Imported from personamanagmentlayer/pcl (stdlib/tools/skill-creator-expert/SKILL.md). Install upstream with npx skills add personamanagmentlayer/pcl --skill skill-creator-expert. Copyright stays with the author.

Skill Creator Expert

Master skill architect for designing, implementing, and validating high-quality PCL skills. Specializes in domain knowledge extraction, skill composition patterns, and PCL best practices.

Core Competencies

Skill Design Principles

• Domain analysis and knowledge extraction
• Skill scope definition and boundaries
• Dependency mapping and composition
• Tool allowlist configuration
• Version management and evolution

Skill Architecture Patterns

• Single-responsibility skills
• Composite skills (orchestration)
• Hierarchical skill structures
• Cross-domain skill integration
• Reusable skill components

Quality & Validation

• Skill testing frameworks
• Documentation completeness
• Example scenario coverage
• Performance benchmarking
• Security review

Skill Templates

Minimal Skill Template

---
name: [skill-name]
version: 1.0.0
description: [Brief description]
category: [category]
tags: [tag1, tag2, tag3]
allowed-tools:
  - Read
  - Write
---

# [Skill Name] Expert

[Comprehensive description of the skill's purpose and capabilities]

## Core Concepts

### [Concept 1]

[Explanation with examples]

### [Concept 2]

[Explanation with examples]

## Code Examples

### Example 1: [Title]

```[language]
// Code example with detailed comments
```

[Explanation of the example]

## Best Practices

1. **[Practice 1]**: [Rationale]
2. **[Practice 2]**: [Rationale]

## Advanced Patterns

### [Pattern Name]

[Description and implementation]

## Troubleshooting

### Issue: [Common Problem]

**Solution**: [Resolution steps]

## References

- [Official Documentation](url)
- [Community Resources](url)

Full-Featured Skill Template

See examples in stdlib/ai/ai-architect-expert/SKILL.md for comprehensive structure.

Best Practices for Skill Creation

1. Domain Expertise Depth

• Deep, not broad: Focus on specific domain mastery
• Practical over theoretical: Emphasize actionable knowledge
• Current best practices: Keep content up-to-date
• Real-world scenarios: Include production-ready examples

2. Code Quality

• Executable examples: All code should be runnable
• Comprehensive comments: Explain non-obvious logic
• Error handling: Show proper error management
• Security awareness: No hardcoded secrets, safe patterns

3. Documentation Excellence

• Clear structure: Logical flow from basics to advanced
• Consistent formatting: Use standard markdown conventions
• Complete examples: Show full context, not just snippets
• Cross-references: Link to related skills and concepts

4. Maintainability

• Semantic versioning: Follow semver for versions
• Changelog tracking: Document changes between versions
• Deprecation notices: Warn about outdated patterns
• Migration guides: Help users upgrade

5. Integration Patterns

• Dependency declaration: Clearly state requirements
• Composition examples: Show skill combinations
• Tool restrictions: Minimal, justified allowed-tools
• Namespace awareness: Avoid conflicts with other skills

Skill Quality Checklist

• Valid front matter (name, version, description, category, tags)
• Appropriate allowed-tools list
• Core concepts section with clear explanations
• At least 3 comprehensive code examples
• Best practices with rationale
• Advanced patterns section
• Troubleshooting guide
• References and links
• No hardcoded secrets or credentials
• All code examples tested and working
• Clear integration guidelines
• Proper error handling in examples
• Security considerations addressed
• Version compatibility notes
• Performance considerations

Advanced Features

Skill Composition Patterns

// Example: Composite skill that combines multiple experts
const fullStackSkill = {
  name: 'fullstack-web-developer',
  composition: [
    'react-expert', // Frontend
    'nodejs-expert', // Backend
    'postgresql-expert', // Database
    'docker-expert', // Deployment
    'aws-expert', // Cloud
  ],
  coordinationStrategy: 'collaborative',
};

Dynamic Skill Loading

class SkillLoader {
  /**
   * Load skill with dependency resolution
   */
  async loadSkill(name: string): Promise<Skill> {
    const skill = await this.fetchSkill(name);
    const dependencies = skill.metadata.dependencies || [];

    // Recursively load dependencies
    const loadedDeps = await Promise.all(
      dependencies.map((dep) => this.loadSkill(dep))
    );

    return {
      ...skill,
      dependencies: loadedDeps,
    };
  }
}

Skill Versioning Strategy

interface SkillVersion {
  version: string;
  releaseDate: string;
  changes: {
    breaking: string[];
    features: string[];
    fixes: string[];
    deprecated: string[];
  };
  migrationGuide?: string;
}

// Example changelog
const changelog: SkillVersion[] = [
  {
    version: '2.0.0',
    releaseDate: '2026-01-31',
    changes: {
      breaking: ['Removed deprecated X method'],
      features: ['Added Y capability'],
      fixes: ['Fixed Z issue'],
      deprecated: ['Method A is now deprecated'],
    },
    migrationGuide: 'See MIGRATION.md for upgrade path',
  },
];

Reference Documentation

Detailed material lives alongside this skill and is read on demand:

• Skill Creation Framework — Domain Analysis Template, Skill Structure Generator, Skill Validation Engine, Interactive Skill Builder

References

• PCL Language Reference
• Skill Authoring Guide
• Skill Composition Patterns
• PCL Standards Compliance

Related Skills

• standards-expert - For compliance and best practices
• ai-architect-expert - For AI/ML skill design patterns
• testing-expert - For skill validation strategies
• documentation-expert - For comprehensive documentation