Below is a practical “cheat‑sheet” distilled from the many production prompts you just saw (Cursor, v0, Devin, Manus, Replit, Lovable, etc.). Follow these guidelines when designing prompts for your own LLM‑powered apps and you’ll get more reliable, safer and higher‑quality results.
────────────────────────────────────────────────────────
- Nail the Three Core Elements
──────────────────────────────────────────────────────── A good prompt almost always contains ❶ role, ❷ objective, ❸ constraints / format.
• Role
“You are a senior Rust compiler engineer…”
Sets the persona, vocabulary and depth.