unpaywall mcp for Claude Code

io.github.mrfentmen/unpaywall-mcp

Open access links from Unpaywall. No key required.

client:Claude Code transport:stdio runtime:npm

Install unpaywall mcp in Claude Code

run in your project directory

claude mcp add unpaywall-mcp -- npx -y @mrfentmen/unpaywall-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs