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maintain-formal-verification-skill

100 / 100 · Low risk

Fine to try.

By jsartisan/frontend-challenges (GitHub) · coding · 90 stars · scanned at commit 630c44b

Bring a project's formal verification back in line with the code after the code changes: find the commits that touched verified code, update the model, harness, or properties to describe the code as it is now, rerun, and say whether each failure is drift in the verification or a bug in the code. Use for /maintain-formal-verification-skill, "is the model still true to the code", or after merges and refactors that touched verified code without rechecking it.

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/'maintain-formal-verification-skill' ] || [ -L ~/.agents/skills/'maintain-formal-verification-skill' ]; then echo 'A skill folder named maintain-formal-verification-skill already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/jsartisan/frontend-challenges' "$d" && git -C "$d" checkout --quiet '630c44b299f1467e789d561da3785cfd99247ed0' -- '.claude/skills/maintain-formal-verification-skill' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/maintain-formal-verification-skill' ~/.agents/skills/'maintain-formal-verification-skill' && 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/'maintain-formal-verification-skill' ~/.claude/skills/'maintain-formal-verification-skill' (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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