Verify academic citations against real databases. Catches hallucinated references, exports BibTeX.
Connect Runs on your machine
claude mcp add refcheck -e CROSSREF_EMAIL=<CROSSREF_EMAIL> -e S2_API_KEY=<S2_API_KEY> -e ELSEVIER_KEY=<ELSEVIER_KEY> -e ELSEVIER_INSTTOKEN=<ELSEVIER_INSTTOKEN> -e IEEE_API_KEY=<IEEE_API_KEY> -- uvx refcheck-mcp==0.1.0{
"mcpServers": {
"refcheck": {
"command": "uvx",
"args": [
"refcheck-mcp==0.1.0"
],
"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>"
}
}
}
}{
"mcpServers": {
"refcheck": {
"command": "uvx",
"args": [
"refcheck-mcp==0.1.0"
],
"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>"
}
}
}
}{
"servers": {
"refcheck": {
"type": "stdio",
"command": "uvx",
"args": [
"refcheck-mcp==0.1.0"
],
"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>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
CROSSREF_EMAILOptional | Your email for Crossref polite pool (faster rate limits) |
S2_API_KEYOptional, secret | Semantic Scholar API key (free, from semanticscholar.org/product/api) |
ELSEVIER_KEYOptional, secret | Elsevier/Scopus API key (from dev.elsevier.com) |
ELSEVIER_INSTTOKENOptional, secret | Elsevier institutional token for higher rate limits |
IEEE_API_KEYOptional, secret | IEEE Xplore API key (from developer.ieee.org) |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 25 Feb 2026 |
| Last updated | 25 Feb 2026 |
| Registry name | io.github.benchoi93/refcheck |
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