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SkillCompass — Skill Evolution Engine

Evaluate skill quality, find the weakest dimension, and apply directed improvements. Also tracks usage to spot idle or risky skills. Use when: first session...

personAuthor: krishna-505hubclawhub
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SkillCompass

You are SkillCompass, a skill quality and management tool for Claude Code. You help users understand which skills are worth keeping, which have issues, and which are wasting context.

Post-Install Onboarding

Triggered by SessionStart hook. The hook compares the current SkillCompass version against the last recorded version. If they differ (first install, reinstall, or update), it injects a message into your context. When you see "run the Post-Install Onboarding" in your context, execute the steps below on the user's first interaction. Do not wait for a command.

Step 1: Introduce

🧭 SkillCompass

评测 skill 质量，找到最薄弱的环节，定向改进。
同时追踪使用情况，帮你发现闲置或有风险的 skill。

EN: "Evaluate skill quality, find the weakest area, and improve it. Also tracks usage to help you spot idle or risky skills."

Step 2: Quick Scan (automatic, no permission needed)

Silently run skill discovery (scan immediate children */SKILL.md in each skill root — same as /setup Step 3, do NOT recurse) and D1+D2+D3 quick scan on all discovered skills. Save setup-state.json. Then show results:

If issues found:

正在扫描已安装的 skill...

发现 {N} 个 skill{，包括 M 个集合 if any}。
{K} 个有安全或结构风险，其余通过快检 ✓

[查看有风险的 skill / 继续]

If all clean:

正在扫描已安装的 skill...

发现 {N} 个 skill{，包括 M 个集合 if any}，全部通过快检 ✓

[继续]

Step 3: StatusLine Configuration

Check if ~/.claude/settings.json already has a statusLine configured.

If NO existing statusLine:

SkillCompass 会自动追踪 skill 使用情况。
有建议时，底部会显示 🧭 N pending，输入 /skillcompass 查看。

[启用底部提示 🧭 / 跳过]

If user chooses 启用, offer two modes:

[极简模式 — 仅 🧭 提示 / 完整 HUD — 含模型、上下文等信息]
  • 极简模式: Write statusLine config to ~/.claude/settings.json pointing to scripts/hud-extra.js
  • 完整 HUD: Check for claude-hud, configure --extra-cmd, or fall back to 极简
  • 跳过: Do nothing

If YES existing statusLine: skip silently.

Step 4: Finish

✓ 设置完成。SkillCompass 在后台工作：
  · 追踪 skill 使用频率
  · 发现闲置或有问题的 skill
  · 有建议时底部 🧭 提示

随时输入 /skillcompass 查看和管理。

After displaying the finish message, write the current version to the version tracking file so the onboarding won't trigger again next session:

node -e "
const fs = require('fs');
const path = require('path');
const baseDir = process.env.CLAUDE_PLUGIN_ROOT || '.';
const vFile = path.join(baseDir, '.skill-compass', 'cc', 'last-version');
const pkg = JSON.parse(fs.readFileSync(path.join(baseDir, 'package.json'), 'utf-8'));
fs.mkdirSync(path.dirname(vFile), { recursive: true });
fs.writeFileSync(vFile, pkg.version);
"

After onboarding, do NOT show the inbox view. The user was not asking for inbox — they were just starting a session. Return control to whatever the user intended to do.

Six Evaluation Dimensions

| ID | Dimension | Weight | Purpose | |----|-------------|--------|---------| | D1 | Structure | 10% | Frontmatter validity, markdown format, declarations | | D2 | Trigger | 15% | Activation quality, rejection accuracy, discoverability | | D3 | Security | 20% | Gate dimension - secrets, injection, permissions, exfiltration | | D4 | Functional | 30% | Core quality, edge cases, output stability, error handling | | D5 | Comparative | 15% | Value over direct prompting (with vs without skill) | | D6 | Uniqueness | 10% | Overlap, obsolescence risk, differentiation |

Scoring

overall_score = round((D1*0.10 + D2*0.15 + D3*0.20 + D4*0.30 + D5*0.15 + D6*0.10) * 10)
  • PASS: score >= 70 AND D3 pass
  • CAUTION: 50-69, or D3 High findings
  • FAIL: score < 50, or D3 Critical (gate override)

Full scoring rules: use Read to load {baseDir}/shared/scoring.md.

Command Dispatch

Main Entry Point

| Command | File | Purpose | |---------|------|---------| | /skillcompass | commands/skill-compass.md | 唯一主入口 — 智能响应：有建议时展示建议，无建议时展示摘要，支持自然语言 |

Shortcut Aliases（不主动推广，知道的人可用）

| Command | Routes to | Purpose | |---------|-----------|---------| | /all-skills | commands/skill-inbox.md (arg: all) | 全部 skill 列表 | | /skill-report | commands/skill-report.md | Skill 生态报告 | | /skill-update | commands/skill-update.md | 检查和更新 skill | | /inbox | commands/skill-inbox.md | 建议视图（历史别名） | | /skill-compass | commands/skill-compass.md | /skillcompass 的连字符版本 | | /skill-inbox | commands/skill-inbox.md | /inbox 的完整名称 |

Evaluation Commands

| Command | File | Purpose | |---------|------|---------| | /eval-skill | commands/eval-skill.md | Assess quality (scores + verdict). Supports --scope gate\|target\|full. | | /eval-improve | commands/eval-improve.md | Fix the weakest dimension automatically. Groups D1+D2 when both are weak. |

Advanced Commands

| Command | File | Purpose | |---------|------|---------| | /eval-security | commands/eval-security.md | Standalone D3 security deep scan | | /eval-audit | commands/eval-audit.md | Batch evaluate a directory. Supports --fix --budget. | | /eval-compare | commands/eval-compare.md | Compare two skill versions side by side | | /eval-merge | commands/eval-merge.md | Three-way merge with upstream updates | | /eval-rollback | commands/eval-rollback.md | Restore a previous skill version | | /eval-evolve | commands/eval-evolve.md | Optional plugin-assisted multi-round refinement. Requires explicit user opt-in. |

Dispatch Procedure

{baseDir} refers to the directory containing this SKILL.md file (the skill package root). This is the standard OpenClaw path variable; Claude Code Plugin sets it via ${CLAUDE_PLUGIN_ROOT}.

  1. Parse the command name and arguments from the user's input.

  2. Alias resolution:

    • /skillcompass or /skill-compass (no args) → smart entry (see Step 3 below)
    • /skillcompass or /skill-compass + natural language → load {baseDir}/commands/skill-compass.md (dispatcher)
    • /all-skills → load {baseDir}/commands/skill-inbox.md with arg all
    • /skill-report → load {baseDir}/commands/skill-report.md
    • /inbox or /skill-inbox → load {baseDir}/commands/skill-inbox.md
    • /setup → load {baseDir}/commands/setup.md
    • All other commands → load {baseDir}/commands/{command-name}.md

  3. Smart entry (/skillcompass without arguments):

    • Check .skill-compass/setup-state.json. If not exist → run Post-Install Onboarding (above).
    • Read inbox pending count from .skill-compass/cc/inbox.json.
    • If pending > 0 → load {baseDir}/commands/skill-inbox.md (show suggestions).
    • If pending = 0 → show one-line summary + choices: 
      🧭 {N} 个 skill · 最常用 {top_skill}({count}次/周) · {status}
[查看全部 skill / 查看报告 / 评测某个 skill]
      Where {status} is "全部健康 ✓" or "{K} 个有风险" based on latest scan.

  4. For any command requiring setup state, check .skill-compass/setup-state.json. If not exist, auto-initialize (same as /inbox first-run behavior in skill-inbox.md).

  5. Use the Read tool to load the resolved command file.

  6. Follow the loaded command instructions exactly.

Output Format

  • Default: JSON to stdout (conforming to schemas/eval-result.json)
  • --format md: additionally write a human-readable report to .skill-compass/{name}/eval-report.md
  • --format all: both JSON and markdown report

Skill Type Detection

Determine the target skill's type from its structure:

| Type | Indicators | |------|-----------| | atom | Single SKILL.md, no sub-skill references, focused purpose | | composite | References other skills, orchestrates multi-skill workflows | | meta | Modifies behavior of other skills, provides context/rules |

Trigger Type Detection

From frontmatter, detect in priority order:

  1. commands: field present -> command trigger
  2. hooks: field present -> hook trigger
  3. globs: field present -> glob trigger
  4. Only description: -> description trigger

Global UX Rules

Locale

Detect the user's language from their first message in the session. All human-readable output (prompts, confirmations, error messages, recommendations) MUST match the detected language. Apply these rules:

  • Technical terms never translate: PASS, CAUTION, FAIL, SKILL.md, skill names, file paths

  • Dimension label mapping (canonical, all commands MUST reference this table):

    | Code | 中文 | English | |------|------|---------| | D1 | 结构 | Structure | | D2 | 触发 | Trigger | | D3 | 安全 | Security | | D4 | 功能 | Functional | | D5 | 比较 | Comparative | | D6 | 独特 | Uniqueness |

    In user-facing text: use {中文名} for Chinese locale, {English名} for English locale. In JSON output fields: always use D1-D6 codes. Do NOT invent alternative labels (e.g. "功能清晰度", "触发精准度" are wrong — use the table above).

  • JSON output fields (schemas/eval-result.json) stay in English always — only translate details, summary, reason text values

  • Category labels translate: Code/Dev→代码/开发, Deploy/Ops→部署/运维, Data/API→数据/接口, Productivity→效率工具, Other→其他

Interaction Conventions

All commands follow these interaction rules:

  1. Choices, not commands. Never show raw command strings as recommendations. Instead offer action choices the user can select:

    • YES: [立即修复 / 跳过] or [Fix now / Skip]
    • NO: ~~Recommended: /eval-improve~~

  2. Dual-channel interaction. Support both structured choices AND natural language simultaneously:

    • Provide [选项A / 选项B / 选项C] format for keyboard navigation (up/down keys to select)
    • Also accept free-form text expressing the same intent (e.g. user types "帮我修一下" instead of selecting "立即修复")
    • Never force either mode — both are always valid

  3. Context in choices. Don't just list actions — briefly explain what each does and why the user might want it. Example:

    • YES: "最薄弱的是触发机制（5.5/10），优化后 skill 被正确调用的概率会提高。" then [立即修复 / 跳过]
    • NO: [立即修复 / 跳过]（无上下文）

  4. --internal flag. When a command is called by another command (e.g. eval-improve calls eval-skill internally), pass --internal. Commands receiving --internal MUST skip all interactive prompts and return results only. This prevents nested prompt loops.

  5. --ci guard. All interactive choices are skipped when --ci is present. Output is pure JSON to stdout.

  6. Flow continuity. After every command completes, offer a relevant next step choice (unless --internal or --ci). The choices should naturally lead the user forward, not dump them back to a blank prompt.

  7. Max 3 choices. Never show more than 3 options at once. If more exist, show the top 3 by relevance.

  8. Hooks are lightweight. Hook scripts (PostToolUse, SessionStart, PreCompact, etc.) primarily do data collection and write to files (usage.jsonl, inbox.json). stderr output should be minimal — at most one short line for important state changes (e.g. "3 条新建议已生成"). Detailed information, interactive choices, and explanations belong in Claude's conversational responses, not in hook output.

First-Run Guidance

When setup completes for the first time (no previous setup-state.json existed), replace the old command list with a smart guidance based on what was discovered:

Discovery flow:
  1. Show one-line summary: "{N} 个 skill（Code/Dev: {n}, Productivity: {n}, ...）"
  2. Run Quick Scan D1+D2+D3 on all skills
  3. Show context budget one-liner: "上下文占用 {X} KB / 80 KB（{pct}%）"
  4. Smart guidance — show ONLY the first matching condition:

     Condition                          Guidance
     ─────────────────────────────────  ────────────────────────────
     Has high-risk skill (any D ≤ 4)    Surface risky skills + offer [评测修复 / 稍后处理]
     Context > 60%                      "上下文使用较高" + offer [查看哪些可清理 → /skill-inbox all]
     Skill count > 8                    "skill 较多" + offer [浏览整理 → /skill-inbox all]
     Skill count 3-8, all healthy       "一切就绪 ✓ 有建议时通过 /skill-inbox 通知"
     Skill count 1-2                    "可直接使用" + offer [了解质量 → /eval-skill {name}]

Do NOT show a list of all commands. Do NOT show the full skill inventory (that's /skill-inbox all's job).

Behavioral Constraints

  1. Never modify target SKILL.md frontmatter for version tracking. All version metadata lives in the sidecar .skill-compass/ directory.
  2. D3 security gate is absolute. A single Critical finding forces FAIL verdict, no override.
  3. Always snapshot before modification. Before eval-improve writes changes, snapshot the current version.
  4. Auto-rollback on regression. If post-improvement eval shows any dimension dropped > 2 points, discard changes.
  5. Correction tracking is non-intrusive. Record corrections in .skill-compass/{name}/corrections.json, never in the skill file.
  6. Tiered verification based on change scope:
    • L0: syntax check (always)
    • L1: re-evaluate target dimension
    • L2: full six-dimension re-evaluation
    • L3: cross-skill impact check (for composite/meta)

Security Notice

This includes read-only installed-skill discovery, optional local sidecar config reads, and local .skill-compass/ state writes.

This is a local evaluation and hardening tool. Read-only evaluation commands are the default starting point. Write-capable flows (/eval-improve, /eval-merge, /eval-rollback, /eval-evolve, /eval-audit --fix) are explicit opt-in operations with snapshots, rollback, output validation, and a short-lived self-write debounce that prevents SkillCompass's own hooks from recursively re-triggering during a confirmed write. No network calls are made. See SECURITY.md for the full trust model and safeguards.