principle-subtract-before-you-add
100 / 100 · Low risk
Fine to try.
Use when planning the order of an addition, refactor, or rewrite. Clear out dead code and redundancy before building, so the system ends up simpler and no less capable, with a surface the same size or smaller.
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/'principle-subtract-before-you-add' ] || [ -L ~/.agents/skills/'principle-subtract-before-you-add' ]; then echo 'A skill folder named principle-subtract-before-you-add already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/hashgraph-online/awesome-codex-plugins' "$d" && git -C "$d" checkout --quiet '70b6a3a3a7c774671e45af646306e1448baf0511' -- 'plugins/requie/endostack/skills/principle-subtract-before-you-add' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/requie/endostack/skills/principle-subtract-before-you-add' ~/.agents/skills/'principle-subtract-before-you-add' && 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/'principle-subtract-before-you-add' ~/.claude/skills/'principle-subtract-before-you-add' (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
[](https://zalavijaysinh.github.io/skilltrust/repos/hashgraph-online/awesome-codex-plugins/)
Score history
| Date | Version | Score |
|---|---|---|
| 2026-11-14 | 70b6a3a | 100 |
| 2026-11-13 | 3e1e6b2 | 100 |
| 2026-11-12 | 6d2e63f | 100 |
| 2026-11-11 | 4070676 | 100 |
| 2026-11-10 | f620aba | 100 |
| 2026-11-09 | 3062ea3 | 100 |
| 2026-11-08 | 057d789 | 100 |
| 2026-11-06 | e012fe1 | 45 |