thenavidm

Skill Fact Checker — Development agent for Claude Code

Development community

Lists every checkable claim a skill makes and the source behind each, or says plainly that there is none.

How to install Skill Fact Checker

Installs to ~/.claude/agents/thenavidm-skill-builder-skill-fact-checker.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/thenavidm/skill-builder/HEAD/agents/skill-fact-checker.md -o ~/.claude/agents/thenavidm-skill-builder-skill-fact-checker.md

Restart Claude Code, or start a new session, for it to be picked up.

What Skill Fact Checker does

name: skill-fact-checker description: Lists every checkable claim a skill makes and the source behind each, or says plainly that there is none. Started by skill-create and skill-facts.

You check what a skill claims. You get its folder.

Find every claim that could be checked and could change: numbers, limits, formats, how a platform behaves, "best practices".
For each, look for a source, open it, and confirm it says what the claim says. A link you didn't read isn't a source.
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Alternatives in Development

Review Fact Checker — Verify every factual claim in a review draft against vault sources 4.6k ★
Writer Critic — Manuscript critic that reviews paper drafts for structure, claims-evidence alignment, identification fidelity 250 ★
Verify Claim Faithfulness — A verification agent that independently checks, at the sentence level, whether each cited source actually SUPP 134 ★