Express Rate-Limiter with Redis Sliding Window Counter
Suggested Use: Defending public API endpoints and AI inference pipelines from DDoS and abuse. Ready to use with Cursor, Claude. Copy the prompt, adjust any bracketed variables for your project, and refine in your AI tool.
Implement a sliding-window log rate limiter middleware for Node.js Express using `ioredis`. Specifications: - Group requests by client IP or authenticated user ID. - Allow 60 requests per 60-second rolling window. - Use Redis sorted sets (`ZADD`, `ZREMRANGEBYSCORE`, `ZCARD`, `EXPIRE`) inside an atomic multi-transaction to achieve race-free counting across multi-container deployments. - Return standard rate limit headers: `X-RateLimit-Limit`, `X-RateLimit-Remaining`, `X-RateLimit-Reset`. - Send 429 Too Many Requests with informative JSON retry-after timestamp.
Why Use This Prompt?
This prompt guides Cursor and Claude to generate clean, production-grade Node.js, Express, Redis, Security code tailored for express rate-limiter with redis sliding window counter. It establishes strict architectural constraints—including proper error handling, modern framework conventions, and zero conversational filler. Developers can rapidly scaffold robust components, database schemas, or algorithmic utilities while maintaining code quality and maintainability.
Example Output
Example output generated by our AI community.
High-fidelity output preview rendered with Cursor, Claude using verified syntax and parameters.
Tips for Better Results
Apply these recommended adjustments to tailor the generated output to your exact requirements:
- Customize Subjects & Placeholders: Swap out any bracketed terms (such as [Subject], [Product], or [Brand Name]) with your specific business or creative context to tailor the output.
- Define Output Format & Constraints: Specify your preferred delivery format (such as structured JSON, markdown tables, or concise bullet points) to keep responses focused and easy to parse.
- Provide Schema Anchors & Sample Data: Paste a brief 2-3 line example of your expected output format or sample input row in the chat to prevent hallucinations and enforce strict schema conformity.
Best AI Models for this Prompt
This prompt is tested and calibrated for optimal fidelity, lighting, and composition on:
High compatibility for code generation without distortion or generic artifacts.
High compatibility for code generation without distortion or generic artifacts.
Pro Prompt Engineering Tip
Ideal Use Case: Defending public API endpoints and AI inference pipelines from DDoS and abuse.. Parameters: Node.js, ioredis, Express 4/5
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Target Tools & Compatible Platforms
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