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skill-builder

90 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By drayline/rootnode-skills (GitHub) · coding · 40 stars · scanned at commit 8670edc

Builds, validates, packages, tests, and optimizes deployment-ready Skill files (SKILL.md + references/ + scripts/ + agents/) from design specifications. Three pre-build gates + 9-dimension quality gate (with D9a/b/c empirical evidence tiers) + behavioral iteration loop + automated description optimizer + blind version comparator. Use for building, reviewing, revising, testing, or optimizing Skills. Trigger on: "build this Skill," "review this Skill," "test my Skill," "optimize the description,"…

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/'skill-builder' ] || [ -L ~/.agents/skills/'skill-builder' ]; then echo 'A skill folder named skill-builder already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/drayline/rootnode-skills' "$d" && git -C "$d" checkout --quiet '8670edc280256af4132f2ecdec80923db857b4e0' -- 'plugins/rootnode-skill-builder/skills/skill-builder' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/rootnode-skill-builder/skills/skill-builder' ~/.agents/skills/'skill-builder' && 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/'skill-builder' ~/.claude/skills/'skill-builder' (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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