Agent Platform

MCP

Connect an OAuth-authorized MCP client to Fullness’s released, scope-filtered finance tools.

POST/external/mcp

JSON-RPC MCP endpoint protected by the same OAuth grant as the HTTP API.

Connection values

MCP configuration

Server URL: https://api.allfullness.com/api/agent/external/mcp
OAuth metadata: https://api.allfullness.com/api/agent/.well-known/oauth-protected-resource
Transport: HTTP JSON-RPC

Implemented MCP methods

Method	Behavior
`initialize`	Negotiates protocol version `2025-06-18`.
`ping`	Connectivity check.
`tools/list`	Returns only tools released and authorized for the grant.
`tools/call`	Executes through the governed action kernel.
`resources/list`	Lists the connected-capabilities resource.
`resources/read`	Reads `fullness://capabilities`.

Calling non-read tools

Supply the required idempotency key inside the reserved _fullness object. Approval fields are forbidden.

JSON

{
  "jsonrpc": "2.0",
  "id": 3,
  "method": "tools/call",
  "params": {
    "name": "a_released_non_read_tool",
    "arguments": {
      "_fullness": {
        "idempotencyKey": "your-stable-key-at-least-16-chars"
      }
    }
  }
}