Quick Validate

#!/usr/bin/env python3 """ Quick validation script for skills - minimal version """

import sys import os import re import yaml from pathlib import Path

def validate_skill(skill_path): """Basic validation of a skill""" skill_path = Path(skill_path)

# Check SKILL.md exists
skill_md = skill_path / 'SKILL.md'
if not skill_md.exists():
    return False, "SKILL.md not found"

# Read and validate frontmatter
content = skill_md.read_text()
if not content.startswith('---'):
    return False, "No YAML frontmatter found"

# Extract frontmatter
match = re.match(r'^---\n(.*?)\n---', content, re.DOTALL)
if not match:
    return False, "Invalid frontmatter format"

frontmatter_text = match.group(1)

# Parse YAML frontmatter
try:
    frontmatter = yaml.safe_load(frontmatter_text)
    if not isinstance(frontmatter, dict):
        return False, "Frontmatter must be a YAML dictionary"
except yaml.YAMLError as e:
    return False, f"Invalid YAML in frontmatter: {e}"

# Define allowed properties
ALLOWED_PROPERTIES = {'name', 'description', 'license', 'allowed-tools', 'metadata'}

# Check for unexpected properties (excluding nested keys under metadata)
unexpected_keys = set(frontmatter.keys()) - ALLOWED_PROPERTIES
if unexpected_keys:
    return False, (
        f"Unexpected key(s) in SKILL.md frontmatter: {', '.join(sorted(unexpected_keys))}. "
        f"Allowed properties are: {', '.join(sorted(ALLOWED_PROPERTIES))}"
    )

# Check required fields
if 'name' not in frontmatter:
    return False, "Missing 'name' in frontmatter"
if 'description' not in frontmatter:
    return False, "Missing 'description' in frontmatter"

# Extract name for validation
name = frontmatter.get('name', '')
if not isinstance(name, str):
    return False, f"Name must be a string, got {type(name).__name__}"
name = name.strip()
if name:
    # Check naming convention (hyphen-case: lowercase with hyphens)
    if not re.match(r'^[a-z0-9-]+$', name):
        return False, f"Name '{name}' should be hyphen-case (lowercase letters, digits, and hyphens only)"
    if name.startswith('-') or name.endswith('-') or '--' in name:
        return False, f"Name '{name}' cannot start/end with hyphen or contain consecutive hyphens"
    # Check name length (max 64 characters per spec)
    if len(name) > 64:
        return False, f"Name is too long ({len(name)} characters). Maximum is 64 characters."

# Extract and validate description
description = frontmatter.get('description', '')
if not isinstance(description, str):
    return False, f"Description must be a string, got {type(description).__name__}"
description = description.strip()
if description:
    # Check for angle brackets
    if '<' in description or '>' in description:
        return False, "Description cannot contain angle brackets (< or >)"
    # Check description length (max 1024 characters per spec)
    if len(description) > 1024:
        return False, f"Description is too long ({len(description)} characters). Maximum is 1024 characters."

return True, "Skill is valid!"

if name == "main": if len(sys.argv) != 2: print("Usage: python quick_validate.py ") sys.exit(1)

valid, message = validate_skill(sys.argv[1])
print(message)
sys.exit(0 if valid else 1)