MCP server for opn.onl: shorten links, analytics, branded QR codes, and link management.
To add opn-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 2 environment variables, listed below.
Install
npx -y opn-mcp@1.2.0Environment variables
OPN_API_KEYSet in your MCP configOPN_BASE_URLSet in your MCP configInstall with your client
claude mcp add opn --env OPN_API_KEY=<YOUR_OPN_API_KEY> --env OPN_BASE_URL=<YOUR_OPN_BASE_URL> -- npx -y opn-mcp@1.2.0
Run this in a terminal to add the server to Claude Code.
What this does
opn-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
OPN_API_KEY OPN_BASE_URL
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install opn-mcp?
Run the Claude Code command in the install section to add opn-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with opn-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to opn-mcp as well.
Does opn-mcp need an API key?
Yes. Before it can run, set these environment variables: OPN_API_KEY, OPN_BASE_URL. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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