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SkillCheck-Free

作者 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.

為什麼要用

核心特性

即時演示

實際使用效果

skillcheck-free-skill.replay ▶ 就緒
0/0

安裝

選擇你的客戶端

~/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
    }
  }
}

開啟 Claude Desktop → Settings → Developer → Edit Config。儲存後重啟應用。

~/.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
    }
  }
}

Cursor 使用與 Claude Desktop 相同的 mcpServers 格式。專案級設定優先於全域。

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
    }
  }
}

點擊 Cline 側欄中的 MCP Servers 圖示,然後選 "Edit Configuration"。

~/.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
    }
  }
}

格式與 Claude Desktop 相同。重啟 Windsurf 生效。

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

Continue 使用伺服器物件陣列,而非映射。

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

加入 context_servers。Zed 儲存後熱重載。

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

一行命令搞定。用 claude mcp list 驗證,claude mcp remove 移除。

使用場景

實戰用法: SkillCheck-Free

Validate your skill before publishing it to a catalog

👤 Skill authors ⏱ ~20 min beginner

何時使用: Before opening a PR to awesome-claude-skills or anthropics/skills.

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

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

注意事項
  • 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

何時使用: You installed 20 skills and aren't sure which ones are well-made.

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

結果: A leaner, higher-quality skill collection.

組合

與其他 MCP 搭配,撬動十倍槓桿

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.✓ 已複製
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.✓ 已複製

工具

此 MCP 暴露的能力

工具輸入參數何時呼叫成本
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

成本與限制

運行它的成本

API 配額
None
每次呼叫 Token 數
Small — typical SKILL.md is <10k tokens
費用
Free tier only; Pro tier exists for deeper pattern validation
提示
Free tier is sufficient for most authoring — upgrade only if you publish commercially.

安全

權限、密鑰、影響範圍

憑證儲存: No credentials — pure prompts
資料出站: None — validation is local

故障排查

常見錯誤與修復

Skill not invoked — Claude gives generic review

Say 'use SkillCheck-Free' explicitly.

驗證: 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.

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

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

替代方案

SkillCheck-Free 對比其他方案

替代方案何時用它替代權衡
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

更多

資源

📖 閱讀 GitHub 上的官方 README

🐙 查看未解決的 issue

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