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LINE Bot MCP Server

Model Context Protocol (MCP) server implementation that integrates the LINE Messaging API to connect an AI Agent to the LINE Official Account.

> [!NOTE]

> This repository is provided as a preview version. While we offer it for experimental purposes, please be aware that it may not include complete functionality or comprehensive support.

Tools

1. push_text_message

2. push_flex_message

3. get_profile

Installation

Step 1: Install line-bot-mcp-server

requirements:

• Node.js v20 or later

Clone this repository:

git clone git@github.com/line/line-bot-mcp-server.git

Install the necessary dependencies and build line-bot-mcp-server when using Node.js. This step is not required when using Docker:

cd line-bot-mcp-server && npm install && npm run build

Step 2: Get a channel access token

This MCP server utilizes a LINE Official Account. If you do not have one, please create it by following this instructions.

To connect to the Messaging API, you need to have a channel access token. You can confirm this by following this instructions.

Additionally, you will need the user ID of the recipient user for messages. You can confirm this by following this instructions.

Step 3: Configure AI Agent

Please add the following configuration for an AI Agent like Claude Desktop or Cline.

Insert the channel access token and user ID you obtained earlier into `CHANNEL_ACCESS_TOKEN` and `DESTINATION_USER_ID`, respectively.

Additionally, update the path to `line-bot-mcp-server` in `mcpServers.args`.

Option 1: Use Node

{
  "mcpServers": {
    "line-bot": {
      "command": "node",
      "args": [
        "PATH/TO/line-bot-mcp-server/dist/index.js"
      ],
      "env": {
        "CHANNEL_ACCESS_TOKEN" : "FILL_HERE",
        "DESTINATION_USER_ID" : "FILL_HERE"
      }
    }
  }
}

Option 2: Use Docker

Build the Docker image first:

docker build -t line/line-bot-mcp-server .

{
  "mcpServers": {
    "line-bot": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "CHANNEL_ACCESS_TOKEN",
        "-e",
        "DESTINATION_USER_ID",
        "line/line-bot-mcp-server"
      ],
      "env": {
        "CHANNEL_ACCESS_TOKEN" : "FILL_HERE",
        "DESTINATION_USER_ID" : "FILL_HERE"
      }
    }
  }
}