Os Skill Improvement

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

type:generator

Continuously improves an existing agent skill based on eval results using the RED-GREEN-REFACTOR cycle. Apply when a skill's routing accuracy is low, trigger descriptions need sharpening, or os-eval-runner scores are below target. (1) run a RED baseline to observe the failure mode, (2) apply a focused patch and verify with os-eval-runner (GREEN), (3) refactor to close loopholes until score meets threshold. Integrates with os-eval-runner as the objective eval gate. NOT for scaffolding new skills — use create-skill (agent-scaffolders) for that.

What this skill does

Os Skill Improvement 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/os-skill-improvement/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Os Skill Improvement 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/os-skill-improvement
curl -L https://claudskills.com/skills/os-skill-improvement/SKILL.md \
  -o ~/.claude/skills/os-skill-improvement/SKILL.md

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

Skills live at ~/.claude/skills/os-skill-improvement/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\os-skill-improvement\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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