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Claim Verification and Evidence Grading

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The prompt

Audit the following claims before publication: CLAIMS: [paste] CONTEXT: [advertisement, deck, research report, website, etc.] JURISDICTION: [location] SUPPORTING SOURCES: [links/files] AS-OF DATE: [date] For each claim: 1. Rewrite it as one testable proposition. 2. Classify it: factual, comparative, forecast, opinion or implied promise. 3. Identify the best primary evidence and its date. 4. Assess evidence quality: strong, moderate, weak or absent. 5. Give a conclusion: supported, partly supported, unsupported, outdated or not independently verifiable. 6. State confidence and conflicting evidence. 7. Propose the narrowest accurate replacement wording. Pay special attention to "best," "largest," guaranteed returns, travel time, price, inventory, market share, performance and future-completion claims. Do not treat repetition across websites as independent corroboration. Never convert an estimate into a fact. End with a red-flag list requiring legal or subject-matter review.

Why this prompt

• Hand-picked, editorially reviewed prompt
• Written for Claude, Gemini

Source & licence

• Original source: github.com ↗
• Author / dataset: Uploaded
• Licence: MIT
• Adapted: Imported unmodified.
• Imported: 2026-09

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