ProofRail Access Agent

{
  "protocolVersion": "1.0",
  "name": "ProofRail Access Agent",
  "description": "A2A bridge for autonomous MCP discovery, free endpoint preflight, and optional x402-paid ProofRail certification with deterministic evidence.",
  "author": "ProofRail",
  "wellKnownURI": "https://kaattaallaa-sketch.github.io/proofrail-mcp/.well-known/agent-card.json",
  "url": "https://drkdm4jd-8767.uks1.devtunnels.ms/a2a",
  "version": "0.4.1",
  "provider": {
    "organization": "ProofRail",
    "url": "https://kaattaallaa-sketch.github.io/proofrail-mcp"
  },
  "documentationUrl": "https://kaattaallaa-sketch.github.io/proofrail-mcp/llms.txt",
  "iconUrl": "https://kaattaallaa-sketch.github.io/proofrail-mcp/favicon.svg",
  "supportsAuthenticatedExtendedCard": false,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://a2a-registry.org/extensions/registry/v1",
        "params": {
          "payment": {
            "rails": [
              {
                "type": "stablecoin",
                "caip2": "eip155:8453",
                "token": "USDC",
                "scheme": "exact",
                "network": "base",
                "feeModel": "low",
                "protocol": "x402",
                "settlementTime": "fast",
                "contractAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
              }
            ],
            "direction": "inbound",
            "protocols": [
              "x402"
            ]
          },
          "identity": {
            "provider": "github",
            "username": "kaattaallaa-sketch",
            "packageName": "github.kaattaallaa-sketch.proofrail_access_agent"
          }
        },
        "required": false,
        "description": "Registry identity hints and x402 payment capabilities"
      }
    ]
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "proofrail_certification_access",
      "name": "ProofRail certification access",
      "description": "Run a free preflight immediately from structured JSON with target_url, or from explicit verification text containing exactly one HTTP(S) target URL; otherwise return canonical MCP/HTTP access details for optional x402-paid full certification.",
      "tags": [
        "mcp",
        "x402",
        "preflight",
        "compatibility",
        "verification"
      ],
      "examples": [
        "Run a free preflight on this MCP endpoint before I trust it.",
        "How do I certify an MCP server before deployment?",
        "Give me the ProofRail x402 certification endpoint.",
        "Verify this MCP server release before I trust it."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ]
    },
    {
      "id": "proofrail_mcp_discovery",
      "name": "Find verified public MCP servers",
      "description": "Search ProofRail's autonomous Radar for currently PASS public MCP endpoints by task, returning evidence plus free-preflight and optional paid-certification actions.",
      "tags": [
        "mcp",
        "discovery",
        "radar",
        "x402",
        "verification"
      ],
      "examples": [
        "{\"intent\":\"find_mcp_servers\",\"query\":\"web search\",\"limit\":3}",
        "{\"intent\":\"find_mcp_servers\",\"query\":\"legal case search\",\"min_observations\":2,\"min_pass_rate\":1}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "7f299df1-8e4d-40fb-9c73-f521f9d8c566",
  "category": "trust-safety",
  "category_secondary": "agent-directories"
}