The Open-Source AI
Coding Agent for Your Terminal
Provider-agnostic AI coding assistant with a rich TUI. Built with Bun, powered by Effect. Use Claude, OpenAI, Gemini, or run local models with Ollama.
Ready to assist. What would you like to build today?
Everything You Need for
AI-Powered Development
Built for developers who want full control over their AI coding tools.
Rich TUI
Mission Control sidebar with real-time context progress and keyboard shortcuts.
Multi-Provider Support
Claude, OpenAI, Gemini, GitHub Copilot, OpenRouter + local providers.
Bun-Native
Built with Bun and Effect framework. Fast startup, low memory usage.
Auto-Detection
Local AI servers discovered automatically — no configuration needed.
Plugin SDK
Build custom agents, tools, and providers with the plugin SDK.
MCP Support
Full Model Context Protocol support for external tools.
Get Started in Minutes
npm
npm install -g @simpletoolsindia/beast-cliBun
Homebrew
Scoop
From Source
beast /connectStart Building in 60 Seconds
# Start an interactive session beast # Run in a specific directory beast ./my-project
Your Models,
Your Choice
Cloud Providers
- 200+ models via OpenRouter
- Claude 4, GPT-4o, Gemini 2.5
Local Providers
Auto-detectedNo API keys needed. Your models, running locally.
Keyboard Shortcuts
Work faster with these shortcuts
NPM Packages
Explore all BeastCLI packages