How do I install the Saas Security Checklist Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/saas-security-checklist/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / Security / web-security

Saas Security Checklist

Category: Security · Sub-category: web-security · Last updated: 2026-05-21

cloud:supabase type:audit

Security checklist specifically for SaaS applications built with Next.js, Supabase, and Stripe. Covers authentication hardening, Row Level Security, Stripe webhook verification, secrets management, CSRF/CSP/CORS headers, input validation, rate limiting, DSGVO/GDPR compliance, and common anti-patterns found in real SaaS templates. Triggers on: SaaS security, Supabase security, Stripe security, SaaS checklist, secure SaaS, harden SaaS, SaaS audit, Next.js security, Supabase RLS audit, payment security, or any security review of a SaaS application.

From the source SKILL.md

Sicherheits-Checklist speziell fuer SaaS-Anwendungen mit Next.js, Supabase und Stripe. Jedes Finding referenziert das Repo, in dem das Anti-Pattern gefunden wurde.

What this skill does

Saas Security Checklist is a community-contributed Claude Code skill in the web-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/saas-security-checklist/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Saas Security Checklist Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/saas-security-checklist
curl -L https://claudskills.com/skills/saas-security-checklist/SKILL.md \
  -o ~/.claude/skills/saas-security-checklist/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/saas-security-checklist/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/saas-security-checklist/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\saas-security-checklist\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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Saas Security Checklist

From the source SKILL.md

What this skill does

Who uses this skill

How to install

Manual install (2 steps)

One-click install via the desktop app

Attribution & license

More Security skills

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Use cases

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