Reference
SKILL.md specification
Every workflow in Antigravity SEO is one directory with a SKILL.md file. The frontmatter is what the registry parses to wire agents, dependencies and MCPs together.
Frontmatter
--- id: seo-audit name: Full SEO Audit domain: technical version: 3.0.0 depends_on: [seo-technical, seo-content, seo-schema, seo-sitemap] invoked_by: [seo-supervisor] mcps_optional: [dataforseo, firecrawl, google-search-console] inputs: url: string (required) target_country: string (optional, default: "US") outputs: report: markdown score: number (0-100) ---
Body sections
- ## Purpose — one paragraph, what and when.
- ## Process — deterministic, numbered steps.
- ## Output — schema of what the skill returns.
- ## Error handling — table of failure modes.
See also → Agent TOML spec