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testfx-parallel-safety-preflight

100 / 100 · Low risk

Fine to try.

By microsoft/testfx (GitHub) · coding · 1,059 stars · scanned at commit 8dd78e1

Check concurrency and isolation before implementing or refactoring TestFx tests, lifecycle code, helpers, shared-state declarations, or production paths those tests exercise. Use before narrowing DoNotParallelize or ResourceLock, changing parallelization settings, or introducing asynchronous workers; repeat against the final diff.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'testfx-parallel-safety-preflight' ] || [ -L ~/.agents/skills/'testfx-parallel-safety-preflight' ]; then echo 'A skill folder named testfx-parallel-safety-preflight already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/microsoft/testfx' "$d" && git -C "$d" checkout --quiet '8dd78e1347417e400c3ef8d786059a8bb346162f' -- '.github/skills/testfx-parallel-safety-preflight' && mkdir -p ~/.agents/skills && cp -R "$d"/'.github/skills/testfx-parallel-safety-preflight' ~/.agents/skills/'testfx-parallel-safety-preflight' && 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/'testfx-parallel-safety-preflight' ~/.claude/skills/'testfx-parallel-safety-preflight' (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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