Hello World Agent

{
  "protocolVersion": "0.3",
  "name": "Hello World Agent",
  "description": "A simple A2A agent that responds with 'Hello World' to any request",
  "author": "A2A Registry Team",
  "wellKnownURI": "https://hello.a2aregistry.org/.well-known/agent-card.json",
  "url": "https://hello.a2aregistry.org/",
  "version": "1.0.0",
  "provider": {
    "organization": "A2A Registry Team",
    "url": "https://github.com/prassanna-ravishankar/a2a-registry"
  },
  "documentationUrl": null,
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": null,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "hello",
      "name": "Say Hello",
      "description": "Responds with a friendly 'Hello World' message",
      "tags": [
        "greeting",
        "hello",
        "simple"
      ],
      "examples": [
        "Say hello",
        "Greet me",
        "Hello"
      ],
      "inputModes": [],
      "outputModes": []
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "da3b9b9f-7c8f-497b-8d9d-38d9047f2de4",
  "category": "demo-test",
  "category_secondary": null
}