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Citation Check

io.github.SecondStageTurbine/citation-check · v1.0.0

Does a cited URL exist, and does the source name what your claim names? Two answers.

Connect Remote server

Terminal
claude mcp add --transport http citation-check https://exmachina-ai.fly.dev/verify
~/.cursor/mcp.json
{
  "mcpServers": {
    "citation-check": {
      "url": "https://exmachina-ai.fly.dev/verify"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "citation-check": {
      "type": "http",
      "url": "https://exmachina-ai.fly.dev/verify"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://exmachina-ai.fly.dev/verify

Tools 2 found in our last check

  • check_citation

    Fetch a URL and report whether it exists, and whether the source names the same entity as the claim you attach to it. These are two different questions and conflating them is the failure this exists to catch: a URL can return 200 and describe a different gene entirely. No accoun…

  • verdict_meanings

    The exact semantics of every status and relevance value, including what this checker cannot determine. Read once before trusting a verdict.

Details

Endpointhttps://exmachina-ai.fly.dev/verify (Streamable HTTP)
First published14 Aug 2026
Last updated14 Aug 2026
Registry nameio.github.SecondStageTurbine/citation-check

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