Our review
This skill allows users to create, improve, list, and analyze Claude Code skills through a structured workflow.
Strengths
- Provides a structured process for skill creation and improvement
- Supports bilingual trigger phrases
- Allows for both global and project-level skill management
- Includes templates and reference directory
Limitations
- Requires user input for requirements
- May be limited by existing skill structure
- Does not automatically test skills
Use this skill when you need to create a new Claude Code skill or improve an existing one.
Do not use this skill for tasks unrelated to Claude Code skill management, such as general coding or file editing.
Security analysis
CautionThe skill-manager is a meta-skill that uses Bash for directory listing and file operations, which is necessary for its function. It does not contain any suspicious payloads like curl|sh, data exfiltration, or safety bypasses. However, because it has the ability to write and execute shell commands, it warrants caution.
- •Uses Bash to list directories and potentially run other shell commands, which could be leveraged if the skill is compromised or misused, but the intended use is safe.
- •Skill creation and improvement involve writing files that could be modified to include malicious instructions, but the skill itself does not inherently perform destructive or exfiltrating actions.
Examples
create a skill for database migrationsimprove the database migration skilllist my Claude Code skillsname: skill-manager description: This skill should be used when the user asks to "create a skill", "improve a skill", "edit a skill", "list skills", "analyze skill", "skill作成", "スキルを作る", "スキルを改善", "スキル一覧", "スキル編集", or wants to manage Claude Code skills. argument-hint: "<create|improve|list> [skill-name]" version: 2.0.0 allowed-tools:
- Read
- Write
- Edit
- Bash
- Glob
- Grep
- AskUserQuestion
Skill Manager
Manage Claude Code skills: create, improve, list, and analyze.
Usage
/skill-manager create [skill-name] # Create a new skill
/skill-manager improve [skill-name] # Improve an existing skill
/skill-manager list # List all skills
/skill-manager [skill-name] # Analyze/improve (default)
Parse $ARGUMENTS to determine the action. If no action is specified, default to improve if a skill name is given.
Current Skills
Global skills:
!ls -1 ~/.claude/skills/ 2>/dev/null || echo "(none)"
Project skills:
!ls -1 .claude/skills/ 2>/dev/null || echo "(none)"
Action: create
Create a new skill from scratch.
Workflow
-
Gather Requirements via AskUserQuestion:
- Skill name (kebab-case)
- Purpose and description
- Trigger phrases (Japanese + English)
- Required tools
- Location:
~/.claude/skills/(global) or.claude/skills/(project)
-
Create Directory Structure:
skill-name/ ├── SKILL.md # Required ├── references/ # Optional: Reference docs ├── templates/ # Optional: Template files └── examples/ # Optional: Usage examples -
Write SKILL.md using the template in
templates/basic.mdortemplates/advanced.md -
Report Success: Show the invoke command
/skill-name
Action: improve
Improve an existing skill.
Workflow
-
Locate the Skill:
- Check
~/.claude/skills/{skill-name}/SKILL.md - Check
.claude/skills/{skill-name}/SKILL.md - If not found, list available skills and ask user
- Check
-
Analyze Current State:
- Read SKILL.md and all related files
- Identify issues:
- Vague or missing trigger phrases
- Overly broad or missing tool restrictions
- Unclear instructions
- Missing error handling
- No examples
-
Suggest Improvements via AskUserQuestion:
- Present findings and recommendations
- Ask what the user wants to improve:
- Trigger phrases (more specific, bilingual)
- Instructions (clearer workflow)
- Tool restrictions (security)
- Examples (usage clarity)
- Structure (add references/, templates/)
-
Apply Changes: Edit SKILL.md and related files
-
Report Changes: Summarize what was improved
Action: list
List all available skills with their status.
Workflow
-
Scan Directories:
~/.claude/skills/(global).claude/skills/(project-local)
-
For Each Skill, Report:
- Name and version
- Description (first line)
- Trigger phrases count
- Allowed tools
- Location (global/project)
-
Output Format:
📁 Global Skills (~/.claude/skills/) ├── skill-name (v1.0.0) - Description │ └── Triggers: "phrase1", "phrase2" 📁 Project Skills (.claude/skills/) └── (none)
Frontmatter Reference
---
name: Skill Name # Required: Display name
description: This skill should be used when the user asks to "trigger1", "trigger2". # Required
argument-hint: "[args]" # Optional: Shows in /command help
version: 1.0.0 # Optional: Semantic version
allowed-tools: # Optional: Restrict tools
- Read
- Write
disable-model-invocation: false # Optional: true = manual only
---
Writing Good Trigger Phrases
Good:
description: This skill should be used when the user asks to "create a migration", "generate migration", "マイグレーション作成".
Bad:
description: Helps with database tasks. # Too vague, won't trigger
Dynamic Content
Embed shell output in SKILL.md:
!`git status --short`
Variables
| Variable | Description |
|----------|-------------|
| $ARGUMENTS | Args from /skill-name arg1 arg2 |
| ${CLAUDE_SESSION_ID} | Current session ID |
Best Practices
- Specific triggers: Include exact phrases users will say (quoted)
- Bilingual: Japanese + English trigger phrases
- Restrict tools: Use
allowed-toolsfor security - Keep SKILL.md concise: Put reference docs in
references/ - Version your skills: Update version on changes
- Test triggers: Verify the skill activates on expected phrases
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