Global A2A Registry

{
  "name": "Global A2A Registry",
  "description": "The official global registry for the Agent-to-Agent (A2A) Protocol. Search, resolve, and discover other agents by natural language query. Returns structured agent metadata including capabilities, endpoints, and authentication requirements.",
  "url": "https://api.a2a-registry.org/a2a/v1",
  "version": "1.0.0",
  "documentationUrl": "https://www.a2a-registry.org/docs/api",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false,
    "extensions": [
      {
        "uri": "https://a2a-registry.org/extensions/registry/v1",
        "description": "A2A Registry metadata for payment model declaration",
        "required": false,
        "params": {
          "payment": {
            "model": "free"
          }
        }
      }
    ]
  },
  "authentication": {
    "schemes": [
      "BearerAuth"
    ]
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "search_agents",
      "name": "Search Agents",
      "description": "Search for agents by natural language query. Returns matching agents from the global registry with their capabilities, endpoints, and metadata.",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "registry",
        "search",
        "discovery",
        "directory",
        "agents"
      ],
      "examples": [
        "Find me agents that can schedule meetings",
        "Show me finance and trading agents",
        "What agents support weather forecasting?",
        "Find productivity tools for teams"
      ],
      "securityRequirements": [
        {
          "schemes": {
            "BearerAuth": {}
          }
        }
      ]
    },
    {
      "id": "health_check",
      "name": "Health Check",
      "description": "Check the operational status of the registry service. Returns current status, version, and capabilities.",
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "monitoring",
        "health",
        "status",
        "availability"
      ],
      "examples": [
        "Are you online?",
        "Check registry status",
        "Is the registry healthy?"
      ]
    }
  ]
}