Say Hello
helloResponds with a friendly 'Hello World' message
Provider
A2A Registry Team
A simple A2A agent that responds with 'Hello World' to any request
Last 100 checks shown · 99.1% across 30 days
Responds with a friendly 'Hello World' message
Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.
{
"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"
}curl -s https://a2aregistry.org/api/agents/da3b9b9f-7c8f-497b-8d9d-38d9047f2de4Messages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.