Coding Prompts: 35 Templates for Developers
Prompts for debugging, refactoring, testing, and reviews—structured for concise, reliable outputs.
Find the bug in this {{language}} snippet. Explain the root cause and propose a minimal fix. Code:
{{code}}Refactor this {{language}} function for readability. Add docstring, rename variables descriptively, and keep behavior identical. Code:
{{code}}Write unit tests for this function in {{framework}}. Cover happy path, edge cases, and failure mode. Code:
{{code}}Explain what this code does to a junior developer. Include input/output, side effects, and a 3-bullet summary. Code:
{{code}}Review this REST/GraphQL API for consistency, naming, and error handling. Provide 5 concise recommendations. Spec:
{{spec}}Suggest 3 performance improvements for this code (big-O, memory, queries). Explain trade-offs. Code:
{{code}}Identify potential security issues (input validation, auth, secrets) in this code and give fixes. Code:
{{code}}Draft a step-by-step migration plan from {{techA}} to {{techB}}, including rollback steps and smoke tests.Save these prompts to your library
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Usage tips
- Include language/version/framework to reduce hallucinations.
- Ask for explanations and diff-style fixes when possible.
- Chunk large code; summarize first, then dive into specific areas.
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