Rtk

Agent-agnostic token optimization: compress, route, filter, and more.

  One composable pipeline across everything your AI agent reads and sends — built on RTK's battle-tested bash-output compression (up to 90% smaller).

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rtk filters and compresses command outputs before they reach your LLM context. Single Rust binary, 100+ supported commands,  Full explanation: How RTK Savings Work
Installation

Then check you have the right package — another project named "rtk" exists on crates.io:
Cargo, pre-built binaries, native Windows, WSL, and uninstall: Installation guide

What You Install

RTK ships as three downloads. The two rtk editions install a binary with the same name — hooks, scripts and agent config work unchanged across both — so they cannot be installed together. Uninstall one before installing the other.

Production use is free, engine and daemon included. What the BUSL grant does not cover is offering RTK or a derivative to third parties as a commercial product or service — for that, contact contact@rtk-ai.app.
What the Apache-2.0 edition omits and where the licence boundary falls: Editions and Licensing

Quick Start

The agent receives compact output without ever calling rtk explicitly.

The hook only fires on Bash tool calls. Built-in tools like Read, Grep and Glob do not pass through it. Use shell commands (cat, rg, find) or call rtk read, rtk grep, rtk find directly.
Per-agent setup, --dry-run, and uninstall: Quick Start · Supported Agents

How It Works

Four strategies applied per command type:

1. Smart Filtering - Removes noise (comments, whitespace,…