Validate Skill

Purpose

• Creating new skills in any agent's skills directory (

  .claude/skills/

  ,

  .cursor/skills/

  , etc.)
• Reviewing PRs that modify skills
• Validating skill structure before publishing

Scripts

validate-skill.ts

bunx @plaited/development-skills validate-skill [paths...]

• paths

  : Paths to validate (defaults to current agent's skills directory)

• --json

  : Output results as JSON

# Validate skills in current directory's .claude/skills/
bunx @plaited/development-skills validate-skill .claude/skills

# Validate Cursor skills
bunx @plaited/development-skills validate-skill .cursor/skills

# Validate a specific skill
bunx @plaited/development-skills validate-skill .claude/skills/typescript-lsp

# Validate multiple paths with JSON output
bunx @plaited/development-skills validate-skill .claude/skills .cursor/skills --json

Validation Rules

Required Fields

• name

  : Skill name (lowercase, alphanumeric with hyphens)

• description

  : Brief description of the skill

Naming Conventions

• Name must be lowercase
• Only alphanumeric characters and hyphens allowed
• Cannot start or end with hyphen
• Cannot contain consecutive hyphens
• Maximum 64 characters
• Directory name must match skill name

Optional Fields

• license

  : License identifier

• compatibility

  : Runtime requirements

• allowed-tools

  : Comma-separated list of allowed tools

• metadata

  : Key-value pairs for additional metadata

Output Format

Human-Readable (default)

✓ .claude/skills/typescript-lsp
✓ .cursor/skills/my-skill
✗ .claude/skills/invalid-skill
  ERROR: Missing required field in frontmatter: 'description'

2/3 skills valid

JSON (--json)

[
  {
    "valid": true,
    "path": ".cursor/skills/my-skill",
    "errors": [],
    "warnings": [],
    "properties": {
      "name": "my-skill",
      "description": "..."
    }
  }
]

Related Skills

• typescript-lsp - Example of a well-structured skill with scripts
• code-documentation - TSDoc standards for TypeScript/JavaScript code