F grade
connect-fail
60 score
1462 ms
0.3.0 version
33.3% uptime over 3 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://marginalia.polycode.co.uk/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-09 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| A2A Registry (a2aregistry.org) | marginalia | A persistent, memory-graph-backed chat agent. Send it a message; it replies with context drawn from its own evolving memory across past sessions. It also keeps | https://marginalia.polycode.co.uk/.well-known/agent-card.jso |
| Agenstry | marginalia | a2a_agent:marginalia.polycode.co.uk |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/228"><img src="https://agentprobe.org/badge/228.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-09 09:16 | connect-fail | 60 | 200 | 1462 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":3,"skills":["chat","recall-memory","research-projects"],"streaming":true,"push_notifications":false,"security_schemes":["apiKey"],"bindings":["JSONRPC","JSONRPC"],"signatures":0}meta {"card_url":"https://marginalia.polycode.co.uk/.well-known/agent-card.json","card":{"name":"marginalia","version":"0.2.0","provider":{"organization":"Polycode Limited","url":"https://polycode.co.uk"},"documentationUrl":"https://marginalia.polycode.co.uk/api/openapi.json"},"missing_fields":[],"endpoint_url":"https://marginalia.polycode.co.uk/api/a2a","binding":"JSONRPC","vantage":"us-east-1"} | card ok; interface connect-fail: WriteError: | |
| 2026-09-08 08:14 | connect-fail | 60 | 200 | 2172 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":3,"skills":["chat","recall-memory","research-projects"],"streaming":true,"push_notifications":false,"security_schemes":["apiKey"],"bindings":["JSONRPC","JSONRPC"],"signatures":0}meta {"card_url":"https://marginalia.polycode.co.uk/.well-known/agent-card.json","card":{"name":"marginalia","version":"0.2.0","provider":{"organization":"Polycode Limited","url":"https://polycode.co.uk"},"documentationUrl":"https://marginalia.polycode.co.uk/api/openapi.json"},"missing_fields":[],"endpoint_url":"https://marginalia.polycode.co.uk/api/a2a","binding":"JSONRPC","vantage":"us-east-1"} | card ok; interface connect-fail: WriteError: | |
| 2026-09-07 07:33 | ok | 100 | 200 | 2195 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":3,"skills":["chat","recall-memory","research-projects"],"streaming":true,"push_notifications":false,"security_schemes":["apiKey"],"bindings":["JSONRPC","JSONRPC"],"signatures":0}meta {"card_url":"https://marginalia.polycode.co.uk/.well-known/agent-card.json","card":{"name":"marginalia","version":"0.2.0","provider":{"organization":"Polycode Limited","url":"https://polycode.co.uk"},"documentationUrl":"https://marginalia.polycode.co.uk/api/openapi.json"},"missing_fields":[],"endpoint_url":"https://marginalia.polycode.co.uk/api/a2a","binding":"JSONRPC","endpoint_status":200,"result":{"kind":"task","state":"working","artifacts":0},"vantage":"us-east-1"} |