Agent sign-in and A2A

Model Context Protocol endpoint

Stateless streamable-HTTP MCP. 20+ tools over the same data as /v1, with identical answer sentences. Also reachable at https://helious.io/mcp. Server card at https://helious.io/.well-known/mcp/server-card.json.

post/mcp

Request

  • Base URL: https://api.helious.io
  • URL: https://api.helious.io/mcp
  • Auth: one of:
    • none
    • HTTP bearer
    • OAuth 2 (authorization code, authorization URL https://helious.io/oauth/authorize, token URL https://api.helious.io/oauth/token, scopes: market:read)

Request body

jsonrpcstring
idinteger
methodstring
paramsobject

Example request

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Response

JSON-RPC response

object required

Changes

No recorded changes to this operation across all 1 revision of this API.