Comprehensive security middleware for REST APIs covering authentication, rate limiting, input validation, and attack prevention.
Automate repetitive workflows and reduce manual effort
Example: Generate reports, summarize documents, draft communications
Save 3-5 hours per week on routine tasks
Learn new skills, understand complex topics, get expert guidance
Example: Explain concepts, provide examples, suggest learning resources
Accelerate learning and skill development by 2x
Enhance output quality through reviews, suggestions, and refinements
Example: Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
Time estimate: 15-45 minutes depending on use case complexity
Prerequisites
Submit your Claude Code skill and start earning
epx add aj-geddes/useful-ai-prompts --skill api-security-hardeningCompatible with
Supported agents
Implements multiple security layers: helmet for HTTP headers, rate limiting, CORS configuration, input sanitization, and XSS/HPP protection
Supports Node.js/Express and Python FastAPI with reference implementations for each framework
Includes JWT-based authentication, input validation with sanitization, and security event logging
Provides best practices
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionapi-security-hardeningExecute the skills CLI command in your project's root directory to begin installation:
epx add aj-geddes/useful-ai-prompts --skill api-security-hardeningFetches api-security-hardening from aj-geddes/useful-ai-prompts and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
.cursor/skills/api-security-hardening
Restart Cursor to activate api-security-hardening. Access via /api-security-hardeningin your agent's command palette.
Learn more:View source on GitHubSkills CLI docsAbout CursorWhat are agent skills?
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
user-story-writing
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design-an-interface
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typescript-best-practices
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api-security-hardening reduced setup friction for our internal harness; good balance of opinion and flexibility.
Solid pick for teams standardizing on skills: api-security-hardening is focused, and the summary matches what you get after install.
We added api-security-hardening from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
Keeps context tight: api-security-hardening is the kind of skill you can hand to a new teammate without a long onboarding doc.
I recommend api-security-hardening for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
Useful defaults in api-security-hardening — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
api-security-hardening fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
api-security-hardening is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Solid pick for teams standardizing on skills: api-security-hardening is focused, and the summary matches what you get after install.
api-security-hardening has been reliable in day-to-day use. Documentation quality is above average for community skills.
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