imbi-mcp

MCP server for the Imbi DevOps service management platform. Exposes Imbi API functionality to AI agents via the Model Context Protocol.

How It Works

At startup the server fetches the OpenAPI spec from a running imbi-api instance and auto-generates MCP tools, resources, and resource templates using FastMCP.

Route mapping rules control what gets exposed:

  • Excluded -- Auth, MFA, status, and thumbnail endpoints are hidden.
  • Resources -- GET endpoints that return collections.
  • Resource templates -- GET endpoints with path parameters.
  • Tools -- Everything else (create, update, delete operations).

The caller's Authorization header is forwarded to the API so that requests run with the caller's permissions.

Authentication

Two modes, which can be used together:

  • Token (always on). The caller's Authorization header — an Imbi ik_ API key or a JWT — is forwarded to the API, which authorizes the request. This works with no extra configuration.
  • OAuth (when configured). Set --public-url and --auth-server-url (see below) to make the server an OAuth 2.0 Resource Server. It then verifies JWT access tokens locally, accepts-and-forwards ik_ API keys, and publishes Protected Resource Metadata so MCP clients can discover the Imbi authorization server and run a browser login flow (authorization-code + PKCE, with Dynamic Client Registration). Local JWT verification uses the shared IMBI_AUTH_JWT_SECRET.

FastMCP's DNS-rebinding Host/Origin guard is opt-in (disabled by default as of fastmcp 3.4.4), so requests arriving through a reverse proxy are accepted normally. To enable it, set FASTMCP_HTTP_HOST_ORIGIN_PROTECTION=true and list the public host(s) in FASTMCP_HTTP_ALLOWED_HOSTS='["your-host"]'.

Requirements

  • Python 3.12+
  • A running imbi-api instance

Quick Start

# Install dependencies
just setup

# Run the server (imbi-api must be reachable)
just serve

# Or with explicit options
imbi-mcp serve --api-url http://localhost:8000 --transport streamable-http

CLI Options

imbi-mcp serve [OPTIONS]
Option Default Env Var Description
--api-url http://localhost:8000 IMBI_INTERNAL_API_URL Base URL of the Imbi API
--transport streamable-http MCP transport type
--host 127.0.0.1 Host to bind to
--port 8001 Port to bind to
--public-url (none) IMBI_MCP_PUBLIC_URL Public base URL of the host fronting this server, WITHOUT the /mcp path (e.g. https://host); FastMCP appends its own /mcp mount path. Enables OAuth with --auth-server-url
--auth-server-url (none) IMBI_MCP_AUTH_SERVER_URL Imbi OAuth issuer URL (e.g. https://host); enables OAuth with --public-url

Supported transports: stdio, http, sse, streamable-http

Docker

docker build -t imbi-mcp .
docker run -p 8001:8001 -e IMBI_INTERNAL_API_URL=http://imbi-api:8000 imbi-mcp

Development

just setup       # Install deps and pre-commit hooks
just test        # Run tests (90% coverage minimum)
just lint        # Run ruff, basedpyright, mypy
just format      # Auto-format code

License

BSD-3-Clause

Key dates

PyPI data
Data sourced directly from PyPI's database.
  • Released:
Newer release available (2.23.0)

Owner

PyPI data
Data sourced directly from PyPI's database.

Credits

Author: Gavin M. Roy

License expression

BSD-3-Clause
View SPDX License List

Requires

Python >=3.14

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