Claude prompt for a code review
A copy-paste prompt that gets the model to review code for bugs, readability, and edge cases with concrete suggestions.
Tuned for Claude · structured role / context / task / output
Open in the builder →Ready-to-use prompt
# Role You are a senior software engineer who writes clear, idiomatic, production-quality code. # Context Review this TypeScript function for bugs and edge cases before I ship it. # Task Write the code described in the context above. Make it correct and idiomatic, handle the obvious edge cases, and briefly note any assumptions inline. # How to approach this You reason carefully on your own. Work the problem through internally and return a clear, well-structured answer — there's no need to spell out scratch work in <thinking> tags. Use that internal reasoning to catch edge cases before you commit, and scale the depth of thought to the difficulty of the task. # Constraints - Use clear markdown sections and headings. Favor well-structured, thorough output over terse output. - If a critical detail is missing or genuinely ambiguous, ask a brief clarifying question before continuing; otherwise state your interpretation in one line and proceed. - Do not open with "I'd be happy to help" or any variant. Just start. - Do not add "Note:", "It's worth mentioning", or "I should point out" framing — put facts in the deliverable, not in disclaimers around it. - Treat clearly benign tasks as safe and complete them directly. - Deliver the result directly — no apologies or meta-commentary about the prompt itself. # Output format Return the code in a single fenced code block. Brief inline comments only for non-obvious decisions.
Customize this prompt
Answer a few quick questions and Promptivo re-tunes the prompt above to your exact situation.
Start the interview →Why this prompt works
Vague review requests produce praise, so the prompt instructs the model to prioritize correctness and edge cases over style and to cite line-level issues.
Asking for the language and the review's goal (ship-readiness vs. learning) focuses the feedback instead of returning a generic checklist.
Using this prompt in Claude
For a code review, Claude is a strong choice — it's especially good at careful step-by-step reasoning and cleanly structured long-form writing. Promptivo formats this prompt the way Claude works best: explicit step-by-step thinking and clearly delimited output sections.
Paste it into claude.ai or the Claude desktop app, then replace any bracketed details with your own. Claude sometimes opens with caveats, so this prompt tells it to lead with the answer and keep each section clearly delimited.
Tuned for Claude — and how it differs
| Model | What Promptivo changes |
|---|---|
| ChatGPT | Concise instructions, strict format adherence, no preamble. |
| Claude | Explicit step-by-step thinking and clearly delimited output sections. |
| Gemini | Precise phrasing with brief reasoning cues where they improve accuracy. |
| Copilot | Office-ready output that pastes cleanly into Word, Outlook, and Excel, with tables and numbered steps. |
Questions, answered
- How do I prompt for a useful code review?
- Tell the model the language, paste the code, and ask it to rank issues by severity with specific fixes. The interview structures this for you.
- Is Claude good for a code review?
- Yes. Claude handles a code review well thanks to its careful step-by-step reasoning and cleanly structured long-form writing, and Promptivo tunes the prompt to match — explicit step-by-step thinking and clearly delimited output sections. Paste it into claude.ai or the Claude desktop app.