Free Tool

Skill Validator

Paste your SKILL.md content below and check it against the official schema in one click.

Your SKILL.md

0 characters Live validation

Validation Report

Paste your SKILL.md on the left
and click Validate to see results.

Paste

Copy your SKILL.md file content into the editor

Validate

10 rules checked instantly — no signup needed

Fix

Get specific fix hints for every failed rule

Ship

A clean PASS means your skill is schema-ready