{"standards":[{"id":"charter-ietf-webbotauth","title":"Web Bot Auth (webbotauth) Working Group Charter","body":"ietf","track":"wg-charter","url":"https://datatracker.ietf.org/doc/charter-ietf-webbotauth/","authors":[{"name":"Rifaat Shekh-Yusef","affiliation":"chair"},{"name":"David Schinazi","affiliation":"chair"},{"name":"Mike Bishop","affiliation":"responsible AD"}],"first_published":"2025-09-23","latest_version":"01","latest_version_date":"2025-10-23","expires":null,"status":"active","scope":["authentication","identity"],"mechanisms":["http-message-signatures"],"wellknown_paths":[],"artifact_names":[],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-ietf-webbotauth-httpsig-protocol","draft-meunier-webbotauth-registry","draft-singh-webbotauth-hosted-directories","charter-ietf-aipref"],"notes":"IESG approved 2025-10-23 (charter-ietf-webbotauth-01). Milestones (all still 'active', none met as of 2026-09-06): 2026-04-30 standards-track authentication technique(s) to IESG; 2026-04-30 standards-track mechanism conveying additional bot information via an existing identifier (domain/hostname/URL) to IESG; 2026-08-31 BCP operational specification to IESG. Out of scope: agent-to-agent/API authentication, end-user authentication, bot intent vocabulary, reputation. First WG document adopted 2026-09-01 (draft-ietf-webbotauth-httpsig-protocol-00). Liaises with AIPREF, HTTPBIS, OAUTH, TLS, WIMSE."},{"id":"charter-ietf-aipref","title":"AI Preferences (aipref) Working Group Charter","body":"ietf","track":"wg-charter","url":"https://datatracker.ietf.org/doc/charter-ietf-aipref/","authors":[{"name":"Suresh Krishnan","affiliation":"chair"},{"name":"Mark Nottingham","affiliation":"chair"},{"name":"Mike Bishop","affiliation":"responsible AD"}],"first_published":"2024-12-05","latest_version":"01","latest_version_date":"2025-01-07","expires":null,"status":"active","scope":["policy"],"mechanisms":["robots-txt-extension"],"wellknown_paths":["/robots.txt"],"artifact_names":[],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-ietf-aipref-vocab","draft-ietf-aipref-attach","charter-ietf-webbotauth"],"notes":"IESG approved 2025-01-07. Deliverables: vocabulary for AI-usage preferences; attachment mechanisms in IETF protocols/formats (explicitly Robots Exclusion Protocol RFC 9309 and HTTP header fields); reconciliation of multiple preference expressions. Both milestones due 2026-08-31 are still open (draft-ietf-aipref-vocab, draft-ietf-aipref-attach). Out of scope: enforcement, client/crawler authentication, registries of preferences, auditing."},{"id":"charter-ietf-dawn","title":"Discovery of Agents With Names (DAWN) Working Group Charter (proposed)","body":"ietf","track":"wg-charter","url":"https://datatracker.ietf.org/doc/charter-ietf-dawn/","authors":[{"name":"Adrian Farrel","affiliation":"chair"},{"name":"Wes Hardaker","affiliation":"chair"},{"name":"Éric Vyncke","affiliation":"responsible AD"}],"first_published":"2026-08-28","latest_version":"00-05","latest_version_date":"2026-09-03","expires":null,"status":"active","scope":["discovery","naming"],"mechanisms":["dns-txt","dns-srv"],"wellknown_paths":[],"artifact_names":["Minimum Discoverable Information (MDI)"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-akhavain-moussa-dawn-problem-statement","draft-farrel-dawn-terminology","draft-cui-dawn-mdi-model","draft-jimenez-dawn-discovery-landscape","draft-moussa-dawn-gap-analysis","draft-seethiraju-dawn-dan","draft-nemethi-dawn-aid","draft-jakab-dawn-agent-discovery-mdns","draft-yao-dawn-agent-discovery-architect","draft-zhang-dawn-agent-discovery-framework"],"notes":"Proposed WG (group state 'proposed'; charter state 'Start Chartering / Internal Review' with IESG ballot open 2026-08-28..2026-09-03; blocks from Danyliw, Talaulikar, Jensen partly cleared by -00-05). Scope: 'find me an agent resource' within a local network, an organisation, or between cooperating organisations; WG will consider mDNS and DNS as base mechanisms and specify the minimum discovery information (type, reachability, protocol, services). Out of scope: capability exchange beyond MDI, Internet-wide indexing, identity management, trust evaluation. Charter milestones: 2027-04-30 terminology (optional), 2027-06-30 use cases (optional), 2027-12-31 protocol spec, 2028-01-31 architecture (optional). The DAWN mailing list has ~14 individual drafts using the 'dawn' name token (see related)."},{"id":"draft-meunier-web-bot-auth-architecture","title":"HTTP Message Signatures for automated traffic Architecture","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-meunier-web-bot-auth-architecture/","authors":[{"name":"Thibault Meunier","affiliation":"Cloudflare"},{"name":"Sandor Major","affiliation":"Google"}],"first_published":"2025-04-15","latest_version":"05","latest_version_date":"2026-03-02","expires":"2026-09-03","status":"replaced","scope":["authentication","identity"],"mechanisms":["http-message-signatures","jwks"],"wellknown_paths":[],"artifact_names":["Signature-Agent header field"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-meunier-http-message-signatures-directory","draft-ietf-webbotauth-httpsig-protocol"],"notes":"Replaced 2026-06-26 by draft-meunier-webbotauth-httpsig-protocol (which merged architecture + directory), itself replaced by the WG document draft-ietf-webbotauth-httpsig-protocol on 2026-09-01. Revision history: -00 2025-04-15, -01 2025-05-07, -02 2025-06-19, -03 2025-08-29, -04 2025-10-20, -05 2026-03-02."},{"id":"draft-meunier-http-message-signatures-directory","title":"HTTP Message Signatures Directory","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-meunier-http-message-signatures-directory/","authors":[{"name":"Thibault Meunier","affiliation":"Cloudflare"},{"name":"Sandor Major","affiliation":"Google"}],"first_published":"2025-04-15","latest_version":"05","latest_version_date":"2026-03-02","expires":"2026-09-03","status":"replaced","scope":["authentication","identity"],"mechanisms":["well-known-path","jwks","http-message-signatures"],"wellknown_paths":["/.well-known/http-message-signatures-directory"],"artifact_names":["HTTP Message Signatures Directory (JWKS)"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-meunier-web-bot-auth-architecture","draft-ietf-webbotauth-httpsig-protocol","draft-meunier-webbotauth-registry"],"notes":"Defines the JWKS-based key directory at /.well-known/http-message-signatures-directory plus in-band key discovery (Signature-Agent). Replaced 2026-06-26 by draft-meunier-webbotauth-httpsig-directory-00 (one revision), which was then folded into draft-meunier-webbotauth-httpsig-protocol and the WG document. Also referenced (with a .crt variant and /.well-known/http-message-signature-chain/) for certificate-chain publication in -05."},{"id":"draft-ietf-webbotauth-httpsig-protocol","title":"HTTP Message Signatures for automated traffic","body":"ietf","track":"wg-draft","url":"https://datatracker.ietf.org/doc/draft-ietf-webbotauth-httpsig-protocol/","authors":[{"name":"Thibault Meunier","affiliation":"Cloudflare"},{"name":"Sandor Major","affiliation":"Google"}],"first_published":"2026-06-26","latest_version":"00","latest_version_date":"2026-09-01","expires":"2027-03-05","status":"adopted","scope":["authentication","identity"],"mechanisms":["http-message-signatures","well-known-path","jwks"],"wellknown_paths":["/.well-known/http-message-signatures-directory"],"artifact_names":["Signature-Agent header field","HTTP Message Signatures Directory (JWKS)"],"defines_registry":false,"liveness_or_uptime":true,"related":["draft-meunier-web-bot-auth-architecture","draft-meunier-http-message-signatures-directory","draft-meunier-webbotauth-registry","charter-ietf-webbotauth"],"notes":"WG -00 approved 2026-09-01; replaces draft-meunier-webbotauth-httpsig-protocol (-00 2026-06-26, -01 2026-08-06, -02 2026-08-18), which had merged the architecture and directory drafts. first_published is the -00 of the replaced individual draft. Liveness flag refers only to verifier guidance on key-directory availability, bounded directory fetches and stale-cache handling (Appendix C.2/C.3/C.8), not to probing bots. Registers the well-known URI with IANA; no registry of bots is defined."},{"id":"draft-meunier-webbotauth-registry","title":"Registry and Signature Agent card for Web bot auth","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-meunier-webbotauth-registry/","authors":[{"name":"Maxime Guerreiro","affiliation":"Cloudflare"},{"name":"Ulas Kirazci","affiliation":"Amazon"},{"name":"Thibault Meunier","affiliation":"Cloudflare"}],"first_published":"2025-09-05","latest_version":"03","latest_version_date":"2026-06-26","expires":"2026-12-28","status":"active","scope":["identity","registry"],"mechanisms":["well-known-path","jwks","http-message-signatures","registry-api"],"wellknown_paths":["/.well-known/signature-agent-card","/.well-known/http-message-signatures-directory"],"artifact_names":["Signature Agent Card","Registry (list of Signature Agent Card URLs)"],"defines_registry":true,"liveness_or_uptime":false,"related":["draft-ietf-webbotauth-httpsig-protocol","draft-meunier-http-message-signatures-directory","charter-ietf-webbotauth","draft-singh-webbotauth-hosted-directories"],"notes":"Signature Agent Card = JSON metadata (identity, purpose, rate expectations, keys) whose parameters are drawn from the OAuth Dynamic Client Registration metadata registry (same namespace as OAuth Client ID Metadata Documents), extended with a web_bot_auth object; jwks_uri points at the httpsig directory. A 'registry' is defined as a list of card URLs (https: or data: entries) served with cache freshness directives. Candidate for the WG's second milestone ('additional information about bots'), not yet adopted. Revisions: -00 2025-09-05, -01 2025-10-20, -02 2026-05-26, -03 2026-06-26."},{"id":"draft-singh-webbotauth-hosted-directories","title":"Hosted Key Directories for Web Bot Auth","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-singh-webbotauth-hosted-directories/","authors":[{"name":"Shivdeep Singh","affiliation":"Airlock Protocol"}],"first_published":"2026-07-19","latest_version":"00","latest_version_date":"2026-07-19","expires":"2027-01-20","status":"active","scope":["authentication","identity","registry"],"mechanisms":["http-message-signatures","jwks","well-known-path"],"wellknown_paths":[],"artifact_names":["Hosted key directory","Tenant assertion"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-ietf-webbotauth-httpsig-protocol","draft-meunier-webbotauth-registry"],"notes":"Multi-tenant key directories for small agent operators. Recommends cache lifetimes on the order of minutes (default 300 s) so revocation propagates, and that hosted directories 'SHOULD publish availability information' since directory outage denies access to every tenant. Liveness refers to the directory service, not the agents."},{"id":"draft-ietf-aipref-vocab","title":"A Vocabulary For Expressing AI Usage Preferences","body":"ietf","track":"wg-draft","url":"https://datatracker.ietf.org/doc/draft-ietf-aipref-vocab/","authors":[{"name":"Paul Keller","affiliation":"Open Future"},{"name":"Martin Thomson","affiliation":"Mozilla"}],"first_published":"2025-05-01","latest_version":"07","latest_version_date":"2026-08-19","expires":"2027-02-20","status":"adopted","scope":["policy"],"mechanisms":[],"wellknown_paths":[],"artifact_names":["AI usage preference vocabulary (usage categories)"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-ietf-aipref-attach","charter-ietf-aipref"],"notes":"Replaces draft-keller-aipref-vocab. Vocabulary of usage categories and allow/deny preferences, independent of attachment. Revisions -00 2025-05-01 through -07 2026-08-19. Milestone due 2026-08-31 (to IESG) not yet met."},{"id":"draft-ietf-aipref-attach","title":"Associating AI Usage Preferences with Content in HTTP","body":"ietf","track":"wg-draft","url":"https://datatracker.ietf.org/doc/draft-ietf-aipref-attach/","authors":[{"name":"Gary Illyes","affiliation":"Google"},{"name":"Martin Thomson","affiliation":"Mozilla"}],"first_published":"2025-06-16","latest_version":"05","latest_version_date":"2026-08-19","expires":"2027-02-20","status":"adopted","scope":["policy"],"mechanisms":["robots-txt-extension"],"wellknown_paths":["/robots.txt"],"artifact_names":["Content-Usage HTTP header field","Content-Usage robots.txt rule"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-ietf-aipref-vocab","charter-ietf-aipref","draft-srijal-agents-policy","draft-car-agents-txt-wellknown"],"notes":"Replaces draft-it-aipref-attachment. Defines attachment via the Robots Exclusion Protocol (updates RFC 9309) and via HTTP response header fields. Path listed is robots.txt, not an RFC 8615 well-known URI."},{"id":"draft-cui-ai-agent-discovery-invocation","title":"AI Agent Discovery and Invocation Protocol","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-cui-ai-agent-discovery-invocation/","authors":[{"name":"Yong Cui","affiliation":"Tsinghua University"},{"name":"Yihan Chao","affiliation":"Zhongguancun Laboratory"},{"name":"Chenguang Du","affiliation":"Zhongguancun Laboratory"}],"first_published":"2025-10-15","latest_version":"02","latest_version_date":"2026-07-06","expires":"2027-01-07","status":"active","scope":["discovery","invocation","registry"],"mechanisms":["registry-api","did","openapi"],"wellknown_paths":[],"artifact_names":["Agent Metadata"],"defines_registry":true,"liveness_or_uptime":false,"related":["draft-cui-dawn-mdi-model","draft-xu-efficient-agent-discovery-profile","draft-mozley-aidiscovery"],"notes":"Common JSON metadata format (capabilities, I/O, languages, tags, auth), capability-based discovery via a registry, unified RESTful invocation. Metadata carries a self-declared 'status' (active/deprecated) that 'the registry may use to filter out agents that are not currently available'; no verification of liveness. Revisions -00 2025-10-15, -01 2026-02-12, -02 2026-07-06."},{"id":"draft-mozley-aidiscovery","title":"AI Agent Discovery (AID) Problem Statement","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-mozley-aidiscovery/","authors":[{"name":"Jim Mozley","affiliation":"Infoblox, Inc."},{"name":"Nic Williams","affiliation":"Infoblox, Inc."},{"name":"Behcet Sarikaya","affiliation":"Unaffiliated"},{"name":"Roland Schott","affiliation":"Deutsche Telekom"}],"first_published":"2025-10-15","latest_version":"01","latest_version_date":"2026-04-16","expires":"2026-10-18","status":"active","scope":["discovery"],"mechanisms":[],"wellknown_paths":[],"artifact_names":[],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-akhavain-moussa-dawn-problem-statement","draft-farrel-dawn-terminology","draft-cui-ai-agent-discovery-invocation"],"notes":"Problem statement: scope, requirements and considerations for agent-to-agent discovery without manual configuration. Requires discovery protocols to provide 'high availability' and acknowledges NAT/reachability issues; says nothing about verifying that discovered agents are alive. Predates and feeds the DAWN effort (two authors also on draft-farrel-dawn-terminology)."},{"id":"draft-vandemeent-ains-discovery","title":"AINS: AInternet Name Service - Agent Discovery and Trust Resolution Protocol","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-vandemeent-ains-discovery/","authors":[{"name":"Jasper van de Meent","affiliation":"Humotica"},{"name":"Root AI","affiliation":"Humotica"}],"first_published":"2026-03-29","latest_version":"01","latest_version_date":"2026-03-29","expires":"2026-09-30","status":"active","scope":["discovery","identity","naming","registry"],"mechanisms":["well-known-path","registry-api","federation","did","dns-txt"],"wellknown_paths":["/.well-known/ains/"],"artifact_names":["AINS record"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-nemethi-aid-agent-identity-discovery","draft-narajala-courtney-ansv2"],"notes":"Transport-independent namespace + record format (identity, capabilities, trust metadata) + resolution protocol with federated registries. Records carry birth_timestamp and heartbeat_count; evidence has timestamps/expiry and 'stale evidence SHOULD be weighted less'. Second author is literally listed as 'Root AI' on the datatracker. -00 and -01 both 2026-03-29; expires 2026-09-30 unless refreshed."},{"id":"draft-xu-efficient-agent-discovery-profile","title":"Metadata and Query Profile for Efficient Agent Discovery","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-xu-efficient-agent-discovery-profile/","authors":[{"name":"Jinliang Xu (许金良)","affiliation":"CAICT"},{"name":"Bingqi Li","affiliation":"CAICT"},{"name":"Runkai Zhu","affiliation":"CAICT"}],"first_published":"2026-05-18","latest_version":"00","latest_version_date":"2026-05-18","expires":"2026-11-19","status":"active","scope":["discovery","registry"],"mechanisms":["registry-api","semantic-search","federation","openapi"],"wellknown_paths":[],"artifact_names":["Agent capability metadata","Discovery request","Discovery response"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-cui-ai-agent-discovery-invocation","draft-cui-dawn-mdi-model"],"notes":"Publishing profile: tags, NL descriptions, example tasks, protocol bindings, operational constraints; ranking by intent match. Records have expires_at; services 'SHOULD stop returning the record after that time', 'SHOULD expose when a result was indexed', reject stale updates by sequence/timestamp. Freshness only, no active probing."},{"id":"draft-nemethi-aid-agent-identity-discovery","title":"Agent Identity and Discovery (AID)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-nemethi-aid-agent-identity-discovery/","authors":[{"name":"Balazs Nemethi","affiliation":"Open Agent Registry, Inc."}],"first_published":"2026-03-16","latest_version":"00","latest_version_date":"2026-03-16","expires":"2026-09-17","status":"active","scope":["discovery","identity","naming"],"mechanisms":["dns-txt","well-known-path","http-message-signatures"],"wellknown_paths":["/.well-known/agent"],"artifact_names":["AID record (aid v1.2)"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-nemethi-dawn-aid","draft-seethiraju-dawn-dan","draft-pro-adp-agent-discovery"],"notes":"DNS-first: TXT record at _agent.<domain> gives endpoint URI, protocol token (mcp, a2a, ...), auth hint; /.well-known/agent is the HTTPS fallback; PKA endpoint proof uses Ed25519 HTTP Message Signatures. Superseded in practice by draft-nemethi-dawn-aid (AID v2, 2026-09-02), which is not formally marked as replacing it. Expires 2026-09-17."},{"id":"draft-nemethi-dawn-aid","title":"Agent Identity and Discovery (AID) v2","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-nemethi-dawn-aid/","authors":[{"name":"Balazs Nemethi","affiliation":"Open Agent Registry, Inc."}],"first_published":"2026-09-02","latest_version":"00","latest_version_date":"2026-09-02","expires":"2027-03-06","status":"active","scope":["discovery","identity","naming"],"mechanisms":["dns-txt","well-known-path","http-message-signatures","jwks"],"wellknown_paths":["/.well-known/agent"],"artifact_names":["AID record (aid2)"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-nemethi-aid-agent-identity-discovery","charter-ietf-dawn"],"notes":"Re-submission of AID targeting the DAWN WG: 'given a domain, where is the agent and which protocol should a client speak?'. Same _agent.<domain> TXT record, aid2 record format, well-known fallback with a 'disable' flag, DNSSEC require mode. No registry, no liveness."},{"id":"draft-daniel-ai-agent-internet-architecture","title":"Architectural Requirements for Supporting AI Agents on the Internet","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-daniel-ai-agent-internet-architecture/","authors":[{"name":"Soohong Daniel Park","affiliation":"Samsung Electronics"},{"name":"Imran Siddique","affiliation":"Opaque"}],"first_published":"2026-08-13","latest_version":"03","latest_version_date":"2026-08-29","expires":"2027-03-02","status":"active","scope":["discovery","identity","invocation","authentication"],"mechanisms":["http-message-signatures"],"wellknown_paths":[],"artifact_names":[],"defines_registry":false,"liveness_or_uptime":true,"related":["charter-ietf-dawn","charter-ietf-webbotauth"],"notes":"Requirements/architecture document (no protocol): task lifetime vs transaction vs transport lifetime; 'the architecture should distinguish transport liveness from task liveness'. Liveness here is about long-running agent tasks over HTTP/QUIC, not about verifying discovered endpoints. Four revisions in 17 days (-00 2026-08-13, -01/-02 2026-08-28, -03 2026-08-29)."},{"id":"draft-srijal-agents-policy","title":"AGENTS.TXT: Strict Policy File for Automated Clients","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-srijal-agents-policy/","authors":[{"name":"Srijal Dutta","affiliation":"Independent"}],"first_published":"2025-10-07","latest_version":"00","latest_version_date":"2025-10-07","expires":"2026-04-10","status":"expired","scope":["policy"],"mechanisms":["robots-txt-extension"],"wellknown_paths":["/agents.txt"],"artifact_names":["agents.txt"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-car-agents-txt-wellknown","draft-ietf-aipref-attach","llms-txt"],"notes":"Expired 2026-04-10. Plaintext policy file at the site root /agents.txt (not under /.well-known/) with directives, a top-line hash, and fail-closed handling of malformed files. Same file name, different semantics from draft-car-agents-txt-wellknown."},{"id":"draft-car-agents-txt-wellknown","title":"AGENTS.TXT: Capability Declarations for Web Agents","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-car-agents-txt-wellknown/","authors":[{"name":"Kayla Cardillo","affiliation":"Independent"}],"first_published":"2026-06-12","latest_version":"00","latest_version_date":"2026-06-12","expires":"2026-12-14","status":"active","scope":["policy","discovery"],"mechanisms":["well-known-path","openapi"],"wellknown_paths":["/.well-known/agents.txt","/.well-known/agents.json"],"artifact_names":["agents.txt","agents.json"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-srijal-agents-policy","a2a-agent-card","mcp-server-cards","draft-ietf-aipref-attach"],"notes":"Requests IANA registration of two well-known URIs. Positive capability declaration (which endpoints are sanctioned for agents; protocols REST/MCP/A2A/GraphQL/WebSocket; auth). References /.well-known/agent-card.json (A2A) and /.well-known/mcp/server-card.json as pointers. Caching guidance via TTL only."},{"id":"draft-pioli-agent-discovery","title":"Agent Registration and Discovery Protocol (ARDP)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-pioli-agent-discovery/","authors":[{"name":"Roberto Pioli","affiliation":"Independent"}],"first_published":"2026-02-03","latest_version":"01","latest_version_date":"2026-02-24","expires":"2026-08-28","status":"expired","scope":["discovery","registry","identity"],"mechanisms":["well-known-path","registry-api","federation","jwks"],"wellknown_paths":["/.well-known/ardp/register","/.well-known/ardp/deregister","/.well-known/ardp/resolve","/.well-known/ardp/query","/.well-known/ardp/meta","/.well-known/ardp/nonce"],"artifact_names":["ARDP registration","Capability document"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-mp-agntcy-ads","draft-jimenez-agent-directory"],"notes":"Expired 2026-08-28. Datatracker lists the sole author as Independent — this is NOT a Cisco/AGNTCY draft; the Cisco/AGNTCY directory draft is draft-mp-agntcy-ads. ARDP: stable agent identities, dynamic endpoint resolution, protocol selection among MCP/A2A/HTTP/gRPC, 'minimal privacy-aware presence signaling'; registrations are soft-state with TTL and MUST be refreshed before expiry."},{"id":"draft-mp-agntcy-ads","title":"Agent Directory Service","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-mp-agntcy-ads/","authors":[{"name":"Luca Muscariello","affiliation":"Cisco"},{"name":"Ramiz Polic","affiliation":"Cisco"}],"first_published":"2025-10-17","latest_version":"02","latest_version_date":"2026-07-06","expires":"2027-01-07","status":"active","scope":["discovery","registry"],"mechanisms":["oci-artifact","ipfs-dht","federation","registry-api"],"wellknown_paths":["/.well-known/ai-catalog.json"],"artifact_names":["Directory record (OASF)"],"defines_registry":true,"liveness_or_uptime":false,"related":["agntcy-agent-directory","agntcy-oasf","lf-ai-catalog","draft-pioli-agent-discovery"],"notes":"IETF write-up of the AGNTCY Agent Directory: content-addressed OASF records stored as OCI artifacts, interconnected via a content-routing protocol (Kademlia-style DHT), two-level skill/content mapping. /.well-known/ai-catalog.json is referenced as an ingestion source, not defined here. Discusses replication for record availability; nothing on agent endpoint liveness. Revisions -00 2025-10-17, -01 2026-02-24, -02 2026-07-06."},{"id":"draft-jimenez-t2trg-iot-agent","title":"Agentic AI Operation of Constrained RESTful Environments","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-jimenez-t2trg-iot-agent/","authors":[{"name":"Jaime Jimenez","affiliation":"Ericsson"}],"first_published":"2026-04-14","latest_version":"01","latest_version_date":"2026-07-03","expires":"2027-01-04","status":"active","scope":["discovery","invocation"],"mechanisms":["well-known-path"],"wellknown_paths":["/.well-known/core"],"artifact_names":["Normalized bookmark entry"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-jimenez-agent-directory","draft-jimenez-dawn-discovery-landscape"],"notes":"LLM agents discovering and operating CoAP devices via the existing CoRE link format at /.well-known/core (RFC 6690) and SDF models; hypermedia-driven, no new discovery mechanism. IRTF T2TRG target."},{"id":"draft-jimenez-agent-directory","title":"Agent Directory","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-jimenez-agent-directory/","authors":[{"name":"Jaime Jimenez","affiliation":"Ericsson"}],"first_published":"2026-05-07","latest_version":"01","latest_version_date":"2026-05-08","expires":"2026-11-09","status":"active","scope":["discovery","registry"],"mechanisms":["well-known-path","registry-api","dns-srv","federation"],"wellknown_paths":["/.well-known/ad"],"artifact_names":["AD registration","Agent description"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-zhang-dawn-agent-discovery-framework","draft-pioli-agent-discovery","draft-jimenez-dawn-discovery-landscape"],"notes":"Adapts the CoRE Resource Directory (RFC 9176) to software agents over HTTP/JSON: registration, capability lookup, soft-state lifecycle (lifetime 'lt' parameter; registrations MUST be refreshed before expiry). Directory discovered via /.well-known/ad or DNS-SD _ad._tcp. Complements MCP/A2A rather than replacing their cards."},{"id":"draft-jimenez-dawn-discovery-landscape","title":"A Survey of AI Agent Discovery Mechanisms","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-jimenez-dawn-discovery-landscape/","authors":[{"name":"Jaime Jimenez","affiliation":"Ericsson"},{"name":"Jim Feng","affiliation":"Ericsson"},{"name":"Jari Arkko","affiliation":"Ericsson"},{"name":"Mirja Kühlewind","affiliation":"Ericsson"},{"name":"Rajat Kandoi","affiliation":"Ericsson"}],"first_published":"2026-07-03","latest_version":"00","latest_version_date":"2026-07-03","expires":"2027-01-04","status":"active","scope":["discovery"],"mechanisms":[],"wellknown_paths":[],"artifact_names":[],"defines_registry":false,"liveness_or_uptime":false,"related":["charter-ietf-dawn","draft-moussa-dawn-gap-analysis","a2a-agent-card","mcp-registry","lf-ai-catalog","agntcy-agent-directory","nanda-agentfacts"],"notes":"Survey, not a proposal. Compares IETF, AAIF (A2A/MCP), 3GPP and open-source mechanisms by discovery model, scope, dynamism, cross-domain reach and semantic capability. Enumerates paths in use: /.well-known/agent-card.json, /.well-known/agent-descriptions (ANP), /.well-known/ad, /.well-known/api-catalog (RFC 9727), /.well-known/agent-discovery.json, /.well-known/oauth-protected-resource; notes MCP Registry validates namespace ownership via GitHub/DNS/HTTP and that ADSP 'does not define soft-state lifetimes'."},{"id":"draft-akhavain-moussa-dawn-problem-statement","title":"Problem Statement for the Discovery of Agents, Workloads, and Named Entities (DAWN)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-akhavain-moussa-dawn-problem-statement/","authors":[{"name":"Arashmid Akhavain","affiliation":"Huawei Technologies Canada"},{"name":"Hesham Moussa","affiliation":"Huawei Technologies Canada"},{"name":"Daniel King","affiliation":"Old Dog Consulting"}],"first_published":"2026-04-11","latest_version":"05","latest_version_date":"2026-07-19","expires":"2027-01-20","status":"active","scope":["discovery"],"mechanisms":[],"wellknown_paths":[],"artifact_names":["Discoverable object","Task card"],"defines_registry":false,"liveness_or_uptime":false,"related":["charter-ietf-dawn","draft-farrel-dawn-terminology","draft-moussa-dawn-gap-analysis","draft-mozley-aidiscovery"],"notes":"Foundational DAWN problem statement (six revisions Apr-Jul 2026). Introduces entity registration into a 'discovery substrate' and the discoverable object carrying minimum discoverable information; notes entities 'might not be available at the time of request' but defines no verification."},{"id":"draft-farrel-dawn-terminology","title":"Terminology for the Discovery of Agents, Workloads, and Named Entities (DAWN)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-farrel-dawn-terminology/","authors":[{"name":"Adrian Farrel","affiliation":"Old Dog Consulting"},{"name":"Kehan Yao","affiliation":"China Mobile"},{"name":"Roland Schott","affiliation":"Deutsche Telekom"},{"name":"Nic Williams","affiliation":"Infoblox"}],"first_published":"2026-04-15","latest_version":"04","latest_version_date":"2026-07-26","expires":"2027-01-27","status":"active","scope":["discovery"],"mechanisms":[],"wellknown_paths":[],"artifact_names":["Minimum Discoverable Information (MDI)"],"defines_registry":false,"liveness_or_uptime":false,"related":["charter-ietf-dawn","draft-cui-dawn-mdi-model","draft-akhavain-moussa-dawn-problem-statement"],"notes":"Defines the DAWN vocabulary including MDI; target of the DAWN charter's first (optional) milestone. Lead author is a proposed DAWN chair."},{"id":"draft-cui-dawn-mdi-model","title":"An Information Model for Minimum Discoverable Information (MDI)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-cui-dawn-mdi-model/","authors":[{"name":"Yong Cui","affiliation":"Tsinghua University"}],"first_published":"2026-07-03","latest_version":"00","latest_version_date":"2026-07-03","expires":"2027-01-04","status":"active","scope":["discovery"],"mechanisms":["well-known-path"],"wellknown_paths":["/.well-known/agent.json"],"artifact_names":["MDI (Entity Identifier, Endpoint, Protocol, Freshness, Operational Hint)"],"defines_registry":false,"liveness_or_uptime":true,"related":["draft-farrel-dawn-terminology","draft-cui-ai-agent-discovery-invocation","charter-ietf-dawn"],"notes":"Field-level MDI model: static/mainly-static/dynamic elements; an optional 'Operational Hint' = 'a coarse availability or health class, or a Reference to richer operational state'; discusses how carrier freshness (DNS TTL, HTTP cache lifetime) interacts with the Freshness element. /.well-known/agent.json cited as an example carrier."},{"id":"draft-moussa-dawn-gap-analysis","title":"Gap Analysis and Applicability Statement for Discovery Protocols of Agents, Workloads, and Named Entities (DAWN)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-moussa-dawn-gap-analysis/","authors":[{"name":"Hesham Moussa","affiliation":"Huawei Technologies Canada"},{"name":"Arashmid Akhavain","affiliation":"Huawei Technologies Canada"}],"first_published":"2026-06-10","latest_version":"01","latest_version_date":"2026-06-12","expires":"2026-12-14","status":"active","scope":["discovery"],"mechanisms":[],"wellknown_paths":[],"artifact_names":[],"defines_registry":false,"liveness_or_uptime":true,"related":["charter-ietf-dawn","draft-jimenez-dawn-discovery-landscape","draft-akhavain-moussa-dawn-problem-statement"],"notes":"Maps existing mechanisms (DNS-SD/mDNS, WebFinger, DIDs, DHTs, A2A cards, registries) to DAWN requirements. Names 'operationally stale' discovery as a risk and lists revocation channels (short validity, push notification, status endpoints) as evaluation criteria — analysis only, no mechanism."},{"id":"draft-seethiraju-dawn-dan","title":"DNS-Based Agent Naming (DAN): AIDISCA and AIINDEX Resource Records for AI Agent Discovery","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-seethiraju-dawn-dan/","authors":[{"name":"Ramachandra Rao Seethiraju","affiliation":"Verisign"},{"name":"Sameer Thakar","affiliation":"Verisign"},{"name":"Karthik Shyamsunder","affiliation":"Verisign"},{"name":"Eric Osterweil","affiliation":"Verisign"}],"first_published":"2026-06-05","latest_version":"00","latest_version_date":"2026-06-05","expires":"2026-12-07","status":"active","scope":["discovery","naming"],"mechanisms":["dns-txt"],"wellknown_paths":[],"artifact_names":["AIDISCA resource record","AIINDEX resource record"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-nemethi-dawn-aid","draft-pro-adp-agent-discovery","charter-ietf-dawn"],"notes":"Proposes two NEW DNS RR types (not TXT): AIDISCA (per-agent endpoint/protocol/capability pointer) and AIINDEX (per-zone index of available agents at _agents.<zone>). Bucketed under dns-txt for lack of a generic 'dns-rr' vocabulary term. DNSSEC for integrity; the endpoint 'is not required' to be verified reachable."},{"id":"draft-pro-adp-agent-discovery","title":"Agent Discovery Protocol (ADP) v1.1 -- Well-Known Metadata and Interaction Layer","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-pro-adp-agent-discovery/","authors":[{"name":"Bin Lian","affiliation":"aipair.ai"}],"first_published":"2026-06-09","latest_version":"02","latest_version_date":"2026-06-23","expires":"2026-12-25","status":"active","scope":["discovery","identity","invocation"],"mechanisms":["well-known-path","dns-srv","dns-txt","json-ld","registry-api"],"wellknown_paths":["/.well-known/agent.json"],"artifact_names":["ADP metadata document","Agent Gateway Protocol (AGP) messages"],"defines_registry":false,"liveness_or_uptime":true,"related":["draft-nemethi-aid-agent-identity-discovery","draft-zhao-a2a-dns-sd"],"notes":"Submitted to the Independent Stream (ISE state 'Submission Received' since 2026-07-24). Delegates DNS discovery to 'DNS-AID' SVCB records (_agent._tcp), defines /.well-known/agent.json ('de facto convention pending a well-known registry slot'), Ed25519 identity, and a WebSocket gateway protocol with heartbeat system messages. Metadata has an OPTIONAL 'availability' object for 'status and uptime information'."},{"id":"draft-chandra-agent-registry-corroboration","title":"Multi-Source Corroboration for AI Agent Discovery","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-chandra-agent-registry-corroboration/","authors":[{"name":"Sharath Chandra","affiliation":"Stellarminds.ai"}],"first_published":"2026-07-05","latest_version":"01","latest_version_date":"2026-08-28","expires":"2027-03-01","status":"active","scope":["registry","conformance","discovery"],"mechanisms":["registry-api","did"],"wellknown_paths":[],"artifact_names":["Sweep record","Finding (stale_description, omission, equivocation)"],"defines_registry":false,"liveness_or_uptime":true,"related":["nanda-agentfacts","erc-8004","draft-raskar-agentic-web-federated-resolution"],"notes":"Only draft found whose purpose is auditing discovery sources: periodically sweep registries, name services, DID methods and catalogs, compare served descriptions, and record findings with a single configured staleness window. Detects omission and equivocation; does not itself probe agent endpoints for liveness."},{"id":"draft-drake-agent-identity-registry","title":"Agent Identity Registry System: A Federated Architecture for Hardware-Anchored Identity of Autonomous Entities","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-drake-agent-identity-registry/","authors":[{"name":"Christopher Drake","affiliation":"1id.com"}],"first_published":"2026-04-11","latest_version":"03","latest_version_date":"2026-05-22","expires":"2026-11-23","status":"active","scope":["identity","registry","naming"],"mechanisms":["well-known-path","jwks","federation","verifiable-credentials","dns-srv","http-message-signatures"],"wellknown_paths":["/.well-known/aid-issuer.json","/.well-known/hw-manufacturer-cas.pem","/.well-known/jwks.json","/.well-known/openid-configuration"],"artifact_names":["aid: URN identity","Handle"],"defines_registry":true,"liveness_or_uptime":false,"related":["draft-singla-agent-identity-protocol","w3c-agent-identity-registry-protocol-cg"],"notes":"Federated registry for hardware-anchored (TPM/PIV/enclave) identities in an 'aid' URN namespace, discovered via _airp._tcp.global.aid.arpa SRV. Section 13.7 'Availability and Resilience' covers the registry itself, not agent liveness. Handles, trademark sunrise, dispute process — closer to a domain-name registry model than to discovery."},{"id":"draft-ayoub-agis-agent-identity-system","title":"AgIS: An Agent Identity System for DNS-Backed Verification of AI and Software Agents","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-ayoub-agis-agent-identity-system/","authors":[{"name":"Rizkallah Ayoub","affiliation":"EPICORTEK Technologies Inc."}],"first_published":"2026-06-29","latest_version":"00","latest_version_date":"2026-06-29","expires":"2026-12-31","status":"active","scope":["identity","authentication","discovery"],"mechanisms":["dns-txt","well-known-path","jwks","http-message-signatures"],"wellknown_paths":["/.well-known/agis/id/","/.well-known/agis/agents/{agent}.json","/.well-known/agis/agents/{agent}/jwks.json","/.well-known/agis/agents/{agent}/status.json"],"artifact_names":["Agent Card (AgIS)","Status document","Revocation document"],"defines_registry":false,"liveness_or_uptime":true,"related":["draft-narajala-courtney-ansv2","draft-ietf-webbotauth-httpsig-protocol"],"notes":"Domain-anchored agent identifiers bound via DNS TXT and HTTPS-published Agent Cards; per-agent status.json with conservative TTLs for revocation; signed-request verification with replay protection; five verification levels. Status document is the liveness/revocation signal (publisher-declared)."},{"id":"draft-raskar-agentic-web-federated-resolution","title":"Registry-Assisted Discovery for AI Agents and Workloads Without DNS Discovery Anchors","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-raskar-agentic-web-federated-resolution/","authors":[{"name":"Ramesh Raskar","affiliation":"MIT"},{"name":"Samuel Sharaf","affiliation":"ProjectNanda"},{"name":"Pradyumna Chari","affiliation":"MIT"}],"first_published":"2026-07-19","latest_version":"01","latest_version_date":"2026-07-20","expires":"2027-01-21","status":"active","scope":["discovery","registry","identity"],"mechanisms":["registry-api","federation","well-known-path","did","dns-txt"],"wellknown_paths":["/.well-known/ai-catalog.json","/.well-known/proof.json"],"artifact_names":["Resolution Catalog","Binding (expiresAt, revocationUrl)"],"defines_registry":true,"liveness_or_uptime":true,"related":["nanda-agentfacts","lf-ai-catalog","google-ard","draft-chandra-agent-registry-corroboration"],"notes":"NANDA's IETF submission: registry-assisted resolution for publishers without DNS control, falling back from _index._agents DNS anchors and /.well-known/ai-catalog.json to a configured registry. Bindings carry expiresAt and revocationUrl; implementations MUST distinguish not-found / unverifiable / stale / revoked outcomes. Freshness, not probing."},{"id":"draft-zhao-a2a-dns-sd","title":"DNS-Based Service Discovery for Agent2Agent (A2A) Protocol Agents","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-zhao-a2a-dns-sd/","authors":[{"name":"Changjun Zhao (赵昌峻)","affiliation":null}],"first_published":"2026-08-19","latest_version":"00","latest_version_date":"2026-08-19","expires":"2027-02-20","status":"active","scope":["discovery"],"mechanisms":["dns-srv","dns-txt","well-known-path"],"wellknown_paths":["/.well-known/agent-card.json"],"artifact_names":["_a2a._tcp service instance"],"defines_registry":false,"liveness_or_uptime":false,"related":["a2a-agent-card","draft-jakab-dawn-agent-discovery-mdns","draft-zhao-a2a-webfinger"],"notes":"Profiles DNS-SD over mDNS (_a2a._tcp) for local-network enumeration of A2A agents; TXT keys point to the Agent Card. Datatracker lists no affiliation."},{"id":"draft-zhao-a2a-webfinger","title":"A WebFinger Profile for Agent2Agent (A2A) Agent Identity Resolution","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-zhao-a2a-webfinger/","authors":[{"name":"Changjun Zhao (赵昌峻)","affiliation":null}],"first_published":"2026-08-19","latest_version":"00","latest_version_date":"2026-08-19","expires":"2027-02-20","status":"active","scope":["discovery","naming","identity"],"mechanisms":["well-known-path","federation"],"wellknown_paths":["/.well-known/webfinger","/.well-known/agent-card.json"],"artifact_names":["acct: agent name","WebFinger JRD link to Agent Card"],"defines_registry":false,"liveness_or_uptime":false,"related":["a2a-agent-card","draft-zhao-a2a-dns-sd"],"notes":"Addresses A2A's one-card-per-origin limitation: agent@domain names resolved via RFC 7033 WebFinger to a per-agent Agent Card URL, optionally via a gateway that 'stands for reachability'."},{"id":"draft-jakab-dawn-agent-discovery-mdns","title":"Zero-Configuration Agent Discovery","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-jakab-dawn-agent-discovery-mdns/","authors":[{"name":"Loránd Jakab","affiliation":"Cisco Systems"},{"name":"Frank Brockners","affiliation":"Cisco Systems"}],"first_published":"2026-07-06","latest_version":"00","latest_version_date":"2026-07-06","expires":"2027-01-07","status":"active","scope":["discovery"],"mechanisms":["dns-srv","dns-txt","well-known-path"],"wellknown_paths":["/.well-known/agent-card.json"],"artifact_names":["_agent._tcp service instance"],"defines_registry":false,"liveness_or_uptime":false,"related":["charter-ietf-dawn","draft-zhao-a2a-dns-sd","draft-jimenez-agent-directory"],"notes":"Local-network enumeration via mDNS/DNS-SD (_agent._tcp, also _a2a._tcp and _openclaw-gw._tcp); TXT points at the full card/manifest. mDNS announcements imply presence but the draft defines no verification. Cisco authors, but a DAWN contribution rather than AGNTCY."},{"id":"draft-yao-dawn-agent-discovery-architect","title":"DNS-like Agent Discovery Architecture","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-yao-dawn-agent-discovery-architect/","authors":[{"name":"Jiankang Yao","affiliation":"CNNIC"},{"name":"Guanggang Geng","affiliation":null},{"name":"Meiling Chen","affiliation":"CNNIC"},{"name":"Hongtao Li","affiliation":"CNNIC"}],"first_published":"2026-07-06","latest_version":"00","latest_version_date":"2026-07-06","expires":"2027-01-07","status":"active","scope":["discovery","naming","registry"],"mechanisms":["registry-api","federation","dns-srv"],"wellknown_paths":[],"artifact_names":["Agent Root","Agent Registry","Agent Resolver"],"defines_registry":true,"liveness_or_uptime":false,"related":["charter-ietf-dawn","draft-zhang-dawn-agent-discovery-framework","draft-narajala-courtney-ansv2"],"notes":"Three-tier root/registry/resolver hierarchy for an 'Internet of Agents', explicitly modelled on DNS (_agent-index._tcp, registry suffix domains, sync endpoints 'to guarantee high availability' of registries). Datatracker affiliation for Geng is malformed ('M. Chen'); set to null."},{"id":"draft-zhang-dawn-agent-discovery-framework","title":"A Framework for Agent Discovery in DAWN","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-zhang-dawn-agent-discovery-framework/","authors":[{"name":"Bin Zhang","affiliation":"Pengcheng Laboratory"}],"first_published":"2026-09-05","latest_version":"00","latest_version_date":"2026-09-05","expires":"2027-03-09","status":"active","scope":["discovery","registry"],"mechanisms":["federation","well-known-path","dns-srv","registry-api"],"wellknown_paths":["/.well-known/ad"],"artifact_names":["Federated Agent Directory (FAD)","Federated MDI Record (FMR)"],"defines_registry":true,"liveness_or_uptime":true,"related":["charter-ietf-dawn","draft-jimenez-agent-directory","draft-cui-dawn-mdi-model"],"notes":"Newest DAWN draft (2026-09-05). Federates Agent Directories (reusing /.well-known/ad and soft-state lifetimes) via peering/gossip; defines graceful shutdown, hold-timer/keepalive peer detection, and TTL-based stale-record aging (suggests 300 s). Liveness is at the directory-peer level plus record TTL."},{"id":"draft-nandakumar-agent-sd-jwt","title":"SD Agent: Selective Disclosure for Agent Discovery and Identity Management","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-nandakumar-agent-sd-jwt/","authors":[{"name":"Suhas Nandakumar","affiliation":"Cisco"},{"name":"Cullen Fluffy Jennings","affiliation":"Cisco"}],"first_published":"2025-07-29","latest_version":"02","latest_version_date":"2026-03-02","expires":"2026-09-03","status":"expired","scope":["discovery","identity","registry"],"mechanisms":["well-known-path","verifiable-credentials","registry-api","federation"],"wellknown_paths":["/.well-known/agent.json","/.well-known/openid-configuration"],"artifact_names":["SD-Card (SD-JWT-encoded Agent Card)"],"defines_registry":true,"liveness_or_uptime":false,"related":["a2a-agent-card","draft-mp-agntcy-ads"],"notes":"Expired 2026-09-03. SD-JWT encoding of A2A Agent Cards for privacy-preserving discovery via registries with contextual queries; a discovery query example includes an 'availability: 24/7' attribute but no verification. Uses the older /.well-known/agent.json path."},{"id":"draft-narajala-ans","title":"Agent Name Service (ANS): A Universal Directory for Secure AI Agent Discovery and Interoperability","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-narajala-ans/","authors":[{"name":"Ken Huang","affiliation":"DistributedApps.ai"},{"name":"Vineeth Sai Narajala","affiliation":"Amazon Web Services"},{"name":"Idan Habler","affiliation":"Intuit"},{"name":"Akram Sheriff","affiliation":"Cisco Systems"}],"first_published":"2025-05-16","latest_version":"00","latest_version_date":"2025-05-16","expires":"2025-11-17","status":"replaced","scope":["naming","discovery","identity","registry"],"mechanisms":["registry-api","federation"],"wellknown_paths":[],"artifact_names":["ANSName","Agent registration"],"defines_registry":true,"liveness_or_uptime":false,"related":["owasp-ans","draft-narajala-courtney-ansv2"],"notes":"IETF submission of the OWASP GenAI ANS v1.0 paper (same authors, two days after it). Expired 2025-11-17, then formally replaced 2026-04-13 by draft-narajala-courtney-ansv2. PKI-certificate identity, protocol adapters for A2A/MCP/ACP, centralised registry with RA/CA roles."},{"id":"draft-narajala-courtney-ansv2","title":"Agent Name Service v2 (ANS): A Domain-Anchored Trust Layer for Autonomous AI Agent Identity","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-narajala-courtney-ansv2/","authors":[{"name":"Scott Courtney","affiliation":"GoDaddy"},{"name":"Vineeth Sai Narajala","affiliation":"OWASP"},{"name":"Ken Huang","affiliation":"DistributedApps.ai"},{"name":"Idan Habler","affiliation":"OWASP"},{"name":"Akram Sheriff","affiliation":"Cisco Systems"}],"first_published":"2026-04-13","latest_version":"01","latest_version_date":"2026-04-13","expires":"2026-10-15","status":"active","scope":["naming","identity","discovery","registry","authentication"],"mechanisms":["dns-txt","well-known-path","registry-api","federation","did","openapi"],"wellknown_paths":["/.well-known/ans/trust-card.json","/.well-known/agent-card.json"],"artifact_names":["Trust Card","_ans DNS record","Server Certificate + Agent Certificate"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-narajala-ans","owasp-ans","draft-dimare-ans-protocol-registry","draft-ayoub-agis-agent-identity-system"],"notes":"Replaces draft-narajala-ans. Every agent identity anchored to a DNS domain; Registration Authority verifies ownership via ACME and issues dual certificates; _ans-identity._tls DNS binding; 'p' field enumerates a2a/mcp/http (draft-dimare-ans-protocol-registry proposes an IANA registry for it). Non-functional requirements table demands 99.9% uptime of the RA and identity manager — service SLA, not agent probing. GoDaddy co-authorship links this to the ARD launch partners."},{"id":"draft-dimare-ans-protocol-registry","title":"An IANA Registry for Agent Name Service (ANS) Protocol Identifiers","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-dimare-ans-protocol-registry/","authors":[{"name":"J. DiMare","affiliation":"DNS of Money"}],"first_published":"2026-07-25","latest_version":"00","latest_version_date":"2026-07-25","expires":"2027-01-26","status":"active","scope":["naming","registry"],"mechanisms":["dns-txt"],"wellknown_paths":[],"artifact_names":["ANS Protocol Identifier IANA registry"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-narajala-courtney-ansv2","owasp-ans"],"notes":"Companion to ANS v2: proposes an IANA registry (Expert Review) for the 'p' protocol-identifier field of the _ans DNS record and Trust Card, which ANS v2 only enumerates as a2a / mcp / http. An IANA code-point registry, not an agent registry service."},{"id":"draft-song-anp-ans","title":"Agent Name System (ANS) for the Agent Network Protocol (ANP)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-song-anp-ans/","authors":[{"name":"Jinke Song","affiliation":"Hong Kong University of Science and Technology"},{"name":"Mu Yuan","affiliation":"The Chinese University of Hong Kong"}],"first_published":"2026-03-25","latest_version":"00","latest_version_date":"2026-03-25","expires":"2026-09-26","status":"active","scope":["naming","discovery","registry"],"mechanisms":["ipfs-dht","dns-srv","dns-txt","registry-api","well-known-path"],"wellknown_paths":["/.well-known/agent-card.json"],"artifact_names":["agent:// URI","ANS name record"],"defines_registry":true,"liveness_or_uptime":true,"related":["w3c-ai-agent-protocol-cg","draft-narajala-courtney-ansv2","draft-yao-dawn-agent-discovery-architect"],"notes":"Same 'ANS' acronym as OWASP's Agent Name Service but unrelated: this is the naming layer of the ANP suite, mapping agent:// URIs to cryptographic peer identifiers over a Kademlia-style DHT (41 DHT mentions), with local mDNS (_clawnet._tcp) and records carrying expires_at/TTL and stale handling. Expires 2026-09-26."},{"id":"draft-schemacommons-areg","title":"Agent Registry (AREG)","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-schemacommons-areg/","authors":[{"name":"Observalytics SL","affiliation":"Observalytics SL"}],"first_published":"2026-08-02","latest_version":"00","latest_version_date":"2026-08-02","expires":"2027-02-03","status":"active","scope":["registry","discovery","conformance"],"mechanisms":["registry-api","jwks"],"wellknown_paths":[],"artifact_names":["AREG registry entry"],"defines_registry":true,"liveness_or_uptime":false,"related":["mcp-registry","agntcy-agent-directory"],"notes":"Vendor-neutral registry entry format: where a versioned agent definition can be fetched, who published it, how to verify authenticity; entries carry a 'conformance_level' field. Author is a company name on the datatracker (no individual listed)."},{"id":"draft-singla-agent-identity-protocol","title":"Agent Identity Protocol (AIP): Decentralized Identity and Delegation for AI Agents","body":"ietf","track":"individual-draft","url":"https://datatracker.ietf.org/doc/draft-singla-agent-identity-protocol/","authors":[{"name":"Paras Singla","affiliation":"Independent"}],"first_published":"2026-04-16","latest_version":"03","latest_version_date":"2026-06-10","expires":"2026-12-12","status":"active","scope":["identity","authentication","registry"],"mechanisms":["did","registry-api","jwks","federation","well-known-path"],"wellknown_paths":["/.well-known/oauth-authorization-server","/.well-known/oauth-protected-resource"],"artifact_names":["AIP Registry","Credential Token","CRL","Agent Heartbeat Endpoint"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-drake-agent-identity-registry","w3c-agent-identity-registry-protocol-cg"],"notes":"Very large (150+ pages) DID-based identity/delegation framework with a Registry that publishes CRLs, three revocation-checking tiers (bounded-staleness vs live), and an explicit 'Agent Heartbeat Endpoint' (section 17.12). One of only two drafts found with a heartbeat endpoint for agents (the other being ADP's gateway heartbeat). Note: a different, unrelated 'draft-aip-agent-identity-protocol' (2026-03-16) uses the same AIP acronym."},{"id":"a2a-agent-card","title":"Agent2Agent (A2A) Protocol Specification — Agent Card and Agent Discovery","body":"linux-foundation","track":"spec","url":"https://a2a-protocol.org/latest/specification/","authors":[{"name":"A2A Project (originally Google)","affiliation":"Agentic AI Foundation / Linux Foundation"}],"first_published":"2025-04-09","latest_version":"1.0.1","latest_version_date":"2026-05-28","expires":null,"status":"published","scope":["discovery","invocation","identity"],"mechanisms":["well-known-path","jwks","openapi"],"wellknown_paths":["/.well-known/agent-card.json"],"artifact_names":["AgentCard","AgentSkill","AgentCardSignature (JWS)","Extended Agent Card"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-zhao-a2a-dns-sd","draft-zhao-a2a-webfinger","draft-nandakumar-agent-sd-jwt","lf-ai-catalog","erc-8004","draft-car-agents-txt-wellknown"],"notes":"Repo a2aproject/A2A created 2025-03-25, announced 2025-04-09; v1.0.0 released 2026-03-12, v1.0.1 2026-05-28 (Apache-2.0, 'Copyright 2026 The Linux Foundation'). Spec: 'A2A agents SHOULD publish their agent card at https://{server_domain}/.well-known/agent-card.json' (section 14.3 IANA template); agent-card signing via JWS (8.4); discovery section 8.2 lists well-known URI, curated registries and direct configuration but 'does not prescribe a standard API for curated registries'. Nothing on health/liveness. Earlier 0.2.x versions (2025) used /.well-known/agent.json, which several IETF drafts still cite."},{"id":"google-ard","title":"Agentic Resource Discovery (ARD) Specification","body":"google","track":"spec","url":"https://github.com/ards-project/ard-spec","authors":[{"name":"Junjie Bu","affiliation":"Google"},{"name":"R.V. Guha","affiliation":"Microsoft"},{"name":"Shaun Smith","affiliation":"Hugging Face"}],"first_published":"2026-06-17","latest_version":"0.91","latest_version_date":"2026-08-26","expires":null,"status":"active","scope":["discovery","registry"],"mechanisms":["well-known-path","registry-api","semantic-search","federation","json-ld","ipfs-dht"],"wellknown_paths":["/.well-known/ard.json","/.well-known/ai-catalog.json"],"artifact_names":["ARD entry","ARD manifest","trustManifest"],"defines_registry":true,"liveness_or_uptime":false,"related":["lf-ai-catalog","a2a-agent-card","mcp-server-cards","draft-raskar-agentic-web-federated-resolution","draft-mp-agntcy-ads"],"notes":"Announced on the Google Developers Blog 2026-06-17 with Cisco, Databricks, GitHub, GoDaddy, Hugging Face, Microsoft, Nvidia, Salesforce, ServiceNow, Snowflake; repo created 2026-05-19, Apache-2.0. Body set to 'google' per schema vocabulary although it is multi-vendor and builds on the LF AI Catalog data model. v0.91 (2026-08-26) RENAMED the well-known path: consumers MUST fetch /.well-known/ard.json and honour rel=\"ard\"; /.well-known/ai-catalog.json and rel=\"ai-catalog\" are the 'predecessor' names consumers MAY consult. Registry API: POST /search (NL query, federation modes auto/referrals/none), POST /explore, GET /agents; entries typed by IANA media type (application/a2a-agent-card+json, application/mcp-server-card+json, application/ai-skill+md). Publisher authority = FQDN segment of identifier matched to trustManifest.identity; signature scheme delegated to trustSchema. Explicitly does not address TTL, re-crawl, health or availability."},{"id":"lf-ai-catalog","title":"AI Catalog (Common AI Catalog and Registry Standard)","body":"linux-foundation","track":"spec","url":"https://github.com/Agent-Card/ai-catalog","authors":[{"name":"AI Catalog Working Group","affiliation":"Linux Foundation"}],"first_published":"2025-10-29","latest_version":"1.0","latest_version_date":null,"expires":null,"status":"active","scope":["discovery","registry"],"mechanisms":["well-known-path"],"wellknown_paths":["/.well-known/ai-catalog.json"],"artifact_names":["AI Catalog document (specVersion 1.0)","Catalog entry"],"defines_registry":false,"liveness_or_uptime":false,"related":["google-ard","mcp-server-cards","a2a-agent-card","draft-mp-agntcy-ads","draft-raskar-agentic-web-federated-resolution"],"notes":"Repo Agent-Card/ai-catalog created 2025-10-29; README calls it 'a temporary working repo maintained by the Linux Foundation' pending permanent governance; spec at specification/ai-catalog.md, published at ai-catalog.io; specVersion '1.0'. Typed, nestable JSON container indexing artifacts by media type (application/mcp-server-card+json, application/a2a-agent-card+json, ...) without defining their schemas; entries have updatedAt. Says a companion 'AI Catalog Registry standard' should be defined; no registry API in this repo. No release tags, so latest_version_date is null."},{"id":"agntcy-oasf","title":"Open Agentic Schema Framework (OASF)","body":"linux-foundation","track":"spec","url":"https://github.com/agntcy/oasf","authors":[{"name":"AGNTCY contributors (Outshift by Cisco)","affiliation":"AGNTCY / Linux Foundation"}],"first_published":"2025-02-10","latest_version":"1.1.0","latest_version_date":"2026-07-10","expires":null,"status":"published","scope":["discovery"],"mechanisms":["oci-artifact"],"wellknown_paths":[],"artifact_names":["Record","Agent Record","Skills taxonomy","Domains","Modules"],"defines_registry":false,"liveness_or_uptime":false,"related":["agntcy-agent-directory","draft-mp-agntcy-ads","erc-8004"],"notes":"Schema (protobuf on buf.build/agntcy/oasf plus JSON schema; server at schema.oasf.outshift.com) describing agent capabilities/skills/domains, modelled on OCSF; Apache-2.0. Releases v1.0.1 2026-03-06, v1.1.0 2026-07-10. Records are what the Agent Directory stores as OCI artifacts; ERC-8004 lists 'OASF' as a service endpoint type. No paths, registry or liveness."},{"id":"agntcy-agent-directory","title":"AGNTCY Agent Directory Service (dir)","body":"linux-foundation","track":"spec","url":"https://github.com/agntcy/dir","authors":[{"name":"AGNTCY contributors (Outshift by Cisco)","affiliation":"AGNTCY / Linux Foundation"}],"first_published":"2025-02-10","latest_version":"1.7.0","latest_version_date":"2026-08-18","expires":null,"status":"published","scope":["discovery","registry"],"mechanisms":["oci-artifact","ipfs-dht","federation","registry-api"],"wellknown_paths":[],"artifact_names":["Record (OASF)","Referrer","Signature"],"defines_registry":true,"liveness_or_uptime":false,"related":["draft-mp-agntcy-ads","agntcy-oasf","lf-ai-catalog"],"notes":"Distributed directory: OASF records stored in a Zot OCI registry, content-addressed, announced/routed over a libp2p Kademlia DHT, signed (Sigstore/cosign). Apache-2.0; v1.7.0 released 2026-08-18. The IETF description is draft-mp-agntcy-ads. No health checks or conformance verification of listed agents."},{"id":"mcp-registry","title":"MCP Registry and server.json schema","body":"linux-foundation","track":"spec","url":"https://github.com/modelcontextprotocol/registry","authors":[{"name":"Radoslav Dimitrov","affiliation":"Stacklok (registry WG lead)"},{"name":"Tadas Antanavicius","affiliation":"PulseMCP"},{"name":"Bob Dickinson","affiliation":"TeamSpark"},{"name":"Preeti Dewani","affiliation":"Ravenmail"}],"first_published":"2025-09-08","latest_version":"server.schema 2025-12-11 / registry v1.8.1","latest_version_date":"2026-08-06","expires":null,"status":"published","scope":["registry","discovery"],"mechanisms":["registry-api","dns-txt","well-known-path"],"wellknown_paths":["/.well-known/mcp-registry-auth"],"artifact_names":["server.json","Registry API v0"],"defines_registry":true,"liveness_or_uptime":false,"related":["mcp-server-cards","draft-schemacommons-areg","lf-ai-catalog","draft-jimenez-dawn-discovery-landscape"],"notes":"Preview launched 2025-09-08; API v0.1 freeze 2025-10-24; releases through v1.8.1 (2026-08-06). MCP joined the Agentic AI Foundation (Linux Foundation) in Dec 2025, hence body. server.json: reverse-DNS 'name', description, version, packages and/or remotes, repository, _meta; $schema https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json. Namespace ownership proven via GitHub OAuth/OIDC, an apex DNS TXT record ('v=MCPv1; k=ed25519; p=...') or an HTTP-hosted key at /.well-known/mcp-registry-auth. Listing status values: active / deprecated / deleted (self-managed). No health checks of listed servers."},{"id":"mcp-server-cards","title":"SEP-2127: MCP Server Cards - HTTP Server Discovery","body":"linux-foundation","track":"spec","url":"https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2127","authors":[{"name":"David Soria Parra","affiliation":"Anthropic"},{"name":"Sam Morrow","affiliation":"GitHub"},{"name":"Tadas Antanavicius","affiliation":"PulseMCP"}],"first_published":"2026-01-21","latest_version":"SEP-2127 (Extensions Track, PR open)","latest_version_date":"2026-09-06","expires":null,"status":"active","scope":["discovery"],"mechanisms":["well-known-path"],"wellknown_paths":["/.well-known/ai-catalog.json","/.well-known/mcp/server-card.json","/.well-known/mcp.json"],"artifact_names":["MCP Server Card"],"defines_registry":false,"liveness_or_uptime":false,"related":["mcp-registry","lf-ai-catalog","google-ard","draft-car-agents-txt-wellknown"],"notes":"PR #2127 opened 2026-01-21, still open (unmerged) as of 2026-09-06 although the SEP text in the PR carries 'Status: Final' and names a Server Card Working Group; normative wire format lives in the experimental-ext-server-card repo. Current text: cards 'can be hosted at any unreserved URI, with <streamable-http-url>/server-card reserved as the recommended location', and domain-level discovery goes through /.well-known/ai-catalog.json — i.e. the dedicated MCP well-known paths from the earlier SEP-1649 (/.well-known/mcp/server-card.json) and community usage (/.well-known/mcp.json, as profiled by draft-soden-wellknown-mcp-commerce) are legacy. All three listed so overlap can be computed; only ai-catalog.json is in the current SEP text. Tools/resources deliberately excluded from the card ('a static document cannot reliably represent this surface')."},{"id":"nanda-agentfacts","title":"NANDA Index and Verified AgentFacts (Beyond DNS: Unlocking the Internet of AI Agents)","body":"mit","track":"spec","url":"https://github.com/aidecentralized/NANDA-Quilt-of-Registries-and-Verified-AgentFacts","authors":[{"name":"Ramesh Raskar","affiliation":"MIT Media Lab"},{"name":"Pradyumna Chari","affiliation":"MIT"},{"name":"John Zinky","affiliation":"MIT / Project NANDA"},{"name":"Mahesh Lambe","affiliation":"Project NANDA"}],"first_published":"2025-06-08","latest_version":"v0.3 (arXiv 2507.14263v1)","latest_version_date":"2025-07-18","expires":null,"status":"active","scope":["discovery","identity","registry","naming"],"mechanisms":["json-ld","verifiable-credentials","did","registry-api","federation"],"wellknown_paths":[],"artifact_names":["AgentFacts","AgentAddr (facts_url, private_facts_url, adaptive_router_url, ttl)","NANDA Index","Quilt of registries"],"defines_registry":true,"liveness_or_uptime":true,"related":["draft-raskar-agentic-web-federated-resolution","draft-chandra-agent-registry-corroboration","erc-8004"],"notes":"Repo v0.3 created 2025-06-08; paper submitted to arXiv 2025-07-18 (18 authors incl. Harvard, CMU, Akamai, TCS, Dell, HCL, Cisco). Lean index (<=120 B records) resolving to signed JSON-LD AgentFacts (VC v2 attestation, VC status-list revocation). Three-layer TTLs (AgentAddr, AgentFacts, routing metadata 30 s-6 h), TTL-scoped endpoint lists, adaptive resolver with 50-200 ms cache invalidation, sub-second revocation via short-lived credentials — the most explicit freshness/rotation model in the set, but still no third-party probing. The IETF-facing version is draft-raskar-agentic-web-federated-resolution."},{"id":"erc-8004","title":"ERC-8004: Trustless Agents","body":"ethereum","track":"eip","url":"https://eips.ethereum.org/EIPS/eip-8004","authors":[{"name":"Marco De Rossi","affiliation":"MetaMask"},{"name":"Davide Crapis","affiliation":"Ethereum Foundation"},{"name":"Jordan Ellis","affiliation":"Google"},{"name":"Erik Reppel","affiliation":"Coinbase"}],"first_published":"2025-08-13","latest_version":"Draft","latest_version_date":null,"expires":null,"status":"active","scope":["identity","registry","discovery","conformance"],"mechanisms":["onchain","well-known-path","did"],"wellknown_paths":["/.well-known/agent-registration.json"],"artifact_names":["Identity Registry (ERC-721)","Reputation Registry","Validation Registry","Agent registration file (agentURI)"],"defines_registry":true,"liveness_or_uptime":true,"related":["a2a-agent-card","agntcy-oasf","nanda-agentfacts","draft-chandra-agent-registry-corroboration"],"notes":"Status 'Draft' in ethereum/ERCs master as of 2026-09-06 (created 2025-08-13; requires EIP-155/712/721/1271). agentURI resolves to a JSON file with services[] typed web/A2A/MCP/OASF/ENS/DID/email, x402Support, a self-declared 'active' boolean, supportedTrust (reputation, crypto-economic, tee-attestation) and registrations[]. Endpoint domain control proven by publishing /.well-known/agent-registration.json listing agentRegistry+agentId. Validation Registry records validator verdicts (0-100) on agent work (re-execution, zkML, TEE) — conformance of outputs, not endpoint liveness; liveness flag is only the self-declared 'active' field."},{"id":"llms-txt","title":"The /llms.txt file","body":"community","track":"spec","url":"https://llmstxt.org/","authors":[{"name":"Jeremy Howard","affiliation":"Answer.AI"}],"first_published":"2024-09-03","latest_version":"v2","latest_version_date":"2026-08-10","expires":null,"status":"active","scope":["policy","discovery"],"mechanisms":["well-known-path"],"wellknown_paths":["/llms.txt","/llms-full.txt"],"artifact_names":["llms.txt (Markdown)","llms-full.txt",".md page variants"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-srijal-agents-policy","draft-car-agents-txt-wellknown","draft-ietf-aipref-attach","iab-techlab-ai-bot-management-guidance"],"notes":"Root-path convention (not RFC 8615 /.well-known/), bucketed as well-known-path. Repo AnswerDotAI/llms-txt created 2024-09-01; proposal published 2024-09-03; 'v2' revision 2026-08-10. Community proposal, no standards body. Three third-party directories exist (llmstxt.site, directory.llmstxt.cloud, llmstxthub.com) but the spec defines none. No verification or liveness content. Not an IETF draft: no datatracker document contains 'llms' in its name."},{"id":"owasp-ans","title":"Agent Name Service (ANS) for Secure AI Agent Discovery v1.0","body":"owasp","track":"spec","url":"https://genai.owasp.org/resource/agent-name-service-ans-for-secure-al-agent-discovery-v1-0/","authors":[{"name":"Ken Huang","affiliation":"DistributedApps.ai"},{"name":"Vineeth Sai Narajala","affiliation":"Amazon Web Services"},{"name":"Idan Habler","affiliation":"Intuit"},{"name":"Akram Sheriff","affiliation":"Cisco Systems"}],"first_published":"2025-05-14","latest_version":"1.0","latest_version_date":"2025-05-14","expires":null,"status":"published","scope":["naming","discovery","identity","registry"],"mechanisms":["registry-api","openapi"],"wellknown_paths":[],"artifact_names":["ANSName (protocol://capability.provider.version)","Registration Authority","Certificate Authority"],"defines_registry":true,"liveness_or_uptime":false,"related":["draft-narajala-ans","draft-narajala-courtney-ansv2","draft-dimare-ans-protocol-registry"],"notes":"OWASP GenAI Security Project, Agentic Security Initiative; published 2025-05-14. Authors taken from the identical IETF submission draft-narajala-ans (2025-05-16). Centralised registry with PKI (X.509) identity, JSON schemas, protocol adapters (A2A, MCP, ACP), MAESTRO threat model. ANS v2 (2026-04-13, with GoDaddy) moved to DNS-anchored identity and a /.well-known/ans/trust-card.json."},{"id":"iab-techlab-ai-bot-management-guidance","title":"IAB Tech Lab Guidance on AI System Bot and Crawler Management Strategies (public comment draft)","body":"community","track":"spec","url":"https://iabtechlab.com/botmanagement/","authors":[{"name":"IAB Tech Lab","affiliation":"IAB Tech Lab"}],"first_published":"2026-05-27","latest_version":"public comment draft","latest_version_date":"2026-05-27","expires":null,"status":"active","scope":["policy"],"mechanisms":["robots-txt-extension"],"wellknown_paths":[],"artifact_names":[],"defines_registry":false,"liveness_or_uptime":false,"related":["charter-ietf-aipref","charter-ietf-webbotauth","llms-txt"],"notes":"Included as the closest match for the requested 'W3C AI Crawler Guidance Standardization draft (June 2026)': no such document or community group exists on w3.org (checked the W3C community-group blog for March-August 2026 and the CG list; the AI-Driven Web Standards Specification CG, aiwss, is unrelated). The June-2026 item is this IAB Tech Lab guidance, released 2026-05-27 for comment until 2026-06-25, positioned alongside the CoMP API v1; body set to 'community' because the schema has no IAB value. Guidance/decision matrix, not a protocol."},{"id":"w3c-agent-identity-registry-protocol-cg","title":"Agent Identity Registry Protocol Community Group","body":"w3c","track":"cg-charter","url":"https://www.w3.org/community/agent-identity/","authors":[{"name":"Adolfo Grego Micha","affiliation":"chair"}],"first_published":"2026-04-24","latest_version":null,"latest_version_date":null,"expires":null,"status":"active","scope":["identity","registry","authentication"],"mechanisms":["did","verifiable-credentials","registry-api"],"wellknown_paths":[],"artifact_names":[],"defines_registry":true,"liveness_or_uptime":false,"related":["draft-drake-agent-identity-registry","draft-singla-agent-identity-protocol","w3c-semantic-agent-communication-cg"],"notes":"Proposed and launched 2026-04-24; 48 participants; repo w3c-cg/agent-identity created 2026-06-30 (no published report). Planned deliverables: DID method for agent identity, VC-based agent credential format, trust-negotiation protocol, trust levels, integration profiles (MCP, A2A, OAuth/OIDC, SPIFFE), revocation/lifecycle, post-quantum requirements. Coordinates with W3C CCG, DIF, OpenID AIIM, IETF WIMSE. No spec text yet."},{"id":"w3c-semantic-agent-communication-cg","title":"Semantic Agent Communication Community Group","body":"w3c","track":"cg-charter","url":"https://www.w3.org/community/s-agent-comm/","authors":[{"name":"Hsin Yi Chen","affiliation":"chair"}],"first_published":"2025-11-13","latest_version":null,"latest_version_date":null,"expires":null,"status":"active","scope":["identity","conformance","invocation"],"mechanisms":["json-ld","did","verifiable-credentials"],"wellknown_paths":[],"artifact_names":["AI Agent Semantic Communication Ontology (RDF/Turtle, JSON-LD, SHACL)","AgentIDL","SHACL Validation Suite"],"defines_registry":false,"liveness_or_uptime":false,"related":["w3c-agent-identity-registry-protocol-cg","w3c-ai-agent-protocol-cg"],"notes":"Call for participation 2025-11-13; charter (draft, w3c-cg.github.io/s-agent-comm) targets ontology for identity binding, capability disclosure, delegation chains and execution accountability, with 'conformance classes' and SHACL validation. Repo last pushed 2025-12-15. No discovery, registry or well-known content."},{"id":"w3c-agent-conformance-benchmarking-cg","title":"Agent Conformance and Benchmarking Community Group (proposed)","body":"w3c","track":"cg-charter","url":"https://www.w3.org/community/blog/2026/08/25/proposed-group-agent-conformance-and-benchmarking-community-group/","authors":[{"name":"Julian Joseph","affiliation":null}],"first_published":"2026-08-25","latest_version":null,"latest_version_date":null,"expires":null,"status":"active","scope":["conformance"],"mechanisms":[],"wellknown_paths":[],"artifact_names":["Agent readiness rubric","Conformance suites with adversarial fixtures","Benchmark corpora","Reporting format"],"defines_registry":false,"liveness_or_uptime":true,"related":["w3c-ai-agent-memory-interop-cg","draft-chandra-agent-registry-corroboration"],"notes":"Proposed 2026-08-25, 4 of the 5 required supporters as of the proposal page; not yet launched. Mission: reproducible measurement of 'how well web resources and agent systems meet the requirements of autonomous AI agents' — runnable conformance suites, versioned corpora, crosswalks to OWASP ASI, NIST AI RMF, ISO/IEC 42001, EU AI Act. Explicitly out of scope: new identity/protocol specs, certification. Flagged for liveness because it is the only W3C effort whose deliverable is verifying conformance of live resources."},{"id":"w3c-ai-agent-memory-interop-cg","title":"AI Agent Memory Interoperability Community Group","body":"w3c","track":"cg-charter","url":"https://www.w3.org/community/ai-agent-memory-interop/","authors":[{"name":"Russell Jackson","affiliation":"chair / convener"}],"first_published":"2026-05-18","latest_version":"Charter v1.0","latest_version_date":"2026-06-19","expires":null,"status":"active","scope":["conformance","identity"],"mechanisms":[],"wellknown_paths":[],"artifact_names":["Baseline interoperability profile","Conformance and test-vector pack","Regulatory crosswalk pack"],"defines_registry":false,"liveness_or_uptime":false,"related":["w3c-agent-conformance-benchmarking-cg"],"notes":"Proposed 2026-05-18, call for participation 2026-06-03, charter v1.0 adopted 2026-06-19 (posted 2026-07-16). Normative protocol referenced as draft-saihm-memory-protocol (IETF Independent Submission stream), which the CG does not redefine; ML-DSA-65 (FIPS 204) agent identity binding referenced. No discovery/registry content; included because it overlaps on conformance packs and agent identity."},{"id":"w3c-ai-agent-protocol-cg","title":"AI Agent Protocol Community Group (Agent Network Protocol)","body":"w3c","track":"cg-report","url":"https://www.w3.org/community/agentprotocol/","authors":[{"name":"Gaowei Chang","affiliation":"chair"},{"name":"Song Xu","affiliation":"chair"}],"first_published":"2025-05-08","latest_version":"draft reports 2025-08-19","latest_version_date":"2025-08-19","expires":null,"status":"active","scope":["discovery","identity","invocation"],"mechanisms":["did","json-ld","well-known-path"],"wellknown_paths":["/.well-known/agent-descriptions"],"artifact_names":["Agent Description (JSON-LD)","did:wba"],"defines_registry":false,"liveness_or_uptime":false,"related":["draft-song-anp-ans","draft-jimenez-dawn-discovery-landscape","w3c-semantic-agent-communication-cg"],"notes":"Not in the requested list but the largest W3C agent CG (272 participants) and the origin of the /.well-known/agent-descriptions path and did:wba method cited by the DAWN survey. Launched 2025-05-08; ANP white paper 2025-05-23; protocol and use-case drafts last updated 2025-08-19 (github.com/w3c-cg/ai-agent-protocol). The IETF draft-song-anp-ans (2026-03-25, HKUST/CUHK) is the ANP naming layer (agent:// URIs, DHT-based)."}]}