Open-Source CLI Tool SAGE Cuts AI Token Usage by 93% for Coding Workflows

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A developer has released SAGE (Smart Agent Guidance Engine), a free, open-source command-line tool designed to reduce token consumption when using AI coding assistants like Claude and Codex. The tool sits between the terminal and AI agents, compressing verbose command output in real time — shrinking outputs like pytest results from roughly 30,000 tokens down to around 2,000. Over three days of personal use, the developer reports processing over 6,600 commands and saving an estimated 15.3 million tokens, equivalent to approximately $45 at Claude Sonnet pricing. Beyond compression, SAGE includes over ten specialized agents that can detect exposed secrets, flag dependency issues, and learn command patterns to predict failures. The project is MIT-licensed, runs entirely locally by default, and is available on GitHub under the handle PsYcGoD/sage.

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