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mcp/harbor
Gemini CLI

refcheck for Gemini CLI

io.github.benchoi93/refcheck

Verify academic citations against real databases. Catches hallucinated references, exports BibTeX.

client:Gemini CLI transport:stdio runtime:pypi

Install refcheck in Gemini CLI

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "refcheck": {
      "command": "uvx",
      "args": [
        "refcheck-mcp"
      ],
      "env": {
        "CROSSREF_EMAIL": "<CROSSREF_EMAIL>",
        "S2_API_KEY": "<S2_API_KEY>",
        "ELSEVIER_KEY": "<ELSEVIER_KEY>",
        "ELSEVIER_INSTTOKEN": "<ELSEVIER_INSTTOKEN>",
        "IEEE_API_KEY": "<IEEE_API_KEY>"
      }
    }
  }
}

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

refcheck in other clients

refcheck MCP server