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LINE Bot MCP Server

by LINE

v0.5.0

Apache-2.0

Repository Docs npm

Productivity

linemessagingchatbotflex-messageofficial

Summary

LINE's official MCP server for the Messaging API — push and broadcast text or Flex messages, build rich menus, read profiles, quota and follower IDs.

Features

Push text and Flex messages to a specific user
Broadcast text and Flex messages to every follower
Create rich menus with up to six actions, image generated and uploaded
List, delete, set and cancel the default rich menu
Read user profiles and paginate follower IDs
Check monthly message quota and consumption

Installation

Set up this MCP server in your favorite AI agent — copy a ready-made configuration below.

Any MCP-compatible agent

Most agents (Claude, Cursor, Windsurf, VS Code, and more) read a standard mcpServers configuration.

Open your agent's MCP configuration file.
Merge the snippet below into it, filling in the environment variables with your own values.
Restart the agent — the "LINE Bot MCP Server" tools will be available.

{
  "mcpServers": {
    "line-bot-mcp-server": {
      "command": "npx",
      "args": [
        "@line/line-bot-mcp-server"
      ],
      "env": {
        "CHANNEL_ACCESS_TOKEN": "<YOUR_CHANNEL_ACCESS_TOKEN>",
        "DESTINATION_USER_ID": "<DEFAULT_USER_ID>"
      }
    }
  }
}

Claude Code

Add the server with a single CLI command.

claude mcp add line-bot-mcp-server -e CHANNEL_ACCESS_TOKEN=<YOUR_CHANNEL_ACCESS_TOKEN> -e DESTINATION_USER_ID=<DEFAULT_USER_ID> -- npx @line/line-bot-mcp-server

Claude Desktop

Add the server to claude_desktop_config.json (Settings → Developer → Edit Config).

{
  "mcpServers": {
    "line-bot-mcp-server": {
      "command": "npx",
      "args": [
        "@line/line-bot-mcp-server"
      ],
      "env": {
        "CHANNEL_ACCESS_TOKEN": "<YOUR_CHANNEL_ACCESS_TOKEN>",
        "DESTINATION_USER_ID": "<DEFAULT_USER_ID>"
      }
    }
  }
}

Cursor

{
  "command": "npx",
  "args": [
    "@line/line-bot-mcp-server"
  ],
  "env": {
    "CHANNEL_ACCESS_TOKEN": "<YOUR_CHANNEL_ACCESS_TOKEN>"
  }
}

Description

This is LINE's own MCP server for driving a LINE Official Account from an agent. It wraps the Messaging API in twelve tools: pushing a plain text or Flex message to a specific user, broadcasting either kind to every follower, fetching a user's profile (display name, picture, status message, language), and checking the account's monthly message quota and current consumption.

Rich menus get first-class treatment, which is the part that is genuinely tedious to do by hand. create_rich_menu takes up to six actions — postback, message, URI, date/time picker, camera, camera roll, location, rich-menu switch or clipboard — then generates and uploads the menu image and sets it as default in one step. Listing, deleting, setting and cancelling the default menu are separate tools. get_follower_ids paginates through the users who have added the account, so a workflow can address people without a hand-maintained list.

Setup needs Node.js 22+, a LINE Official Account with the Messaging API enabled, and a long-lived channel access token in CHANNEL_ACCESS_TOKEN. A DESTINATION_USER_ID can be set as the default recipient for tools that take an optional userId.

LINE describes the repository as a preview release: functionality and support are not yet complete.

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