line-harness-oss

line-harness-oss is an MCP server by Shudesu. L Harness — self-hosted LINE Official Account CRM: step messaging, broadcasts, forms and reservations, with MCP and TypeScript SDK. By Shudesu (野田修一). It has 606 GitHub stars and ranks #83 of 1809 in Productivity by stars.

Category

Productivity

Author

Shudesu

GitHub stars

606

This week

Tracking since 18 Oct 2026

Weekly downloads

239

Language

TypeScript

License

MIT (open source)

Last update

2026-10-20 (4 days ago)

Links

SourceWebsitenpm

• cloudflare-workers
• crm
• l-harness
• line-official-account
• marketing-automation
• mcp
• mcp-server
• self-hosted

How to install line-harness-oss

line-harness-oss is published on npm as @line-harness/mcp-server, and it depends on @modelcontextprotocol/sdk. These steps assume it runs as a local stdio server, which is the usual setup.

1. Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need Node.js for npx.
2. Add it to Claude Code from a terminal:

   claude mcp add line-harness-oss -- npx -y @line-harness/mcp-server

3. Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

   {
     "mcpServers": {
       "line-harness-oss": {
         "command": "npx",
         "args": [
           "-y",
           "@line-harness/mcp-server"
         ]
       }
     }
   }

4. Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm line-harness-oss and its tools are listed. The install guide covers VS Code and Codex.

Also listed in

• MCP servers for Cloudflare131

Maintain this project? Get it featured ($99/mo, pinned at the top of Productivity) or see what featuring includes.

Report a problem with this listing

Alternatives to line-harness-oss

All 1809 Productivity MCP servers →

Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.