skill（技能）

Skill Management CLI

Meta-skill for managing oh-my-claudecode skills via CLI-like commands.

Subcommands

/skill list

Show all available skills organized by scope.

Behavior:

1. Scan bundled built-in skills in the plugin skills/ directory (read-only)
2. Scan user skills at ${CLAUDE_CONFIG_DIR:-~/.claude}/skills/omc-learned/
3. Scan project skills at .omc/skills/
4. Parse YAML frontmatter for metadata
5. Display in organized table format:

BUILT-IN SKILLS (bundled with oh-my-claudecode):
| Name              | Description                    | Scope    |
|-------------------|--------------------------------|----------|
| visual-verdict    | Structured visual QA verdicts  | built-in |
| ralph             | Persistence loop               | built-in |

USER SKILLS (~/.claude/skills/omc-learned/):
| Name              | Triggers           | Quality | Usage | Scope |
|-------------------|--------------------|---------|-------|-------|
| error-handler     | fix, error         | 95%     | 42    | user  |
| api-builder       | api, endpoint      | 88%     | 23    | user  |

PROJECT SKILLS (.omc/skills/):
| Name              | Triggers           | Quality | Usage | Scope   |
|-------------------|--------------------|---------|-------|---------|
| test-runner       | test, run          | 92%     | 15    | project |

Fallback: If quality/usage stats not available, show "N/A"

Built-in skill note: Built-in skills are bundled with oh-my-claudecode and are discoverable/readable, but not removed or edited through /skill remove or /skill edit.

/skill add [name]

Interactive wizard for creating a new skill.

Behavior:

1. Ask for skill name (if not provided in command)

- Validate: lowercase, hyphens only, no spaces

1. Ask for description

- Clear, concise one-liner

1. Ask for triggers (comma-separated keywords)

- Example: "error, fix, debug"

1. Ask for argument hint (optional)

- Example: " [options]"

1. Ask for scope:

- user → ${CLAUDE_CONFIG_DIR:-~/.claude}/skills/omc-learned/<name>/SKILL.md - project → .omc/skills/<name>/SKILL.md

1. Create skill file with template:

---
name: <name>
description: <description>
triggers:
  - <trigger1>
  - <trigger2>
argument-hint: "<args>"
---

# <Name> Skill

## Purpose

[Describe what this skill does]

## When to Activate

[Describe triggers and conditions]

## Workflow

1. [Step 1]
2. [Step 2]
3. [Step 3]

## Examples

/oh-my-claudecode: example-arg

## Notes

[Additional context, edge cases, gotchas]

1. Report success with file path
2. Suggest: "Edit /skill edit <name> to customize content"

Example:

User: /skill add custom-logger
Assistant: Creating new skill 'custom-logger'...

Description: Enhanced logging with structured output
Triggers (comma-separated): log, logger, logging
Argument hint (optional): <level> [message]
Scope (user/project): user

✓ Created skill at ~/.claude/skills/omc-learned/custom-logger/SKILL.md
→ Edit with: /skill edit custom-logger

/skill remove

Remove a skill by name.

Behavior:

1. Search for skill in both scopes:

- ${CLAUDE_CONFIG_DIR:-~/.claude}/skills/omc-learned/<name>/SKILL.md - .omc/skills/<name>/SKILL.md

1. If found:

- Display skill info (name, description, scope) - Ask for confirmation: "Delete '' skill from? (yes/no)"

1. If confirmed:

- Delete entire skill directory (e.g., ${CLAUDE_CONFIG_DIR:-~/.claude}/skills/omc-learned/<name>/) - Report: "✓ Removed skill '' from "

1. If not found:

- Report: "✗ Skill '' not found in user or project scope"

Safety: Never delete without explicit user confirmation.

Example:

User: /skill remove old-logger
Assistant: Found skill 'old-logger' in user scope:
  Description: Legacy logging utility
  Scope: user (~/.claude/skills/omc-learned/)

Delete 'old-logger' skill? (yes/no)

User: yes
Assistant: ✓ Removed skill 'old-logger' from user scope

/skill edit

Edit an existing skill interactively.

Behavior:

1. Find skill by name (search both scopes)
2. Read current content via Read tool
3. Display current values: Current skill 'custom-logger': - Description: Enhanced logging with structured output - Triggers: log, logger, logging - Argument hint: <level> [message] - Scope: user
4. Ask what to change:

- description - Update description - triggers - Update trigger keywords - argument-hint - Update argument hint - content - Edit full markdown content - rename - Rename skill (move file) - cancel - Exit without changes

1. For selected field:

- Show current value - Ask for new value - Update YAML frontmatter or content - Write back to file

1. Report success with summary of changes

Example:

User: /skill edit custom-logger
Assistant: Current skill 'custom-logger':
  - Description: Enhanced logging with structured output
  - Triggers: log, logger, logging
  - Argument hint: <level> [message]

What would you like to edit? (description/triggers/argument-hint/content/rename/cancel)

User: triggers
Assistant: Current triggers: log, logger, logging
New triggers (comma-separated): log, logger, logging, trace

✓ Updated triggers for 'custom-logger'

/skill search

Search skills by content, triggers, name, or description.

Behavior:

1. Scan all skills in both scopes
2. Match query (case-insensitive) against:

- Skill name - Description - Triggers - Full markdown content

1. Display matches with context:

Found 3 skills matching "typescript error":

1. typescript-fixer (user)
   Description: Fix common TypeScript errors
   Match: "typescript error handling patterns"

2. error-handler (user)
   Description: Generic error handling utilities
   Match: "Supports TypeScript and JavaScript errors"

3. lint-fix (project)
   Description: Auto-fix linting errors
   Match: "TypeScript ESLint error resolution"

Ranking: Prioritize matches in name/triggers over content matches

Example:

User: /skill search api endpoint
Assistant: Found 2 skills matching "api endpoint":

1. api-builder (user)
   Description: Generate REST API endpoints
   Triggers: api, endpoint, rest

2. backend-scaffold (project)
   Description: Scaffold backend services
   Match: "Creates API endpoint boilerplate"

/skill info

Show detailed information about a skill.

Behavior:

1. Find skill by name (search both scopes)
2. Parse YAML frontmatter and content
3. Display complete details:

Skill: custom-logger
Scope: user (~/.claude/skills/omc-learned/custom-logger/)
Description: Enhanced logging with structured output
Triggers: log, logger, logging
Argument Hint: <level> [message]
Quality: 95% (if available)
Usage Count: 42 times (if available)
File Path: /home/user/.claude/skills/omc-learned/custom-logger/SKILL.md

--- FULL CONTENT ---
[entire markdown content]

If not found: Report error with suggestion to use /skill search

Example:

User: /skill info custom-logger
Assistant: Skill: custom-logger
Scope: user
Description: Enhanced logging with structured output
Triggers: log, logger, logging
File: ~/.claude/skills/omc-learned/custom-logger/SKILL.md

--- CONTENT ---
# Custom Logger Skill

## Purpose
Enhanced logging with structured JSON output...
[rest of content]

/skill sync

Sync skills between user and project scopes.

Behavior:

1. Scan both scopes:

- User skills: ${CLAUDE_CONFIG_DIR:-~/.claude}/skills/omc-learned/ - Project skills: .omc/skills/

1. Compare and categorize:

- User-only skills (not in project) - Project-only skills (not in user) - Common skills (in both)

1. Display sync opportunities:

SYNC REPORT:

User-only skills (5):
  - error-handler
  - api-builder
  - custom-logger
  - test-generator
  - deploy-helper

Project-only skills (2):
  - test-runner
  - backend-scaffold

Common skills (3):
  - frontend-ui-ux
  - git-master
  - planner

Options:
  [1] Copy user skill to project
  [2] Copy project skill to user
  [3] View differences
  [4] Cancel

1. Handle user choice:

- Option 1: Select skill(s) to copy to project - Option 2: Select skill(s) to copy to user - Option 3: Show side-by-side diff for common skills - Option 4: Exit

Safety: Never overwrite without confirmation

Example:

User: /skill sync
Assistant: Found 5 user-only skills and 2 project-only skills.

Copy 'error-handler' from user to project? (yes/no/skip)
User: yes
Assistant: ✓ Copied 'error-handler' to .omc/skills/

Copy 'api-builder' from user to project? (yes/no/skip)
User: skip
...

/skill setup

Interactive wizard for setting up and managing local skills (formerly local-skills-setup).

Behavior:

Step 1: Directory Check and Setup

First, check if skill directories exist and create them if needed:

# Check and create user-level skills directory
USER_SKILLS_DIR="${CLAUDE_CONFIG_DIR:-$HOME/.claude}/skills/omc-learned"
if [ -d "$USER_SKILLS_DIR" ]; then
  echo "User skills directory exists: $USER_SKILLS_DIR"
else
  mkdir -p "$USER_SKILLS_DIR"
  echo "Created user skills directory: $USER_SKILLS_DIR"
fi

# Check and create project-level skills directory
PROJECT_SKILLS_DIR=".omc/skills"
if [ -d "$PROJECT_SKILLS_DIR" ]; then
  echo "Project skills directory exists: $PROJECT_SKILLS_DIR"
else
  mkdir -p "$PROJECT_SKILLS_DIR"
  echo "Created project skills directory: $PROJECT_SKILLS_DIR"
fi

Step 2: Skill Scan and Inventory

Scan both directories and show a comprehensive inventory:

# Scan user-level skills
echo "=== USER-LEVEL SKILLS (~/.claude/skills/omc-learned/) ==="
if [ -d "${CLAUDE_CONFIG_DIR:-$HOME/.claude}/skills/omc-learned" ]; then
  USER_COUNT=$(find "${CLAUDE_CONFIG_DIR:-$HOME/.claude}/skills/omc-learned" -name "*.md" 2>/dev/null | wc -l)
  echo "Total skills: $USER_COUNT"

  if [ $USER_COUNT -gt 0 ]; then
    echo ""
    echo "Skills found:"
    find "${CLAUDE_CONFIG_DIR:-$HOME/.claude}/skills/omc-learned" -name "*.md" -type f -exec sh -c '
      FILE="$1"
      NAME=$(grep -m1 "^name:" "$FILE" 2>/dev/null | sed "s/name: //")
      DESC=$(grep -m1 "^description:" "$FILE" 2>/dev/null | sed "s/description: //")
      MODIFIED=$(stat -c "%y" "$FILE" 2>/dev/null || stat -f "%Sm" "$FILE" 2>/dev/null)
      echo "  - $NAME"
      [ -n "$DESC" ] && echo "    Description: $DESC"
      echo "    Modified: $MODIFIED"
      echo ""
    ' sh {} \;
  fi
else
  echo "Directory not found"
fi

echo ""
echo "=== PROJECT-LEVEL SKILLS (.omc/skills/) ==="
if [ -d ".omc/skills" ]; then
  PROJECT_COUNT=$(find ".omc/skills" -name "*.md" 2>/dev/null | wc -l)
  echo "Total skills: $PROJECT_COUNT"

  if [ $PROJECT_COUNT -gt 0 ]; then
    echo ""
    echo "Skills found:"
    find ".omc/skills" -name "*.md" -type f -exec sh -c '
      FILE="$1"
      NAME=$(grep -m1 "^name:" "$FILE" 2>/dev/null | sed "s/name: //")
      DESC=$(grep -m1 "^description:" "$FILE" 2>/dev/null | sed "s/description: //")
      MODIFIED=$(stat -c "%y" "$FILE" 2>/dev/null || stat -f "%Sm" "$FILE" 2>/dev/null)
      echo "  - $NAME"
      [ -n "$DESC" ] && echo "    Description: $DESC"
      echo "    Modified: $MODIFIED"
      echo ""
    ' sh {} \;
  fi
else
  echo "Directory not found"
fi

# Summary
TOTAL=$((USER_COUNT + PROJECT_COUNT))
echo "=== SUMMARY ==="
echo "Total skills across all directories: $TOTAL"

Step 3: Quick Actions Menu

After scanning, use the AskUserQuestion tool to offer these options:

Question: "What would you like to do with your local skills?"

Options:

1. Add new skill - Start the skill creation wizard (invoke /skill add)
2. List all skills with details - Show comprehensive skill inventory (invoke /skill list)
3. Scan conversation for patterns - Analyze current conversation for skill-worthy patterns
4. Import skill - Import a skill from URL or paste content
5. Done - Exit the wizard

Option 3: Scan Conversation for Patterns

Analyze the current conversation context to identify potential skill-worthy patterns. Look for:

• Recent debugging sessions with non-obvious solutions
• Tricky bugs that required investigation
• Codebase-specific workarounds discovered
• Error patterns that took time to resolve

Report findings and ask if user wants to extract any as skills (invoke /learner if yes).

Option 4: Import Skill

Ask user to provide either:

• URL: Download skill from a URL (e.g., GitHub gist)
• Paste content: Paste skill markdown content directly

Then ask for scope:

• User-level (~/.claude/skills/omc-learned/) - Available across all projects
• Project-level (.omc/skills/) - Only for this project

Validate the skill format and save to the chosen location.

/skill scan

Quick command to scan both skill directories (subset of /skill setup).

Behavior: Run the scan from Step 2 of /skill setup without the interactive wizard.

Skill Templates

When creating skills via /skill add or /skill setup, offer quick templates for common skill types:

Error Solution Template

---
id: error-[unique-id]
name: [Error Name]
description: Solution for [specific error in specific context]
source: conversation
triggers: ["error message fragment", "file path", "symptom"]
quality: high
---

# [Error Name]

## The Insight
What is the underlying cause of this error? What principle did you discover?

## Why This Matters
What goes wrong if you don't know this? What symptom led here?

## Recognition Pattern
How do you know when this applies? What are the signs?
- Error message: "[exact error]"
- File: [specific file path]
- Context: [when does this occur]

## The Approach
Step-by-step solution:
1. [Specific action with file/line reference]
2. [Specific action with file/line reference]
3. [Verification step]

## Example
\`\`\`typescript
// Before (broken)
[problematic code]

// After (fixed)
[corrected code]
\`\`\`

Workflow Skill Template

---
id: workflow-[unique-id]
name: [Workflow Name]
description: Process for [specific task in this codebase]
source: conversation
triggers: ["task description", "file pattern", "goal keyword"]
quality: high
---

# [Workflow Name]

## The Insight
What makes this workflow different from the obvious approach?

## Why This Matters
What fails if you don't follow this process?

## Recognition Pattern
When should you use this workflow?
- Task type: [specific task]
- Files involved: [specific patterns]
- Indicators: [how to recognize]

## The Approach
1. [Step with specific commands/files]
2. [Step with specific commands/files]
3. [Verification]

## Gotchas
- [Common mistake and how to avoid it]
- [Edge case and how to handle it]

Code Pattern Template

---
id: pattern-[unique-id]
name: [Pattern Name]
description: Pattern for [specific use case in this codebase]
source: conversation
triggers: ["code pattern", "file type", "problem domain"]
quality: high
---

# [Pattern Name]

## The Insight
What's the key principle behind this pattern?

## Why This Matters
What problems does this pattern solve in THIS codebase?

## Recognition Pattern
When do you apply this pattern?
- File types: [specific files]
- Problem: [specific problem]
- Context: [codebase-specific context]

## The Approach
Decision-making heuristic, not just code:
1. [Principle-based step]
2. [Principle-based step]

## Example
\`\`\`typescript
[Illustrative example showing the principle]
\`\`\`

## Anti-Pattern
What NOT to do and why:
\`\`\`typescript
[Common mistake to avoid]
\`\`\`

Integration Skill Template

---
id: integration-[unique-id]
name: [Integration Name]
description: How [system A] integrates with [system B] in this codebase
source: conversation
triggers: ["system name", "integration point", "config file"]
quality: high
---

# [Integration Name]

## The Insight
What's non-obvious about how these systems connect?

## Why This Matters
What breaks if you don't understand this integration?

## Recognition Pattern
When are you working with this integration?
- Files: [specific integration files]
- Config: [specific config locations]
- Symptoms: [what indicates integration issues]

## The Approach
How to work with this integration correctly:
1. [Configuration step with file paths]
2. [Setup step with specific details]
3. [Verification step]

## Gotchas
- [Integration-specific pitfall #1]
- [Integration-specific pitfall #2]

Error Handling

All commands must handle:

• File/directory doesn't exist
• Permission errors
• Invalid YAML frontmatter
• Duplicate skill names
• Invalid skill names (spaces, special chars)

Error format:

✗ Error: <clear message>
→ Suggestion: <helpful next step>

Usage Examples

# List all skills
/skill list

# Create a new skill
/skill add my-custom-skill

# Remove a skill
/skill remove old-skill

# Edit existing skill
/skill edit error-handler

# Search for skills
/skill search typescript error

# Get detailed info
/skill info my-custom-skill

# Sync between scopes
/skill sync

# Run setup wizard
/skill setup

# Quick scan
/skill scan

Usage Modes

Direct Command Mode

When invoked with an argument, skip the interactive wizard:

• /oh-my-claudecode:skill list - Show detailed skill inventory
• /oh-my-claudecode:skill add - Start skill creation (invoke learner)
• /oh-my-claudecode:skill scan - Scan both skill directories

Interactive Mode

When invoked without arguments, run the full guided wizard.

Benefits of Local Skills

Automatic Application: Claude detects triggers and applies skills automatically - no need to remember or search for solutions.

Version Control: Project-level skills (.omc/skills/) are intended to be committed with your code so the whole team benefits. In linked worktrees, uncommitted skills remain local to that worktree and disappear if it is removed.

Evolving Knowledge: Skills improve over time as you discover better approaches and refine triggers.

Reduced Token Usage: Instead of re-solving the same problems, Claude applies known patterns efficiently.

Codebase Memory: Preserves institutional knowledge that would otherwise be lost in conversation history.

Skill Quality Guidelines

Good skills are:

1. Non-Googleable - Can't easily find via search

- BAD: "How to read files in TypeScript" - GOOD: "This codebase uses custom path resolution requiring fileURLToPath"

1. Context-Specific - References actual files/errors from THIS codebase

- BAD: "Use try/catch for error handling" - GOOD: "The aiohttp proxy in server.py:42 crashes on ClientDisconnectedError"

1. Actionable with Precision - Tells exactly WHAT to do and WHERE

- BAD: "Handle edge cases" - GOOD: "When seeing 'Cannot find module' in dist/, check tsconfig.json moduleResolution"

1. Hard-Won - Required significant debugging effort

- BAD: Generic programming patterns - GOOD: "Race condition in worker.ts - Promise.all at line 89 needs await"

Related Skills

• /oh-my-claudecode:learner - Extract a skill from current conversation
• /oh-my-claudecode:note - Save quick notes (less formal than skills)
• /oh-my-claudecode:deepinit - Generate AGENTS.md codebase hierarchy

Example Session

> /oh-my-claudecode:skill list

Checking skill directories...
✓ User skills directory exists: ~/.claude/skills/omc-learned/
✓ Project skills directory exists: .omc/skills/

Scanning for skills...

=== USER-LEVEL SKILLS ===
Total skills: 3
  - async-network-error-handling
    Description: Pattern for handling independent I/O failures in async network code
    Modified: 2026-01-20 14:32:15

  - esm-path-resolution
    Description: Custom path resolution in ESM requiring fileURLToPath
    Modified: 2026-01-19 09:15:42

=== PROJECT-LEVEL SKILLS ===
Total skills: 5
  - session-timeout-fix
    Description: Fix for sessionId undefined after restart in session.ts
    Modified: 2026-01-22 16:45:23

  - build-cache-invalidation
    Description: When to clear TypeScript build cache to fix phantom errors
    Modified: 2026-01-21 11:28:37

=== SUMMARY ===
Total skills: 8

What would you like to do?
1. Add new skill
2. List all skills with details
3. Scan conversation for patterns
4. Import skill
5. Done

Tips for Users

• Run /oh-my-claudecode:skill list periodically to review your skill library
• After solving a tricky bug, immediately run learner to capture it
• Use project-level skills for codebase-specific knowledge
• Use user-level skills for general patterns that apply everywhere
• Review and refine triggers over time to improve matching accuracy

Implementation Notes

1. YAML Parsing: Use frontmatter extraction for metadata
2. File Operations: Use Read/Write tools, never Edit for new files
3. User Confirmation: Always confirm destructive operations
4. Clear Feedback: Use checkmarks (✓), crosses (✗), arrows (→) for clarity
5. Scope Resolution: Always check both user and project scopes
6. Validation: Enforce naming conventions (lowercase, hyphens only)

Related Skills

• /oh-my-claudecode:learner - Extract a skill from current conversation
• /oh-my-claudecode:note - Save quick notes (less formal than skills)
• /oh-my-claudecode:deepinit - Generate AGENTS.md codebase hierarchy

Future Enhancements

• /skill export <name> - Export skill as shareable file
• /skill import <file> - Import skill from file
• /skill stats - Show usage statistics across all skills
• /skill validate - Check all skills for format errors
• /skill template <type> - Create from predefined templates