feat: implement skillbox-cli — AI tool skill manager

.gitignore

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+node_modules/
+dist/
+*.log
+.DS_Store
+*.tsbuildinfo

README.md

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 # skillbox-cli
+
+> **The AI Tool Skill Manager** — Organize, enable, and disable skills across Claude Code, Cursor, GitHub Copilot, and more from a single interactive terminal UI.
+
+[![npm version](https://img.shields.io/npm/v/skillbox-cli)](https://www.npmjs.com/package/skillbox-cli)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![Node.js](https://img.shields.io/badge/node-%3E%3D18.0.0-brightgreen)](https://nodejs.org/)
+
+📖 **[中文文档 →](./README.zh.md)**
+
+---
+
+## What is skillbox-cli?
+
+`skillbox-cli` is a command-line tool that helps you manage **AI tool skills** (also called commands, rules, or plugins) installed across multiple AI coding assistants on your local machine.
+
+As AI coding tools become more powerful, you might accumulate **dozens of skills** — custom commands, prompt files, and rules — spread across Claude Code, Cursor, GitHub Copilot/Codex, OpenClaw, and more. `skillbox-cli` gives you a **single place to view, enable, and disable them all**.
+
+---
+
+## Why Do You Need skillbox-cli?
+
+Modern AI coding tools support custom skills/plugins:
+
+- **Claude Code** stores custom slash commands in `~/.claude/commands/`
+- **Cursor** stores project/user rules in `~/.cursor/rules/`
+- **GitHub Copilot / Codex** stores skills in `~/.codex/skills/`
+- **OpenClaw** stores skills in `~/.openclaw/skills/`
+
+### The Problem
+
+- 🗂️ **Skill bloat**: You accumulate 20, 30, even 50+ skill files across tools
+- 🤯 **Context overload**: Every active skill adds context tokens to the LLM prompt — too many skills degrade performance and increase cost
+- 🔀 **Inconsistent routing**: When too many skills are loaded, the AI model's skill-routing and recall logic becomes unreliable
+- 🔍 **No visibility**: There's no easy way to see all installed skills across tools in one place
+
+### The Solution
+
+`skillbox-cli` lets you:
+
+1. **See all your skills** grouped by tool in a clean TUI
+2. **Toggle skills on/off** instantly — disabled skills are safely backed up, not deleted
+3. **Restore skills** when you need them again
+4. **Reduce context noise** by keeping only the skills you actually need active
+
+---
+
+## Features
+
+- 📋 **Interactive TUI** — browse and toggle skills with keyboard navigation
+- 🔍 **Multi-tool support** — Claude Code, Cursor, Copilot/Codex, OpenClaw
+- 🔄 **Safe backup** — disabled skills are backed up to `~/.skillbox/backups/` (configurable)
+- ♻️ **Easy restore** — re-enable any backed-up skill with a single keypress
+- ⚙️ **Configurable paths** — override the default skill directory for any tool
+- 📊 **Stats command** — quick summary of enabled/disabled skills per tool
+
+---
+
+## Installation
+
+```bash
+# Install globally via npm
+npm install -g skillbox-cli
+
+# Or use npx (no install required)
+npx skillbox-cli
+```
+
+---
+
+## Quick Start
+
+```bash
+# Launch the interactive skill manager
+skillbox
+
+# Scan and launch (same as above)
+skillbox init
+
+# Or use the list alias
+skillbox list
+skillbox ls
+```
+
+### In the TUI
+
+| Key | Action |
+|-----|--------|
+| `↑` / `↓` | Navigate between skills |
+| `Space` or `Enter` | Toggle skill on/off |
+| `R` | Refresh skill list |
+| `C` | Show config path info |
+| `Q` or `Esc` | Quit |
+
+---
+
+## Commands
+
+### `skillbox` / `skillbox list` / `skillbox ls`
+
+Launch the interactive TUI to browse and toggle skills.
+
+```bash
+skillbox
+skillbox list
+skillbox ls
+```
+
+### `skillbox init`
+
+Scan all configured skill directories and launch the TUI.
+
+```bash
+skillbox init
+```
+
+### `skillbox stats`
+
+Print a summary of installed skills per tool.
+
+```bash
+skillbox stats
+```
+
+Output:
+```
+Skill Summary
+=============
+  Claude Code              4 enabled, 1 disabled
+  Cursor                   2 enabled, 0 disabled
+  GitHub Copilot / Codex   1 enabled, 0 disabled
+  OpenClaw                 0 enabled, 0 disabled
+
+  Total: 7/8 skills enabled
+```
+
+### `skillbox config`
+
+View or modify configuration.
+
+```bash
+# Show current config
+skillbox config
+
+# Set a custom backup directory
+skillbox config --backup-path ~/my-skill-backups
+
+# Override the skills path for a specific tool
+skillbox config --tool-path claude:~/.claude/my-custom-commands
+
+# Reset a tool path to its default
+skillbox config --reset-tool claude
+
+# List all supported tools and their defaults
+skillbox config --list-tools
+```
+
+---
+
+## Default Skill Paths
+
+| Tool | Default Skills Path |
+|------|---------------------|
+| **Claude Code** | `~/.claude/commands/` |
+| **Cursor** | `~/.cursor/rules/` |
+| **GitHub Copilot / Codex** | `~/.codex/skills/` |
+| **OpenClaw** | `~/.openclaw/skills/` |
+
+You can override any of these with `skillbox config --tool-path <tool>:<path>`.
+
+---
+
+## Backup & Restore
+
+When you **disable** a skill:
+- The skill file is moved from the tool's skills directory to `~/.skillbox/backups/<tool-name>/`
+- The original file is removed from the active skills folder
+
+When you **enable** a skill back:
+- The skill file is moved from the backup directory back to the tool's skills directory
+
+Backup directory: `~/.skillbox/backups/` (configurable via `skillbox config --backup-path`)
+
+---
+
+## Configuration File
+
+Configuration is stored at:
+- **Linux/macOS**: `~/.config/skillbox-cli-nodejs/config.json`
+- **Windows**: `%APPDATA%\skillbox-cli-nodejs\config.json`
+
+---
+
+## Use Cases
+
+- **Reduce LLM context** by disabling skills you don't need for your current project
+- **Project-specific skill sets** — enable/disable skill groups depending on the language or framework you're working with
+- **Experiment safely** — try a new skill, then disable it if it interferes with existing ones
+- **Audit your skills** — get a clear picture of everything installed across all your AI tools
+
+---
+
+## Requirements
+
+- Node.js >= 18.0.0
+- One or more AI coding tools with skill/command support
+
+---
+
+## Contributing
+
+Contributions are welcome! Feel free to open issues and pull requests.
+
+1. Fork the repository
+2. Create a feature branch
+3. Make your changes
+4. Submit a pull request
+
+---
+
+## License
+
+MIT
+
+---
+
+## Related Keywords
+
+skill manager, AI skills, Claude Code commands, Cursor rules, Copilot skills, Codex skills, AI tool management, skill organizer, prompt management, AI plugin manager, skillbox, skill CLI, AI assistant tools