[HN] Show HN: Tokf – Stop wasting LLM context on verbose build output

Summary

Tokf is a new Rust CLI tool designed to optimize the use of LLM context windows by filtering verbose build outputs from commands like `cargo test` or `npm run build`. It intercepts and compresses command output using TOML-defined filters, removing noise such as passing tests and repetitive warnings. This allows AI coding tools to focus on critical information, significantly reducing token waste and improving efficiency for developers.

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