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skill-idea-miner

Mine Claude Code session logs for skill idea candidates. Use when running the skill generation pipeline to extract, score, and backlog new skill ideas from recent coding sessions.

The English summary is being prepared. Showing the original description.

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See how to install

Files included (7)

  • SKILL.md2.9 KB
  • references/idea_extraction_rubric.md6.3 KB
  • scripts/mine_session_logs.py24.4 KB
  • scripts/score_ideas.py15.1 KB
  • scripts/tests/conftest.py223 B
  • scripts/tests/test_mine_session_logs.py30.8 KB
  • scripts/tests/test_score_ideas.py9.9 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Skill Idea Miner

Automatically extract skill idea candidates from Claude Code session logs, score them for novelty, feasibility, and work utility, and maintain a prioritized backlog for downstream skill generation.

When to Use

  • Weekly automated pipeline run for skill idea generation
  • Manual backlog refresh: python3 scripts/mine_session_logs.py
  • Dry-run to preview candidates without LLM scoring

Workflow

Stage 1: Session Log Mining

  1. Enumerate session logs from project directories in ~/.claude/projects/
  2. Filter to past 7 days by file mtime, confirm with timestamp field
  3. Extract user messages (type: "user", userType: "external")
  4. Extract tool usage patterns from assistant messages
  5. Run deterministic signal detection:
    • Skill usage frequency (skills/*/ path references)
    • Error patterns (non-zero exit codes, is_error flags, exception keywords)
    • Repetitive tool sequences (3+ tools repeated 3+ times)
    • Automation request keywords (English and Japanese)
    • Unresolved requests (5+ minute gap after user message)
  6. Invoke Claude CLI headless for idea abstraction
  7. Output raw_candidates.yaml

Stage 2: Scoring and Deduplication

  1. Load existing skills from skills/*/SKILL.md frontmatter
  2. Deduplicate via Jaccard similarity (threshold > 0.5) against:
    • Existing skill names and descriptions
    • Existing backlog ideas
  3. Score non-duplicate candidates with Claude CLI:
    • Novelty (0-100): differentiation from existing skills
    • Feasibility (0-100): technical implementability
    • Work Utility (0-100): practical value for business professionals
    • Composite = 0.3 * Novelty + 0.3 * Feasibility + 0.4 * Work Utility
  4. Merge scored candidates into logs/.skill_generation_backlog.yaml

Output Format

raw_candidates.yaml

generated_at_utc: "2026-03-08T06:00:00Z"
lookback_days: 7
sessions_analyzed: 12
candidates:
  - id: "raw_20260308_001"
    title: "Project Charter Generator"
    scanned_projects: ["PycharmProjects-claude-skills-library"]
    description: "Generate project charters from requirements."
    category: "project-management"

Backlog (logs/.skill_generation_backlog.yaml)

updated_at_utc: "2026-03-08T06:15:00Z"
ideas:
  - id: "idea_20260308_001"
    title: "Project Charter Generator"
    description: "Skill that generates project charters..."
    category: "project-management"
    scores: {novelty: 75, feasibility: 60, work_utility: 80, composite: 72.5}
    status: "pending"

Resources

  • references/idea_extraction_rubric.md -- Signal detection criteria and scoring rubric
  • scripts/mine_session_logs.py -- Session log parser
  • scripts/score_ideas.py -- Scorer and deduplicator

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