Ninja

Quality score: 70/100 · Category: Dev Tools · Sub-category: scaffolders

type:generatortype:debug

Ninja build system skill. Use when diagnosing Ninja build failures, understanding Ninja's role as a low-level build executor generated by CMake or other meta-build systems, tuning parallelism, interpreting Ninja output, or working with build.ninja files. Activates on queries about ninja errors, ninja parallelism, ninja verbose output, build.ninja format, or ninja as a CMake generator.

What this skill does

Ninja is a production-ready Claude Code skill (quality score 70/100) in the scaffolders sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/ninja/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when diagnosing Ninja build failures, understanding Ninja's role as a low-level build executor generated by CMake or other meta-build systems, tuning parallelism, interpreting Ninja output, or working with build.ninja files.

Who uses this skill

The Ninja skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/ninja
curl -L https://claudskills.com/skills/ninja/SKILL.md \
  -o ~/.claude/skills/ninja/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/ninja/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/ninja/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\ninja\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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