A2A Fieldcheck

{
  "protocolVersion": "1.0",
  "name": "A2A Fieldcheck",
  "description": "Beta behavioral checks for A2A 1.0 agents over JSON-RPC or HTTP+JSON, with private JSON/JUnit evidence. 20 free check credits per workspace via explicit API onboarding. The public beta uses a temporary development tunnel with no uptime guarantee. Paid checkout is disabled. No wallet keys or automatic spending required.",
  "author": "Fieldcheck maintainers",
  "wellKnownURI": "https://ver-feels-passing-carb.trycloudflare.com/.well-known/agent-card.json",
  "url": "https://ver-feels-passing-carb.trycloudflare.com/a2a",
  "version": "0.2.1",
  "provider": null,
  "documentationUrl": "https://ver-feels-passing-carb.trycloudflare.com/agents",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": null,
  "security": [
    {
      "schemes": {
        "workspaceKey": {
          "list": []
        }
      }
    }
  ],
  "securitySchemes": {
    "workspaceKey": {
      "httpAuthSecurityScheme": {
        "scheme": "Bearer"
      }
    }
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "check-a2a-behavior",
      "name": "Check A2A agent behavior",
      "description": "Submit a bounded check contract with target origin, message and expected text or JSON value. Receive pass/fail, latency and JUnit. One credit per completed check; infrastructure errors refund it. This is a behavioral check, not protocol certification.",
      "tags": [
        "a2a",
        "regression-testing",
        "agent-reliability",
        "junit",
        "monitoring"
      ],
      "examples": [
        "{\"command\": \"check\", \"contract\": {\"name\": \"Try a real A2A exchange\", \"url\": \"demo:healthy\"}}"
      ],
      "inputModes": [],
      "outputModes": []
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "3f55066d-14e7-43a3-9760-5ca9d2a9dfdc",
  "category": "developer-tools",
  "category_secondary": null
}