Hello — canonical payload contracts
Smoke-test MCP service (hello world).
Service id: hello
Docs: https://mcp.glc-rag.hu/guide/hello
Markdown docs: https://mcp.glc-rag.hu/guide/hello.md
MCP resource: docs://hello/payload
POST https://mcp.glc-rag.hu/mcp. Values below are type slots from the live input schema (e.g. <string, required>), not example data. Fill them from the user task.
RPC result wrapper: result.structuredContent is the object in Output schema. result.isError mirrors structuredContent.is_error.
hello_ping
Return a greeting message and server timestamp.
Required arguments: (none)
Request contract
{
"jsonrpc": "2.0",
"id": "<integer|string>",
"method": "tools/call",
"params": {
"name": "hello_ping",
"arguments": {
"name": "<string, optional>"
}
}
}
Input schema
{
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "Optional name to greet (default: world)"
}
},
"additionalProperties": false
}
Output schema (structuredContent on success)
{
"type": "object",
"properties": {
"message": {
"type": "string"
},
"ts": {
"type": "string",
"description": "ISO-8601 UTC timestamp"
}
},
"additionalProperties": true,
"required": [
"message",
"ts"
]
}
Error object
{
"type": "object",
"required": [
"error",
"is_error"
],
"properties": {
"error": {
"type": "string"
},
"is_error": {
"type": "boolean",
"const": true
}
},
"additionalProperties": true
}