C grade
auth-required
20 score
590 ms
25.0% uptime over 4 measured probes
AS396982 GOOGLE-CLOUD-PLATFORM - Google LLC, US · US
https://onchain-activity-index-325572559480.us-central1.run.app/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-09 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | On-Chain Activity Index | a2a_agent:onchain-activity-index-325572559480.us-central1.ru |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 · 1 alive robots × 1 sigdir × 1 x402 × 1 · 1 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/8636"><img src="https://agentprobe.org/badge/8636.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-09 10:16 | auth-required | 20 | 403 | HTTP/1.1 | 590 | detailsmeta {"card_url":"https://onchain-activity-index-325572559480.us-central1.run.app/.well-known/agent-card.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 403 | |
| 2026-09-09 09:40 | connect-fail | 531 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-08 08:39 | connect-fail | 60 | 200 | 2650 | 0.2 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["nexus_onchain_activity_index_get_onchain_activity_index"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC","MCP"],"signatures":0}meta {"card_url":"https://onchain-activity-index-325572559480.us-central1.run.app/.well-known/agent-card.json","card":{"name":"On-Chain Activity Index","version":"1.0.0","provider":{"organization":"nexus-mcp-infra","url":"https://github.com/nexus-mcp-infra"},"documentationUrl":"https://onchain-activity-index-325572559480.us-central1.run.app/docs"},"missing_fields":[],"endpoint_url":"https://onchain-activity-index-325572559480.us-central1.run.app","binding":"JSONRPC","vantage":"us-east-1"} | card ok; interface connect-fail: h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED | |
| 2026-09-07 07:40 | protocol-mismatch | 80 | 200 | 1275 | 0.2 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["nexus_onchain_activity_index_get_onchain_activity_index"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC","MCP"],"signatures":0}meta {"card_url":"https://onchain-activity-index-325572559480.us-central1.run.app/.well-known/agent-card.json","card":{"name":"On-Chain Activity Index","version":"1.0.0","provider":{"organization":"nexus-mcp-infra","url":"https://github.com/nexus-mcp-infra"},"documentationUrl":"https://onchain-activity-index-325572559480.us-central1.run.app/docs"},"missing_fields":[],"endpoint_url":"https://onchain-activity-index-325572559480.us-central1.run.app","binding":"JSONRPC","endpoint_status":404,"vantage":"us-east-1"} | interface HTTP 404 |