mutmut-report
Triages surviving mutmut mutants and reports the test fixes worth making. Use when the user asks which mutants survived. Not for running mutmut or coverage (coverage-gaps).
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Excerpt from the author’s documentation
Extracted from a fixed version of SKILL.md in its original language. This is the author’s documentation; installation, compatibility and runtime results have not been verified by this site.
Read the original English text
Topics in the source
- mutmut Survivors Report
- Step 1 — Run the script
- Step 2 — Report
Runs the analysis script against a project's existing mutants/ workspace and reports which surviving mutants are real test gaps and which are safe to accept. CANARY: mutmut-report-loaded-2026-06-02-87a56d2e-e3c5c50abfce45f3 Run it from the directory where mutmut run was executed (cd there first if it is another checkout), since it reads mutants/ from the current directory. $ARGUMENTS is forwarded verbatim — --module validate, --max 20, --venv .venv. 1. Modules with real gaps, and how many. 2. For each real gap, the fix: a tighter assertion or a missing case. 3. Equivalent and untestable mutants, confirmed as accepted in one line. 4. The top 2–3 fixes to make next.
- Source repository
- nuncaeslupus/claude-arsenal
- Source file
- plugins/core/skills/mutmut-report/SKILL.md
- Fixed revision
- 92c679944241546ba24d51f55611c979fc0cd804
Sources and evidence
This record was collected automatically. Its documentation, suitability and runtime behavior have not been manually verified.
Author: nuncaeslupus/claude-arsenal · original repository metadata. Documentation review: Not reviewed. Last source check: 2026-11-10T12:01:36.794Z.
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License and attribution
MIT. Third-party content and copyright remain with their authors. Refer to the original license and terms.
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