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Found 4 Skills
Systematic fact verification and misinformation identification using evidence-based analysis. Use when: verifying claims, checking facts, identifying misinformation, evaluating source credibility, or when user asks to "fact check", "verify", "is this true", or mentions claims that need validation.
Grade a delivered claim against the artifact instead of against the report of the artifact. Use when acting as a verifier or reviewer on someone else's finished work, checking whether a fix actually landed, confirming a task's done result is true, auditing a claim that has no diff to read — a backfill, a migration, a deploy, a config change — or self-auditing your own claim before you publish it. Covers splitting a claim into checkable assertions, the three-state verdict (pass, fail, not-reached), and the specific failure modes that survive a careless check. Keywords verify, verification, grade, verdict, acceptance, prove it, did it actually work, confirm the fix, check the claim, QA sign-off.
Prove a claim of done, fixed, or passing by running the commands and reading the output before making it. Use before claiming work is complete, fixed, or tested, and before committing or opening a PR.
Use when a factual claim lacks evidence, when called out for fabricating facts, or when a statement needs verification before being presented as true. Takes a claim as argument.