Configure API Key

Enter your Gemini API key to use the prompt engineering tools

Get your free API key from Google AI Studio

Model: This application uses gemini-2.5-flash. Ensure your API key has access to this model version.

Privacy: We do not store or save your API keys. Keys are kept only in your browser session and automatically cleared when you close the browser.

Generate Prompt

Multi-Platform Prompts

Create optimized prompts for Claude, ChatGPT, and Gemini with platform-specific formatting and best practices.

Evaluate Prompt

Multi-Platform Prompt Evaluation Agent

Use dual-agent architecture to evaluate and iteratively improve prompts through AI assessment.

Browse Documents

Documents & Primers

Browse and read comprehensive guides, advanced techniques, and reference materials for prompt engineering.