LINE MCP Server
Integrate with LINE Messaging API. Connect AI agents with LINE Official Accounts for messaging.
- Maintained by
- LINE
- Hosting
- Runs locally on your machine
- Authentication
- API key or credentials (environment variables)
- Last checked
Preview release; DESTINATION_USER_ID is optional if tools are given a userId.
How to connect the LINE MCP server
Pick your AI client and paste the snippet. Swap the YOUR_… placeholders for your own values. New to this? Our guide to how MCP clients and servers fit together explains what each piece does.
Claude Code
claude mcp add --env CHANNEL_ACCESS_TOKEN=YOUR_CHANNEL_ACCESS_TOKEN --transport stdio line \
-- npx @line/line-bot-mcp-serverClaude Desktop
{
"mcpServers": {
"line": {
"command": "npx",
"args": [
"@line/line-bot-mcp-server"
],
"env": {
"CHANNEL_ACCESS_TOKEN": "YOUR_CHANNEL_ACCESS_TOKEN"
}
}
}
}Fully quit and reopen Claude Desktop after saving.
Full Claude Desktop setup guide →Cursor
{
"mcpServers": {
"line": {
"command": "npx",
"args": [
"@line/line-bot-mcp-server"
],
"env": {
"CHANNEL_ACCESS_TOKEN": "YOUR_CHANNEL_ACCESS_TOKEN"
}
}
}
}VS Code
{
"servers": {
"line": {
"type": "stdio",
"command": "npx",
"args": [
"@line/line-bot-mcp-server"
],
"env": {
"CHANNEL_ACCESS_TOKEN": "YOUR_CHANNEL_ACCESS_TOKEN"
}
}
}
}Frequently asked questions
What is the LINE MCP server?
It is a Model Context Protocol (MCP) server — a small piece of software that gives AI assistants like Claude a secure, governed connection to LINE. Integrate with LINE Messaging API. Connect AI agents with LINE Official Accounts for messaging.
Is there an official LINE MCP server?
Yes. The LINE MCP server is an official integration, maintained by the vendor or the Model Context Protocol project, which makes it the safest default for business use. It is maintained by LINE.
Is the LINE MCP server hosted, or do I run it myself?
It runs locally. Your AI client starts it on your own machine with npx, and it talks to the client over standard input and output rather than the network.
Do I need an API key for the LINE MCP server?
Yes. The local server reads CHANNEL_ACCESS_TOKEN from its environment, so you create that credential first and add it to your client's config.
What can an AI assistant actually do with LINE?
Through this server an assistant can work with messaging, rich menus, push messages, webhooks — reading from and acting on LINE directly instead of you copy-pasting between windows. What you allow it to do is controlled by the permissions you grant.
How do I set this up for my business?
The setup section above has copy-paste config for Claude Code, Claude Desktop, Cursor and VS Code. Once it is running against real systems, the question becomes what catches it when it acts wrongly, which is what Crox's Safety Diagnostic looks at.
New to MCP? Start with our plain-English guide to the Model Context Protocol or see how to connect AI to your business tools without writing code .
Already running this in production?
An agent with a live connection to your tools is a model that can act. Crox looks at what catches it when it acts wrongly: the layers around it, who can stop it, and where a near miss gets reported. Two days, one team, one model.