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invariants-and-non-goals

100 / 100 · Low risk

Fine to try.

By Mozurok/fhorja.dev (GitHub) · coding · 10 stars · scanned at commit 1abe596

Identify the invariants, non-goals, and forbidden changes for the task and persist them, locking implementation boundaries before planning or coding. Use when impact analysis is done or mostly clear and the task may touch sensitive behavior, contracts, schema, or runtime. Do not use when the task is too unclear, facts missing (use targeted-questions), or boundaries are locked.

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/'invariants-and-non-goals' ] || [ -L ~/.agents/skills/'invariants-and-non-goals' ]; then echo 'A skill folder named invariants-and-non-goals already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/Mozurok/fhorja.dev' "$d" && git -C "$d" checkout --quiet '1abe596aff3cd974459118b57ecd631a69ea34f0' -- '.claude/skills/invariants-and-non-goals' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/invariants-and-non-goals' ~/.agents/skills/'invariants-and-non-goals' && 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/'invariants-and-non-goals' ~/.claude/skills/'invariants-and-non-goals' (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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