Build a CLI Tool in Node.js or Python
Generate a complete command-line tool with argument parsing, help text, and proper error handling.
The Prompt
Build a complete command-line tool with the following spec. Include: 1. Argument parsing with help text (--help flag) 2. Subcommands if needed 3. Config file support (reads from ~/.toolname.json or .toolnamerc) 4. Colored terminal output for status/error messages 5. Progress indicators for long operations 6. Proper exit codes (0 for success, 1+ for errors) Language: [NODE.JS with commander.js / PYTHON with click — specify] Tool description: [WHAT YOUR CLI TOOL DOES — e.g., A CLI that takes a CSV file and generates SQL INSERT statements. Flags: --table (table name), --format (postgres/mysql), --dry-run (print without executing), --output (save to file)]
Example Output
Generated a complete Node.js CLI using Commander.js with csv2sql as the binary name, three subcommands (convert, preview, schema), colored output using chalk, a config file for default table naming conventions, and proper exit(1) on parse errors.
FAQ
Which AI model is best for Build a CLI Tool in Node.js or Python?
GPT-4o or Claude Sonnet 4. Both work well for CLI tools.
How do I use the Build a CLI Tool in Node.js or Python prompt?
Copy the prompt, replace the [BRACKETED] placeholders with your specific information, and paste into your preferred AI assistant (ChatGPT, Claude, Gemini, etc.). Generated a complete Node.js CLI using Commander.js with csv2sql as the binary name, three subcommands (convert, preview, schema), colored output using chalk, a config file for default table naming conventions, and proper exit(1) on parse errors.
Model Recommendation
GPT-4o or Claude Sonnet 4. Both work well for CLI tools.