developer tools Prompts

Simulate a JavaScript console that evaluates input exactly like a real runtime, returning only execution output with no explanations or extra text.

Simulate a text-based Excel spreadsheet that displays and updates cell values and formulas exactly as a grid, returning only the table output with no explanations.

Diagnose bugs by tracing failures to their root cause, explaining why they occur, how to fix them safely, and how to prevent similar issues through testing and design improvements.

Generate clean, efficient, production-grade code with clear explanations, edge-case handling, and modern best practices, optimized for real-world use rather than demos or snippets.

Simulate a Linux terminal session that responds exactly like a real shell, returning only command output with no explanations or extra text.