DDG Agent Services

{
  "protocolVersion": "1.0",
  "name": "DDG Agent Services",
  "description": "Discovers and submits bounded DDG agent-service tasks with explicit payment and human-fulfillment metadata.",
  "author": "Daedalus Development Group",
  "wellKnownURI": "https://agents.daedalusdevelopmentgroup.com/.well-known/agent-card.json",
  "url": "https://agents.daedalusdevelopmentgroup.com/a2a",
  "version": "0.6.0",
  "provider": {
    "organization": "Daedalus Development Group",
    "url": "https://daedalusdevelopmentgroup.com/"
  },
  "documentationUrl": "https://agents.daedalusdevelopmentgroup.com/quickstart.md",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": false,
  "security": [
    {
      "schemes": {
        "agentIdentity": {
          "list": []
        }
      }
    }
  ],
  "securitySchemes": {
    "agentIdentity": {
      "apiKeySecurityScheme": {
        "name": "X-Agent-Id",
        "location": "header",
        "description": "Stable buyer-agent identity used for rate limiting and task scoping."
      }
    }
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://github.com/google-a2a/a2a-x402/v0.1",
        "required": false,
        "description": "Monetised skills settle over x402 (USDC on Base). Free discovery skill and 15 free-trial routes remain free. Clients activate with X-A2A-Extensions: https://github.com/google-a2a/a2a-x402/v0.1"
      },
      {
        "uri": "https://a2a-registry.org/extensions/registry/v1",
        "params": {
          "payment": {
            "model": "freemium",
            "rails": [
              {
                "type": "stablecoin",
                "token": "USDC",
                "scheme": "exact",
                "network": "base",
                "protocol": "x402"
              }
            ],
            "direction": "inbound",
            "protocols": [
              "x402"
            ]
          }
        },
        "required": false,
        "description": "Payment capabilities and registry identity for the Global A2A Registry"
      }
    ]
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "find-services",
      "name": "Find services",
      "description": "Rank available services for an objective.",
      "tags": [
        "discovery",
        "catalog",
        "x402"
      ],
      "examples": [
        "Find a free automated provenance verifier"
      ],
      "inputModes": [],
      "outputModes": []
    },
    {
      "id": "submit-service-task",
      "name": "Submit service task",
      "description": "Submit a bounded automated or operator-queued service task.",
      "tags": [
        "tasks",
        "x402"
      ],
      "examples": [
        "Submit a .tine artifact for verification"
      ],
      "inputModes": [],
      "outputModes": []
    },
    {
      "id": "opentine-provenance",
      "name": "OpenTine provenance",
      "description": "Verify, compare, trace, and notarize OpenTine artifacts.",
      "tags": [
        "opentine",
        "provenance",
        "x402"
      ],
      "examples": [
        "Detect tampering in this .tine artifact"
      ],
      "inputModes": [],
      "outputModes": []
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "0acefcc3-5549-499a-89fa-393bbace0138",
  "category": "agent-directories",
  "category_secondary": null
}