# Claim Verification

> Claim Verification

- Skill: `lubochka/claim-verification-3` (Agent Skill)
- Install (CLI): `npx skillmds@latest add lubochka/claim-verification-3`
- Raw SKILL.md: https://api.skillmd.com/api/skills/lubochka/claim-verification-3/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: lubochka (https://skillmd.com/u/lubochka)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/lubochka/claim-verification-3

---

# Claim Verification

## Purpose
Verify claims before presenting them as facts.

## When to Use
Use in final answers, reports, reviews, and architecture decisions.

## Inputs
Source files, command outputs, docs, test results, assumptions.

## Steps
1. Split statements into facts and assumptions.
2. Verify facts against source material.
3. Mark assumptions clearly.
4. Remove unsupported certainty.

## Gates
Important claims are verified or labeled as inference.

## Evidence
References to files, checks, or explicit assumptions.

## Anti-Patterns
Confident summaries based on memory.

## Related
`evidence-before-final`, `output-readability-gate`