Unpaywall for Gemini CLI

io.github.pipeworx-io/unpaywall

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

client:Gemini CLI transport:streamable-http

Install Unpaywall in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "unpaywall": {
      "httpUrl": "https://gateway.pipeworx.io/unpaywall/mcp"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs