Show HN: Lowfat – pluggable CLI filter that saved 91.8% of my LLM tokens

lowfat is a lightweight CLI tool that reduces AI token costs by filtering unnecessary CLI output before it reaches your agent.

Core focus

Lightweight — Small single binary, small core; but extensible.

— Small single binary, small core; but extensible. Local-first — No telemetry; you own your data.

— No telemetry; you own your data. Composable — UNIX-style pipes, mix built-ins and your own filters; not magic.

— UNIX-style pipes, mix built-ins and your own filters; not magic. User-owned — lowfat history shows what you run most; allow you to customize for your usecase.

Install

cargo install lowfat # or brew install zdk/tools/lowfat

Pre-built binaries on GitHub Releases.

Setup

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