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validate

95 / 100 · Low risk

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

By melodic-software/claude-code-plugins (GitHub) · coding · 30 stars · scanned at commit 677e798

Statically validate a `claude plugin eval` suite (`prompt.md`, `case.yaml`, `graders/*.md`) before any run spends money: FAIL for what the binary rejects at load, WARN for documented authoring mistakes, and an offline check of each deterministic grader against the case's sample answers. Use when: 'validate my eval cases', 'check my eval suite', 'will this suite load', 'lint case.yaml', 'check my graders', 'why did my case fail to load', or before paying for a run. Not for the skill-creator JSON…

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/'validate' ] || [ -L ~/.agents/skills/'validate' ]; then echo 'A skill folder named validate already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/melodic-software/claude-code-plugins' "$d" && git -C "$d" checkout --quiet '677e7988f432dacb5e2d4df2b124f96da8e8f9f3' -- 'plugins/evals/skills/validate' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/evals/skills/validate' ~/.agents/skills/'validate' && 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/'validate' ~/.claude/skills/'validate' (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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