# Surface > Curated security skills for AI coding agents. One-time purchase of $89. Updates included. ## What it is - Built by a co-author of the CVSS v4.0 guide and active SIG member. - Areas covered: controls, vulnerabilities, threats, compliance. - Includes a SECURITY.md file for the agent to read. ## Who it's for - Solo founders building with a coding agent. ## Price - $89, one-time. Updates included. ## Agents it works with - Claude Code, Cursor, Codex, Berd, Grok Bot and any agent that reads skills from .agents/skills. ## Install - `npx surface add` with a licence key. Files are written to `.agents/skills` and `SECURITY.md`. - Or download the ZIP. ## How to buy - Buy: /buy ## Refund and licence terms - See /terms.html (14-day money-back guarantee, no questions asked; one-person licence). ## What it isn't - Not a security audit. - Not a guarantee that an app is secure. ## Contact - founder@cvss-associates.com (founder@surfaceai.xyz on surfaceai.xyz) ## Seller - José Sosa, Bari, Italy. P.IVA 08960590720. ## Optional - [Full text](/llms-full.txt) - [Homepage as Markdown](/index.md)