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LMCP plugin for Codex

The LMCP plugin for Codex adds LMCP, a local MCP server, and a set of skills to Codex. Codex can then work with the apps on your own Mac or Windows PC, such as Mail, Calendar, files and Office documents, with tools that run on your computer.

What the plugin bundles

  • The entry that starts the LMCP MCP server, so there is no config.toml block to write.
  • Skills that tell Codex how to use LMCP for email, calendar, messages, team chat and files.
  • Not the LMCP app: install it first, because the tools run there.

Install the LMCP plugin for Codex

  1. Download and install the LMCP app on your Mac (macOS 13+) or Windows PC (Windows 10+, 64-bit).
  2. In a terminal, with the Codex CLI, run these two commands:
codex plugin marketplace add colibird-ai/local-mcp-releases
codex plugin add local-mcp@local-mcp

Check it with codex plugin list: it shows local-mcp@local-mcp, installed and enabled. Then restart Codex; MCP tools load at startup.

What it can do on Mac and on Windows

The plugin is the same on both systems; what Codex can reach depends on the apps LMCP supports on each one.

  • macOS: Microsoft 365, Apple Mail, iMessage, Teams, Slack, WhatsApp, Telegram, Signal, OneDrive, Google Drive, Office, Zalo, Todoist, ServiceNow, Zoom, Notion, OmniFocus, Microsoft To Do, Browser automation, Video editing, Apple Calendar, Apple Reminders, Apple Notes, Apple Contacts.
  • Windows: Microsoft 365, Teams, Slack, WhatsApp, Telegram, OneDrive, Google Drive, Office, Todoist, ServiceNow, Zoom, Outlook, Microsoft To Do, Browser automation, Video editing.

Each app, with how it connects and its limits, is on the integrations page.

Things to ask

  • Find the email where the client described this bug and summarize the thread before you touch the code.
  • What is on my calendar tomorrow? Tell me when I have two hours without meetings.
  • Read the spec in my Documents folder and list what this repository does not implement yet.
  • Open last quarter’s Excel report and write its totals as a Markdown table in the README.

LMCP executes local tools on your device. Cloud AI providers and connected services can receive requested data; their terms apply.

Guides for Codex

Other install paths, and every AI client: setup and installation.