---
title: "JSON-RPC 2.0 entry point — initialize, tools/list, tools/call"
method: POST
path: "/api/mcp"
tags: ["MCP"]
---

# JSON-RPC 2.0 entry point — initialize, tools/list, tools/call

`POST /api/mcp`

## Request

- Base URL: `https://api.chieflab.io`
- URL: `https://api.chieflab.io/api/mcp`
- Auth: HTTP bearer

The primary surface AI agents call. Supports MCP `initialize`, `tools/list`, and `tools/call` methods. Bearer auth required for `tools/call` of authenticated tools; `tools/list` and the public-tool subset (e.g. `chieflab_signup_workspace`) work without a key.

## Request body

- object
  - `jsonrpc` '2.0', required
  - `id` union
    - string
    - number
  - `method` 'initialize' | 'tools/list' | 'tools/call', required
  - `params` object

## Response `200`

JSON-RPC response

- object

---

[API](https://skmtc.dev/chieflab/apis/chieflab-api.md) · [All operations](https://skmtc.dev/chieflab/apis/chieflab-api/llms.txt) · [OpenAPI document](https://skmtc.dev/chieflab/apis/chieflab-api/revisions/53dbe1881b0b?raw)