Show HN: Prefex bundles 15 viral token saver repos into local no telemetry proxy (github.com)

Prefex has launched a local-first proxy tool designed to significantly reduce costs associated with using the Claude Code and other AI APIs from Anthropic and OpenAI. By compiling multiple viral optimization techniques into a single Go-based binary, Prefex provides users with a streamlined way to implement cost-saving strategies without modifying their existing code or sending data to external servers. It leverages smart routing, prompt-caching assistance, and memory management, among several other innovative features, allowing users to efficiently interact with AI models while maintaining complete control of their data. The significance of Prefex lies in its client-agnostic approach, as it can be used with any API that allows custom base URLs, potentially transforming how developers manage their AI API costs. Key functionalities include an honest savings dashboard, background monitoring of API requests, and independent error-handling for robustness. With Prefex currently in Early Access and a promise of no telemetry or external data tracking, it offers both an attractive solution for cost-conscious developers and an intriguing experiment in optimizing AI infrastructure while prioritizing user privacy and control.