Line MCP Demo MCP Server

MCP server for interacting with your LINE Official Account

Local serverstdio

What is the Line MCP Demo MCP server?

MCP server for interacting with your LINE Official Account. Exposed over MCP by the line mcp demo mcp server, that capability becomes something an assistant can invoke while it works, not something you go and do afterwards.

What it actually does

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

Its toolset

Everything the assistant can do here goes through one of these:

  • Inputs — **

Configuration

You will need 2 environment variables: CHANNEL_ACCESS_TOKEN, DESTINATION_USER_ID. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Adding it to your client

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.

When to reach for it

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Line MCP Demo's toolset — Inputs — is a fair guide to whether it matches your workflow. It is maintained by hirosuke0520; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Line MCP Demo's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Caveats

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the line mcp demo mcp server does with a few real requests.

Available tools

ToolWhat it does
Inputs**

How to install the Line MCP Demo MCP server

{
  "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"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
CHANNEL_ACCESS_TOKENCredential the server authenticates with.Yes
DESTINATION_USER_IDConfiguration value read at startup.Optional

Example prompts to try

  • Use Line MCP Demo to Inputs.

Frequently asked questions

It connects Line MCP Demo to MCP-compatible AI assistants such as Claude and Cursor, exposing 1 tool (Inputs) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Line MCP Demo directly.