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SkillCheck-Free

제작: olgasafonova · olgasafonova/SkillCheck-Free

Validates Claude Code skills against the open agentskills spec — structure, body, naming, semantics, quality patterns — Critical / Warning / Suggestion.

olgasafonova/SkillCheck-Free is a spec-compliance linter for Agent Skills. Free tier covers: 1.x Structure (YAML frontmatter, name validity, description quality, XML injection), 2.x Body (length, hardcoded dates, empty sections, unqualified MCP refs), 3.x Naming (generic names, verb-noun), 4.x Semantic (conflicting instructions, vague terms, unspecified outputs), 8.x Quality patterns (examples, error handling, triggers), 19.x Design pattern classification, 22.x Knowledge density. Severity tiers: Critical / Warning / Suggestion / Strength.

왜 쓰나요

핵심 기능

라이브 데모

실제 사용 모습

skillcheck-free-skill.replay ▶ 준비됨
0/0

설치

클라이언트 선택

~/Library/Application Support/Claude/claude_desktop_config.json  · Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "skillcheck-free-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/olgasafonova/SkillCheck-Free",
        "~/.claude/skills/SkillCheck-Free"
      ],
      "_inferred": true
    }
  }
}

Claude Desktop → Settings → Developer → Edit Config 열기. 저장 후 앱 재시작.

~/.cursor/mcp.json · .cursor/mcp.json
{
  "mcpServers": {
    "skillcheck-free-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/olgasafonova/SkillCheck-Free",
        "~/.claude/skills/SkillCheck-Free"
      ],
      "_inferred": true
    }
  }
}

Cursor는 Claude Desktop과 동일한 mcpServers 스키마 사용. 프로젝트 설정이 전역보다 우선.

VS Code → Cline → MCP Servers → Edit
{
  "mcpServers": {
    "skillcheck-free-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/olgasafonova/SkillCheck-Free",
        "~/.claude/skills/SkillCheck-Free"
      ],
      "_inferred": true
    }
  }
}

Cline 사이드바의 MCP Servers 아이콘 클릭 후 "Edit Configuration" 선택.

~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "skillcheck-free-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/olgasafonova/SkillCheck-Free",
        "~/.claude/skills/SkillCheck-Free"
      ],
      "_inferred": true
    }
  }
}

Claude Desktop과 같은 형식. Windsurf 재시작 후 적용.

~/.continue/config.json
{
  "mcpServers": [
    {
      "name": "skillcheck-free-skill",
      "command": "git",
      "args": [
        "clone",
        "https://github.com/olgasafonova/SkillCheck-Free",
        "~/.claude/skills/SkillCheck-Free"
      ]
    }
  ]
}

Continue는 맵이 아닌 서버 오브젝트 배열 사용.

~/.config/zed/settings.json
{
  "context_servers": {
    "skillcheck-free-skill": {
      "command": {
        "path": "git",
        "args": [
          "clone",
          "https://github.com/olgasafonova/SkillCheck-Free",
          "~/.claude/skills/SkillCheck-Free"
        ]
      }
    }
  }
}

context_servers에 추가. 저장 시 Zed가 핫 리로드.

claude mcp add skillcheck-free-skill -- git clone https://github.com/olgasafonova/SkillCheck-Free ~/.claude/skills/SkillCheck-Free

한 줄 명령. claude mcp list로 확인, claude mcp remove로 제거.

사용 사례

실전 활용법: SkillCheck-Free

Validate your skill before publishing it to a catalog

👤 Skill authors ⏱ ~20 min beginner

언제 쓸까: Before opening a PR to awesome-claude-skills or anthropics/skills.

사전 조건
  • Skill cloned — git clone https://github.com/olgasafonova/SkillCheck-Free ~/.claude/skills/SkillCheck-Free
흐름
  1. Run SkillCheck on your SKILL.md
    Use SkillCheck-Free — validate ~/my-skill/SKILL.md against the agentskills spec.✓ 복사됨
    → Per-rule findings with severities
  2. Fix Critical issues
    Walk me through each Critical finding and propose a fix.✓ 복사됨
    → Concrete edits, not 'improve clarity'
  3. Re-run until clean
    Re-validate. Anything still Critical or Warning?✓ 복사됨
    → Progress toward zero Critical

결과: A skill that won't be rejected for trivial spec violations.

함정
  • Chasing every Suggestion — Suggestions are aspirational; Critical + Warning is the bar for most catalogs

Audit every skill you've installed for quality concerns

👤 Skill hoarders who want to prune ⏱ ~30 min intermediate

언제 쓸까: You installed 20 skills and aren't sure which ones are well-made.

흐름
  1. Batch validate
    SkillCheck-Free — run validation across every SKILL.md under ~/.claude/skills/. Rank by Critical count.✓ 복사됨
    → Per-skill report with priorities
  2. Decide what to keep
    Which skills have persistent Critical issues I should uninstall?✓ 복사됨
    → Prioritized uninstall candidates

결과: A leaner, higher-quality skill collection.

조합

다른 MCP와 조합해 10배 효율

skillcheck-free-skill + skills-skill-8

Cross-check: SkillCheck validates spec, huangwb8/auto-test-skill tests robustness

Run SkillCheck first for spec issues, then auto-test-skill for design weaknesses.✓ 복사됨
skillcheck-free-skill + awesome-claude-skill-2

Validate before submitting your skill to the catalog

SkillCheck my SKILL.md, then if clean, draft the awesome-claude-skills PR.✓ 복사됨

도구

이 MCP가 노출하는 것

도구입력언제 호출비용
validate_skill path to SKILL.md Pre-publish or post-install 0
classify_pattern skill body Understanding how a skill fits your collection 0
batch_validate directory of skills Fleet-wide audit 0

비용 및 제한

운영 비용

API 쿼터
None
호출당 토큰
Small — typical SKILL.md is <10k tokens
금액
Free tier only; Pro tier exists for deeper pattern validation
Free tier is sufficient for most authoring — upgrade only if you publish commercially.

보안

권한, 시크릿, 파급범위

자격 증명 저장: No credentials — pure prompts
데이터 외부 송신: None — validation is local

문제 해결

자주 발생하는 오류와 해결

Skill not invoked — Claude gives generic review

Say 'use SkillCheck-Free' explicitly.

확인: ls ~/.claude/skills/SkillCheck-Free/SKILL.md
SKILL.md frontmatter wrong in target skill

Expected — that's the finding SkillCheck exists to surface. Fix the frontmatter and re-run.

확인: head <target>/SKILL.md
Wrong trigger keywords — SkillCheck runs but misses severity tier

Ask explicitly for 'severity-tiered output'; default may compress.

대안

SkillCheck-Free 다른 것과 비교

대안언제 쓰나단점/장점
skills-skill-8 auto-test-skillYou want design robustness testing, not spec complianceComplementary — run both
Manual reviewYou've written many skills and have internalized the specNo machine backstop for subtle issues

더 보기

리소스

📖 GitHub에서 공식 README 읽기

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