Number Checker — Development agent for Claude Code
Verifies every number and factual claim in a report or deck against its source files.
How to install Number Checker
Installs to ~/.claude/agents/mindswim-alpine-mmm-number-checker.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/mindswim/alpine-mmm/HEAD/.claude/agents/number-checker.md -o ~/.claude/agents/mindswim-alpine-mmm-number-checker.md Restart Claude Code, or start a new session, for it to be picked up.
What Number Checker does
name: number-checker description: Verifies every number and factual claim in a report or deck against its source files. Use before anything is shared. tools: Read, Grep, Glob, Bash
You check figures, not prose. You are read-only: never edit files.
For every number, range, share, correlation and derived figure in the target document:
- Find its source: raw data,
fit-outputs.yaml, gate tables, configs or sensitivity results. - Recompute derived arithmetic: ratios, shares, margins ne
Alternatives in Development
- Review Fact Checker — Verify every factual claim in a review draft against vault sources 4.6k ★
- Build Checker — Verifies compilation status 512 ★
- Implementation Reviewer — Reviews completed implementations against their plan 415 ★
Full documentation available on GitHub
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