promptctl

promptctl

CLI for prompt engineering and LLM cost optimization

olegkoval
@olegkoval
Published on May 25, 2026
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Free
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CLI

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About promptctl

promptctl is a lightweight CLI tool designed for prompt engineering and LLM cost optimization. This single binary requires no dependencies and can be installed easily via Homebrew. It allows you to structure every prompt and achieve significant savings of 55–71% on models like Claude, GPT-5, and Groq.

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olegkoval
@olegkoval

promptctl is a lightweight CLI tool designed for prompt engineering and LLM cost optimization. This single binary requires no dependencies and can be installed easily via Homebrew. It allows you to st