oanhduong

Token Ninja — AI skill for Claude Code

AI community

token-ninja routes deterministic shell commands locally — zero LLM calls, ~19µs latency.

How to install Token Ninja

This entry records only its repository, not the path inside it, so there is no exact command to give. Open oanhduong/token-ninja and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Token Ninja does

token-ninja routes deterministic shell commands locally — zero LLM calls, ~19µs latency. Works silently inside AI tools via MCP.

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README

token‑ninja

The Claude Code companion that pays zero tokens for commands your shell already knows how to run.

**Built for Claude Code first.** `token-ninja` hooks into Claude Code's `UserPromptSubmit` event, intercepts commands like `git status`, `npm test`, or `docker ps` **before** they become an API call, runs them locally, and hands the result back to you — in the original colors, with a single dimmed footer line acknowledging the save. The model is never invoked. Zero input tokens, zero output tokens. Everything conversational flows through to Claude untouched.

Other AI tools (Codex, Cursor, Aider, Gemini, Continue) are supported via MCP, but the deepest, most invisible experience — the one that feels like you're just using Claude normally — is Claude Code.

[![CI](https://github.com/oanhduong/token-ninja/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/oanhduong/token-ninja/actions/workflows/ci.yml) [![npm](https://img.shields.io/npm/v/token-ninja.svg?color=cb3837&logo=npm)](https://www.npmjs.com/package/token-ninja) [![downloads](https://img.shields.io/npm/dw/token-ninja.svg?color=cb3837&logo=npm&label=downloads)](https://www.npmjs.com/package/token-ninja) [![node](https://img.shields.io/node/v/token-ninja.svg?color=339933&logo=nodedotjs)](https://nodejs.org) [![license](https://img.shields.io/github/license/oanhduong/token-ninja?color=blue)](LICENSE) [![stars](https://img.shields.io/github/stars/oanhduong/token-ninja?style=flat&logo=github)](https://github.com/oanhduong/token-ninja/stargazers) [![issues](https://img.shields.io/github/issues/oanhduong/token-ninja)](https://github.com/oanhduong/token-ninja/issues) [![last commit](https://img.shields.io/github/last-commit/oanhduong/token-ninja)](https://github.com/oanhduong/token-ninja/commits/main) [![MCP](https://img.shields.io/badge/MCP-compatible-7C3AED)](https://modelcontextprotocol.io)

[**Install**](#install) · [**Quickstart**](#quickstart) · [**How