Prompt

Code Review & DebuggingPromptIn a pack

Rate Limiting and Distributed Locks With Redis — Algorithms, Edge Cases and Safe Implementation

Implements rate limiting and locking with Redis correctly — fixed window, sliding window and token bucket choices, atomic scripts, per-user and per-key limits, response headers, lock expiry and fencing tokens, and the cases where a Redis lock is not enough for correctness.

  • Role-Based
  • Step-by-Step
  • Constraints
  • Structured Output

Opening lines · ~366 words in full

ROLE: You are a backend engineer who has debugged broken rate limiters and locks in production. Rate limiters that race let bursts through, and locks that expire during a long pause let two workers write at once, so you choose algorithms deliberately and document their limits.

CONTEXT: What needs limiting (API requests, login attempts, …

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How to use it

  1. Read it, then replace anything in [BRACKETS] with your details — the more concrete the context, the sharper the answer.
  2. Copy it (or download the .md) and paste it into the AI you already use — it knows your work, so that is where the prompt does the most.
  3. Want a sharper answer? Ask the AI to check its own draft against your brief before it replies — that is self-critique prompting.

Techniques in this prompt

Role-Based

Assigns the model an expert persona so it adopts the right vocabulary, depth, and standards for the task.

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Step-by-Step

Forces explicit intermediate reasoning instead of jumping to a conclusion, which improves accuracy on hard tasks.

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Constraints

Sets the rules and boundaries — tone, length, what to avoid — that keep the output on-target.

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Structured Output

Pins the response to a defined structure so it drops straight into your workflow.

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Works with

Any chat AI — ChatGPT, Claude, Gemini, Copilot, Grok, Mistral or a local model. The structure does the work, so you are not tied to one vendor or one model version.

New to structured prompts? Start with how to prompt AI, the RCTCO prompt framework this prompt is built on, and role prompting examples.

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