1ln-mcp

MCP server for 1ln.sh — publishes shell scripts and returns a one-line curl … | sh URL inline in conversation.

Tool

publish_script

| Argument | Type | Default | Notes | | --- | --- | --- | --- | | content | string | required | The shell script. | | visibility | "public" | "private" | "private" | Public gets a 4-char URL; private gets a 22-char capability URL. | | expires | "1h" | "24h" | "1run" | "never" | "24h" | 1run URLs work exactly once. |

Returns: { one_liner, url, slug, delete_token }.

Install

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "1ln": {
      "command": "npx",
      "args": ["-y", "1ln-mcp"]
    }
  }
}

Restart Claude Desktop. The publish_script tool will appear in the tools menu.

Claude Code

claude mcp add 1ln npx -- -y 1ln-mcp

Cursor / Continue / any other MCP client

Use the same stdio command: npx -y 1ln-mcp. Optionally set ONELN_BASE_URL to point at a different deployment.

Use it

"Write me a deploy script for my static site and publish it."

The model will generate the script, call publish_script, and reply with the one-liner — paste it on your server and run.

Development

cd mcp
npm install
npm test
npm run dev   # runs against https://1ln.sh
ONELN_BASE_URL=http://localhost:8787 npm run dev   # against local wrangler dev

License

MIT