MCP Server For Lark

What is MCP Server For Lark about?

Enables MCP‑based services to interact with Lark (Feishu) spreadsheets, allowing data to be written into sheets and returning a link for easy access.

How to use MCP Server For Lark?

1. Create a Lark app on the Lark Open Platform.
2. Grant the permission sheets:spreadsheet:readonly to the app.
3. Set environment variables:

   LARK_APP_ID=your_app_id
   LARK_APP_SECRET=your_app_secret
   

4. Add the server to your MCP host configuration:

   "mcpServers": {
     "mcpServerLark": {
       "description": "MCP Server For Lark(Feishu)",
       "command": "uvx",
       "args": ["parent_of_servers_repo/servers/src/mcp_server_lark"],
       "env": {
         "LARK_APP_ID": "xxx",
         "LARK_APP_SECRET": "xxx"
       }
     }
   }
   

5. Call the core tool write_excel with the required email and data payload.

Key features of MCP Server For Lark

• write_excel: Writes arbitrary data to a specified Lark sheet and returns a direct link.
• Simple permission model (read‑only spreadsheet access).
• Environment‑driven configuration for easy deployment.

Use cases of MCP Server For Lark

• Automating report generation by populating Lark sheets from backend services.
• Sharing dynamically created spreadsheets with external collaborators via a single link.
• Integrating Lark sheet updates into larger MCP‑driven workflows (e.g., notification, data analysis pipelines).

FAQ from the MCP Server For Lark

• Do I need write permissions on the sheet? The server currently requires only the sheets:spreadsheet:readonly permission because it uses the app’s ability to create and share sheets on behalf of the user.
• What format should the data be in? Data should be provided as a JSON‑serializable structure that the write_excel tool can map to rows and columns.
• How is access controlled for the generated link? You must supply an email address when invoking write_excel; the generated sheet is shared with that email, granting the recipient access.

MCP Server For Lark (Feishu)

A Model Context Protocol server for Lark(Feishu) sheet, message, doc and etc.

Tools

The server offers one core tools now:

• write_excel
  • Write data to a sheet in a Lark(Feishu) sheet and return a link.
  • Need to provide a email to add access.

Configuration

1. Create a Lark(Feishu) app

Visit the Lark Open Platform: https://open.larkoffice.com/app

2. Apply Permissions for the App

sheets:spreadsheet:readonly

3. Environment Variables

LARK_APP_ID=your_app_id
LARK_APP_SECRET=your_app_secret

Usage

# Add the server to your host
"mcpServers": {
  "mcpServerLark": {
    "description": "MCP Server For Lark(Feishu)",
    "command": "uvx",
    "args": [
      "parent_of_servers_repo/servers/src/mcp_server_lark"
    ],
    "env": {
        "LARK_APP_ID": "xxx",
        "LARK_APP_SECRET": "xxx"
    }
  }
}

License

MIT License