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Cloudflare Security Audit

Multi-phase code security audits with independently verified findings.

Official vendorby CloudflareChecked October 18, 2026

Cloudflare's open source security skill for reviewing codebases, APIs, services and tools. For quick questions it gives focused guidance, and for full audits it plans coverage, isolates writes and requires real impact before calling something a vulnerability.

Who it is for

  • Security engineers
  • Developers
  • CTOs
  • Open source maintainers

Prompts to try

Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.

Prompt 1
Run a full security audit of this repository
Prompt 2
Review our authentication code for vulnerabilities
Prompt 3
Is this file upload endpoint safe? Check it thoroughly

How to install it

In Claude Code

  1. npx skills add https://github.com/cloudflare/security-audit-skill --skill security-audit

In Claude.ai

Not documented

Good to know

Add --global for a user-level install.

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How we checked it

Confirmed SKILL.md at skills/security-audit/SKILL.md in cloudflare/security-audit-skill via the GitHub API; skill folder last changed 2026-09-14, repo has 30,666 stars and was pushed 2026-09-14.

Source: github.com/cloudflare/security-audit-skill/tree/main/skills/security-audit

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