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Lark MCP Server

Connect Lark to Claude Cowork
Calendar, messages, docs, and tasks — all in one place

Setup Guide

Authorize with Lark Click the Login with Lark button above and sign in with your Lark account. This grants Claude read/write access to your calendar, messages, docs, and tasks.

Download your personal plugin After authorization, a download button will appear. Click it to get your lark.plugin file. This file contains your personal credentials — do not share it.

Install in Claude Cowork Double-click the downloaded lark.plugin file. Claude Cowork will prompt you to confirm the installation — click Accept.

Verify it works In Claude Cowork, try asking: "Show my Lark calendar for today". If it returns your schedule, you're all set!

What you can do

📅Calendar & Events

💬Messages & Chats

📄Documents & Wiki

✅Tasks & To-dos

👤User & Contact Search

🏢Departments & Org

FAQ

Nothing happens when I click the download button?: Make sure you have the latest version of Claude Cowork installed. Restart the app and try again.
How do I re-authorize or refresh my token?: Simply visit this page again and click Login. Your token will be updated automatically — no need to re-download the plugin.
What permissions are required?: Lark will automatically request the necessary permissions (calendar, messaging, docs, tasks, contacts) during authorization. No extra setup needed from your admin.
Is my data safe?: Your credentials are stored securely on the server and are never shared. Each user gets a unique API key. The plugin file connects only to this server.
Can I use this on multiple devices?: Yes. Install the same lark.plugin file on each device where you use Claude Cowork.