Apply OWASP-aligned security practices to web applications.
npx skills add https://github.com/SylphxAI/flow --skill appsec
Please help me install this Agent Skill. Skill: appsec Source: https://github.com/SylphxAI/flow/tree/main/.claude/skills/appsec Command: npx skills add https://github.com/SylphxAI/flow --skill appsec
This Skill provides a practical framework to secure web applications by aligning with OWASP Top 10 2025, validating inputs, and ensuring secrets are managed securely.
Apply the appsec guidelines to your Next.js app to enforce OWASP Top 10 controls, configure security headers, and establish a secrets rotation policy.
High-intent search queries and answers about installing and using this skill.
Apply OWASP-aligned security practices to validate inputs, manage secrets securely, and enforce security headers like CSP, HSTS, and X-Frame-Options across your web app. This addresses common attack vectors including injection, broken authentication, and sensitive data exposure.
Enforce CSP, HSTS, X-Frame-Options, and X-Content-Type-Options headers to prevent clickjacking, MIME-type sniffing, and credential interception. Configure these across your deployment environment—whether Vercel, cloud providers, or self-hosted—to harden your application.
Implement secrets management by prohibiting plaintext secrets in logs and storage, enabling rotation policies, and validating configuration at build or startup. Fail-fast validation blocks deployment if critical security configs are missing.
Enforce multi-factor authentication for admin-level access to enforce least-privilege principles. MFA adds a second verification layer beyond passwords, protecting sensitive operations and administrative functions.
Yes. The framework supports modern stacks including Next.js, Node/Express, and deployment platforms like Vercel and major cloud providers, applying OWASP controls consistently across your architecture.
Fail-fast config validation blocks builds and startup if critical security settings are absent, preventing insecure deployments and catching configuration gaps before production exposure.
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