SERVER

Refcheck

Rank #1,139

io.github.benchoi93/refcheck

MCP server providing refcheck capabilities

1 version

486 GitHub stars

by UMN-Choi-Lab (1 servers)View repository ↗Claim this server

Listed & last published

Feb 25, 2026

OVERVIEW

Refcheck is a Model Context Protocol (MCP) server published by UMN-Choi-Lab. It ranks #1,139 of 132,046 servers tracked on MCP Toplist, and its repository has 486 GitHub stars. Refcheck is listed on Official MCP, with 1 tracked version. It was first listed on Feb 25, 2026 and most recently updated on Feb 25, 2026.

STANDING

#1,139of 132,046 tracked serversTop 1%

Ranks ahead of 130,907 of 132,046 servers on MCP Toplist.

CONNECT

Use Refcheck

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

Python package (PyPI)

claude mcp add refcheck -e "CROSSREF_EMAIL=<your CROSSREF_EMAIL>" -e "S2_API_KEY=<your S2_API_KEY>" -e "ELSEVIER_KEY=<your ELSEVIER_KEY>" -e "ELSEVIER_INSTTOKEN=<your ELSEVIER_INSTTOKEN>" -e "IEEE_API_KEY=<your IEEE_API_KEY>" -- uvx refcheck-mcp

Replace each placeholder with your own value before saving.

Python package (PyPI)

[mcp_servers.refcheck]
command = "uvx"
args = ["refcheck-mcp"]

[mcp_servers.refcheck.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>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "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>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "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>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "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>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "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>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "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>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.benchoi93%2Frefcheck.svg)](https://mcptoplist.com/server/io.github.benchoi93%2Frefcheck)

HTML

<a href="https://mcptoplist.com/server/io.github.benchoi93%2Frefcheck"><img src="https://mcptoplist.com/badge/io.github.benchoi93%2Frefcheck.svg" alt="MCP Toplist: Top 1% of 132,046" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 1 registry

Official MCP

ORGANIZATION

UMN-Choi-Lab

Organization

UMN-Choi-Lab

Servers in org

Versions across org

VERSIONS

Available versions (1)

Version	Published
0.1.0	Feb 25, 2026

FAQ

Frequently asked questions

Who maintains Refcheck?: Refcheck is maintained by UMN-Choi-Lab, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
Is Refcheck listed on the Official MCP Registry?: Yes — Refcheck is listed on the Official MCP Registry.
How many versions does Refcheck have?: MCP Toplist tracks 1 version of Refcheck, most recently published on Feb 25, 2026.
Where can I find the source code for Refcheck?: The source code for Refcheck is hosted at github.com/UMN-Choi-Lab/refcheck.

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