SCRIPTMASTERLABS — ClaimGate

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "scriptmasterlabs-claimgate": {
      "type": "http",
      "url": "https://claimgate.onrender.com/mcp"
    }
  }
}

5 tools

• fact_check_claim

  PAID tool ($0.25 USDC via x402, Base). Fact-check a claim against live web sources: the claim is decomposed into sub-claims, sources are fetched live, Jev jurors judge per-source-family entailment with verbatim-quote evidence that must pass an anti-hallucination substring gate…

• fact_check_preview

  Free preview: decompose a claim into sub-claims, fetch the sources live (or search for them), classify each source and group sources into independent families, and show exactly what a paid fact_check_claim would check. No verdict, no jury calls, no payment.

• fact_check_status

  Check whether ClaimGate is live, whether the Jev jury is configured, which x402 facilitator is selected, how many receipts are stored, and the paid-check price.

• fact_check_methodology

  The full public ClaimGate methodology: coherence formula, source-class weights, verdict thresholds, the anti-hallucination verbatim-quote gate, family independence rules, and honest limits. calibrated:false — thresholds are stated, not fitted.

• fact_check_receipt

  Fetch a stored ClaimGate receipt by receipt_id (the sealed record of a paid fact check: sub-claims, sources, per-family verdicts with validated verbatim quotes, coherence, verdict, and payment).

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