D grade
protocol-mismatch
80 score
525 ms
0.2 version
0.0% uptime over 1 probes
https://agent-card-validator-mcp.mtree.workers.dev/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-07 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | agent-card-validator-mcp.mtree.workers.dev | paid_api:agent-card-validator-mcp.mtree.workers.dev |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 sigdir × 1 x402 × 1
Badge
embed: <a href="https://agentprobe.org/endpoint/4996"><img src="https://agentprobe.org/badge/4996.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-07T00:05:55+00:00 | protocol-mismatch | 80 | 200 | 525 | 0.2 | show{"era":"0.3","skills_count":2,"skills":["wellknowns-audit","wellknowns-lint"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}{"card_url":"https://agent-card-validator-mcp.mtree.workers.dev/.well-known/agent-card.json","card":{"name":"Agent Card Validator MCP","version":"0.1.0","provider":null,"documentationUrl":"https://agent-card-validator-mcp.mtree.workers.dev/agent-discovery"},"missing_fields":[],"endpoint_url":"https://agent-card-validator-mcp.mtree.workers.dev","binding":"JSONRPC","endpoint_status":200} | interface HTTP 200, no A2A envelope |