MCP App StoreMCP App Store
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Comprehensive guide and practical snippets to design and harden APIs: authentication, input validation, rate limiting, data protection, and testing patterns to
This skill equips agents with prescriptive API security guidance and ready-to-use code patterns for building and auditing secure APIs. It covers authentication (JWT/OAuth), input validation, rate limiting, secure error handling, and DDoS mitigation, with code examples for Node/Express and recommendations for production-grade deployments.
Use during API design, security reviews, audits, or when applying fixes for vulnerabilities (injection, broken auth, improper error handling). Also useful for adding rate limits, token refresh flows, and safe logging practices.
Best for code-aware assistants and developers working in Node/Express, Prisma, or other JS backends; applicable to auditors using static analysis tools and security-focused agents (Codex/Claude Code/Copilot).
This skill has not been reviewed by our automated audit pipeline yet.
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