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rtk (Rust Token Killer) - CLI proxy that filters/compresses command output before it reaches the LLM, cutting tokens 60-90% on ls/cat/grep/git/tests/etc. Fleet token-discipline tool. Prefix heavy read/inspect commands with `rtk`.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
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Use v0 Design Systems 2.0, Bolt Design System Agents, or Lovable to generate production UI from a client's real design system components — not generic Tailwind. Use when building a client website where brand consistency matters.
Umbrella workflow for delegating coding work to local agent CLIs such as Claude Code, Codex, and OpenCode.
| name | rtk-token-killer |
| description | rtk (Rust Token Killer) - CLI proxy that filters/compresses command output before it reaches the LLM, cutting tokens 60-90% on ls/cat/grep/git/tests/etc. Fleet token-discipline tool. Prefix heavy read/inspect commands with `rtk`. |
A single Rust binary that filters and summarises command output before it hits the LLM context. ~80% fewer tokens on common dev commands, <10ms overhead, 100+ commands. Apache-2.0. Directly serves our token-reduction doctrine.
brew install rtk # macOS
curl -fsSL https://raw.githubusercontent.com/rtk-ai/rtk/refs/heads/master/install.sh | sh # Linux/macOS -> ~/.local/bin
rtk --version
rtk ls rtk tree rtk read <file> # token-optimized read/list
rtk git status rtk git diff rtk git log # compact git
rtk grep <pat> rtk find -name x rtk diff a b # condensed search/diff
rtk test rtk err <cmd> # tests: only failures; cmd: only errors/warnings
rtk gh ... rtk docker ... rtk psql ... # compact gh/docker/db
rtk json <file> rtk env rtk deps # compact json/env/deps
rtk smart gives a 2-line technical summary of output.
rtk init -g # installs a global hook so common commands route through rtk automatically
Without the hook, just prefix manually with rtk.
Tested on appie-brain 2026-06-14 (rtk 0.42.4): rtk git status, rtk ls return compact output correctly. Pushed fleet-wide.