paper-preflightMCP Server

by amos689

Released Oct 3, 2026

1 views

v0.8.0

MIT

Repository Docs

Developer Tools

Summary

MCP server that verifies every LaTeX reference against Crossref, dblp, arXiv and more, with no LLM guessing in the verdicts.

Features

Verifies references against Crossref, dblp, arXiv, DataCite, PubMed and OpenAlex
Flags retracted papers, wrong DOIs, wrong years and duplicate entries
Builds BibTeX from registry records instead of model memory
Proposes .bib fixes as a diff without writing files
Read-only tools confined to the workspace root

Installation

Set up this MCP server in your favorite AI agent — copy a ready-made configuration below.

Any MCP-compatible agent

Most agents (Claude, Cursor, Windsurf, VS Code, and more) read a standard mcpServers configuration.

Open your agent's MCP configuration file.
Merge the snippet below into it.
Restart the agent — the "paper-preflight" tools will be available.

{
  "mcpServers": {
    "paper-preflight": {
      "command": "uvx",
      "args": [
        "--from",
        "paper-preflight[mcp]",
        "paper-preflight",
        "mcp"
      ]
    }
  }
}

Claude Code

Add the server with a single CLI command.

claude mcp add paper-preflight -- uvx --from paper-preflight[mcp] paper-preflight mcp

Claude Desktop

Add the server to claude_desktop_config.json (Settings → Developer → Edit Config).

{
  "mcpServers": {
    "paper-preflight": {
      "command": "uvx",
      "args": [
        "--from",
        "paper-preflight[mcp]",
        "paper-preflight",
        "mcp"
      ]
    }
  }
}

Cursor

{
  "command": "uvx",
  "args": [
    "--from",
    "paper-preflight[mcp]",
    "paper-preflight",
    "mcp"
  ]
}

VS Code

{
  "command": "uvx",
  "args": [
    "--from",
    "paper-preflight[mcp]",
    "paper-preflight",
    "mcp"
  ]
}

Run with uv, no install needed

{
  "command": "uvx",
  "args": [
    "--from",
    "paper-preflight[mcp]",
    "paper-preflight",
    "mcp"
  ]
}

Description

paper-preflight is a pre-submission integrity gate for LaTeX papers, exposed to coding agents over MCP. It reads your .tex and .bib files and checks each cited work against real scholarly records from Crossref, dblp, arXiv, DataCite, PubMed and OpenAlex (plus Semantic Scholar with a key, and GitHub, PyPI, Hugging Face and others for software and datasets).

It answers four questions per reference: does the work exist, does it match what you wrote, has it been retracted, and has the cited preprint since been published. When it cannot tell, it says so rather than guessing, which keeps false accusations out of the verdicts.

The read-only tools are preflight_check, preflight_bib_lookup (BibTeX built from the registry record), preflight_bib_fix (proposes a unified diff without writing), preflight_cited_passages and preflight_explain. Paths outside the workspace root are refused. Python 3.11-3.14, MIT licensed, runs without installation via uvx; a Claude Code plugin bundles the server with a skill.

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