MCP Server

refcheck MCP Server

Name: refcheck MCP Server
Author: io.github.benchoi93

io.github.benchoi93/refcheck

Repository Registry

What is the refcheck MCP server?

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

How to install refcheck

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

CROSSREF_EMAIL
Your email for Crossref polite pool (faster rate limits)
S2_API_KEY
secret
Semantic Scholar API key (free, from semanticscholar.org/product/api)
ELSEVIER_KEY
secret
Elsevier/Scopus API key (from dev.elsevier.com)
ELSEVIER_INSTTOKEN
secret
Elsevier institutional token for higher rate limits
IEEE_API_KEY
secret
IEEE Xplore API key (from developer.ieee.org)

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "refcheck": {
      "command": "uvx",
      "args": [
        "refcheck-mcp"
      ],
      "env": {
        "CROSSREF_EMAIL": "<YOUR_CROSSREF_EMAIL>",
        "S2_API_KEY": "<YOUR_S2_API_KEY>",
        "ELSEVIER_KEY": "<YOUR_ELSEVIER_KEY>",
        "ELSEVIER_INSTTOKEN": "<YOUR_ELSEVIER_INSTTOKEN>",
        "IEEE_API_KEY": "<YOUR_IEEE_API_KEY>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "refcheck": {
      "command": "uvx",
      "args": [
        "refcheck-mcp"
      ],
      "env": {
        "CROSSREF_EMAIL": "<YOUR_CROSSREF_EMAIL>",
        "S2_API_KEY": "<YOUR_S2_API_KEY>",
        "ELSEVIER_KEY": "<YOUR_ELSEVIER_KEY>",
        "ELSEVIER_INSTTOKEN": "<YOUR_ELSEVIER_INSTTOKEN>",
        "IEEE_API_KEY": "<YOUR_IEEE_API_KEY>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "refcheck": {
      "command": "uvx",
      "args": [
        "refcheck-mcp"
      ],
      "env": {
        "CROSSREF_EMAIL": "<YOUR_CROSSREF_EMAIL>",
        "S2_API_KEY": "<YOUR_S2_API_KEY>",
        "ELSEVIER_KEY": "<YOUR_ELSEVIER_KEY>",
        "ELSEVIER_INSTTOKEN": "<YOUR_ELSEVIER_INSTTOKEN>",
        "IEEE_API_KEY": "<YOUR_IEEE_API_KEY>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "refcheck": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "refcheck-mcp"
      ],
      "env": {
        "CROSSREF_EMAIL": "<YOUR_CROSSREF_EMAIL>",
        "S2_API_KEY": "<YOUR_S2_API_KEY>",
        "ELSEVIER_KEY": "<YOUR_ELSEVIER_KEY>",
        "ELSEVIER_INSTTOKEN": "<YOUR_ELSEVIER_INSTTOKEN>",
        "IEEE_API_KEY": "<YOUR_IEEE_API_KEY>"
      }
    }
  }
}

Claude Code

claude mcp add refcheck --env CROSSREF_EMAIL=<YOUR_CROSSREF_EMAIL> --env S2_API_KEY=<YOUR_S2_API_KEY> --env ELSEVIER_KEY=<YOUR_ELSEVIER_KEY> --env ELSEVIER_INSTTOKEN=<YOUR_ELSEVIER_INSTTOKEN> --env IEEE_API_KEY=<YOUR_IEEE_API_KEY> -- uvx refcheck-mcp