Describe behavior before naming code
For a precise coding prompt: describe what you want built, pick the language or stack (or let the model decide), and run. You get an engineering prompt specifying language, framework, constraints, and the exact output shape (complete code, no TODOs, plus tests and a brief explanation) — not a vague description that yields half-finished code.
A good code prompt states what must happen, what must be rejected, and how the result will be tested.
How to use it
Specify language or framework if required, function interface, sample input and output, and error cases. Example: “Write a TypeScript function that validates YYYY-MM-DD dates, rejects 2026-02-30, and includes edge-case tests.”
Review
Run tests and examine security and dependencies; a prompt cannot establish code safety.
Frequently asked questions
How do I write a coding prompt that returns complete, not partial, code?
Specify the language and the precise requirement, and let the tool add explicit constraints (error handling, performance, security) and the exact expected output shape — specifying the shape upfront is what stops models from leaving TODOs.
Is this tool free to try?
No — the Code Prompt Generator (and the other 13 tools) requires a Plus or Pro subscription: 80 runs/day on Plus or 300/day on Pro. The free plan gives you one custom prompt for life and unlimited library browsing, not tool runs.
Which programming languages does it support?
Any language or stack you type in the selector — with ready presets for Python, JavaScript/TS, React, and SQL, plus a "let the model decide" option if the language isn't fixed yet.
Is generated code production-ready?
Not without appropriate review and tests.
Browse the ready prompt library for similar use cases, check the AI tools usage guide, or compare Plus and Pro plans to raise your daily quota. Related tools: Prompt engineering guide