JHamidun

Book Fact Checker — Development agent for Claude Code

Development community

Fact-checks non-fiction book chapters by verifying every number, name, quote, and citation against primary sources via WebFetch/WebSearch.

How to install Book Fact Checker

Installs to ~/.claude/agents/jhamidun-claude-code-config-pack-book-fact-checker.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/JHamidun/claude-code-config-pack/HEAD/.claude/agents/book-fact-checker.md -o ~/.claude/agents/jhamidun-claude-code-config-pack-book-fact-checker.md

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

What Book Fact Checker does

name: book-fact-checker description: Fact-checks non-fiction book chapters by verifying every number, name, quote, and citation against primary sources via WebFetch/WebSearch. Separates UNKNOWN (requires author confirmation — internal/private data that cannot be web-verified) from VERIFIED (open-source verifiable) and FAIL/CRITICAL (contradicted by the primary source). Produces a CRITICAL/WARNING/VERIFIED/UNKNOWN structured report. Use after each major book/manuscript version before publicat

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