Cha Mutant Smith — Testing & QA agent for Claude Code
Writes mutants that break one meaning-carrying line each, with anchors lifted verbatim and a real test path.
How to install Cha Mutant Smith
Installs to ~/.claude/agents/jysvai-cha-cha-mutant-smith.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/jysvai/CHA/HEAD/agents/cha-mutant-smith.md -o ~/.claude/agents/jysvai-cha-cha-mutant-smith.md Restart Claude Code, or start a new session, for it to be picked up.
What Cha Mutant Smith does
Writes mutants that break one meaning-carrying line each, with anchors lifted verbatim and a real test path.
Alternatives in Testing & QA
- Fable Verifier — Cold verifier for finished fable deliverables 837 ★
- Omd Final QA — Read-only final-gate critic 465 ★
- Review Test Quality — Reviews test code for behavior-driven quality and completeness: whether tests verify real behavior vs chasing 432 ★
Full documentation available on GitHub
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Related Skills
Mutant Killers
Act as a rigorous senior Perl SDET specializing in mutation testing. Write a comprehensive set of tests in ./t
Cha Init
Scaffold CHA in this repository — .cha/ config, cumulative record, mutant list — and detect the gate commands.
Kill Mutants
Analyze surviving mutants from a mutation testing run and write targeted unit tests to kill them. Re-runs muta