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test-harness

85 / 100 · Low risk

Fine to try.

By phuryn/product-engineering (GitHub) · coding · 586 stars · scanned at commit 50ee90f

Writing or running tests, proving a fix, a red or flaky run, a fix that didn't land, 'is it verified', 'run the gate': tests where green means something.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'test-harness' ] || [ -L ~/.agents/skills/'test-harness' ]; then echo 'A skill folder named test-harness already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/phuryn/product-engineering' "$d" && git -C "$d" checkout --quiet '50ee90fe47b538a0522b7fd35972f52b200f4515' -- 'ai-shipping/skills/test-harness' && mkdir -p ~/.agents/skills && cp -R "$d"/'ai-shipping/skills/test-harness' ~/.agents/skills/'test-harness' && 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/'test-harness' ~/.claude/skills/'test-harness' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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