Simple Prompt Optimizer

2

Transforms user prompts into optimized versions using the CO-STAR framework with instant improvement and deep critique-and-refine modes.

GitHub
Category Libraries
Added Mar 28, 2026
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A lightweight prompt optimization server that transforms user prompts into high-performance versions using the CO-STAR framework (Context, Objective, Style, Tone, Audience, Response). Offers two optimization modes: instant improvement for quick enhancements and deep optimization with critique-and-refine workflow for complex prompts. Integrates with OpenRouter API and supports multiple task types including coding, creative writing, analysis, and debugging.

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