D grade
protocol-mismatch
80 score
118 ms
1.0 version
0.0% uptime over 1 probes
https://agent-contract-proof.mattskowronis.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 |
|---|---|---|---|
| A2A Registry (a2aregistry.org) | Agent Contract Proof | Verify that a public agent or API endpoint matches its advertised payment and schema contract. | https://agent-contract-proof.mattskowronis.workers.dev/.well |
| Agenstry | Agent Contract Proof | paid_api:agent-contract-proof.mattskowronis.workers.dev |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 robots × 1 sigdir × 1 x402 × 2
Badge
embed: <a href="https://agentprobe.org/endpoint/260"><img src="https://agentprobe.org/badge/260.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-07T00:05:59+00:00 | protocol-mismatch | 80 | 200 | 118 | 1.0 | show{"era":"1.0","skills_count":1,"skills":["verify_agent_contract"],"streaming":false,"push_notifications":false,"security_schemes":["x402"],"bindings":["JSONRPC"],"signatures":0}{"card_url":"https://agent-contract-proof.mattskowronis.workers.dev/.well-known/agent-card.json","card":{"name":"Agent Contract Proof","version":"1.0.0","provider":{"organization":"Skowron Works","url":"https://skowronworks.com/agent-tools/agent-contract-proof/"},"documentationUrl":"https://skowronworks.com/agent-tools/agent-contract-proof/"},"missing_fields":[],"endpoint_url":"https://agent-contract-proof.mattskowronis.workers.dev/a2a","binding":"JSONRPC","endpoint_status":404} | interface HTTP 404 |