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fallow-mutation

82 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By fallow-rs/fallow-skills (GitHub) · coding · 137 stars · scanned at commit 3776ea7

Mutation testing for TypeScript and JavaScript with `fallow mutation`. Use when asked to improve, strengthen or check the tests of a change, a PR, a branch or a file, to check whether a test can fail at all, to find behavior that the tests do not protect, to find redundant tests, to check that a change of the tests did not weaken them, to gate a mutation score, or to run fallow mutation. Do not use to raise line coverage, to write one requested test, or to fix a failing test. Do not use for Rus…

Works with any agent that supports SKILL.md skills.

What this skill can do

Other copies in this repository

fallow-rs/fallow-skills has 1 more folder with a skill named fallow-mutation. This page shows the lowest-scoring copy.

• claude-directory/fallow/skills/fallow-mutation 97/100 · Low risk

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'fallow-mutation' ] || [ -L ~/.agents/skills/'fallow-mutation' ]; then echo 'A skill folder named fallow-mutation already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/fallow-rs/fallow-skills' "$d" && git -C "$d" checkout --quiet '3776ea75498562c5d1ab95f137bb4d1eea9de43a' -- 'fallow/skills/fallow-mutation' && mkdir -p ~/.agents/skills && cp -R "$d"/'fallow/skills/fallow-mutation' ~/.agents/skills/'fallow-mutation' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'fallow-mutation' ~/.claude/skills/'fallow-mutation' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

Badge for your README

The badge for fallow-rs/fallow-skills shows the score of its lowest-scoring skill.

[![SkillTrust](https://zalavijaysinh.github.io/skilltrust/badges/fallow-rs/fallow-skills.svg)](https://zalavijaysinh.github.io/skilltrust/repos/fallow-rs/fallow-skills/)

Score history