nanobot: Ultra-Lightweight Personal AI Assistant

🐈 nanobot is an ultra-lightweight personal AI assistant inspired by Clawdbot

⚡️ Delivers core agent functionality in just ~4,000 lines of code — 99% smaller than Clawdbot's 430k+ lines.

📢 News

• 2025-02-01 🎉 nanobot launched! Welcome to try 🐈 nanobot!

Key Features of nanobot:

🪶 Ultra-Lightweight: Just ~4,000 lines of code — 99% smaller than Clawdbot - core functionality.

🔬 Research-Ready: Clean, readable code that's easy to understand, modify, and extend for research.

⚡️ Lightning Fast: Minimal footprint means faster startup, lower resource usage, and quicker iterations.

💎 Easy-to-Use: One-click to depoly and you're ready to go.

🏗️ Architecture

✨ Features

📈 24/7 Real-Time Market Analysis	🚀 Full-Stack Software Engineer	📅 Smart Daily Routine Manager	📚 Personal Knowledge Assistant
Discovery • Insights • Trends	Develop • Deploy • Scale	Schedule • Automate • Organize	Learn • Memory • Reasoning

📦 Install

Install from PyPi

pip install nanobot-ai

Install from source (recommended for development)

git clone https://github.com/HKUDS/nanobot.git
cd nanobot
pip install -e .

🚀 Quick Start

Tip

Set your API key in ~/.nanobot/config.json. Get API keys: OpenRouter (LLM) · Brave Search (optional, for web search) You can also change the model to minimax/minimax-m2 for lower cost.

1. Initialize

nanobot onboard

2. Configure (~/.nanobot/config.json)

{
  "providers": {
    "openrouter": {
      "apiKey": "sk-or-v1-xxx"
    }
  },
  "agents": {
    "defaults": {
      "model": "anthropic/claude-opus-4-5"
    }
  },
  "webSearch": {
    "apiKey": "BSA-xxx"
  }
}

3. Chat

nanobot agent -m "What is 2+2?"

That's it! You have a working AI assistant in 2 minutes.

💬 Chat Apps

Talk to your nanobot through Telegram or WhatsApp — anytime, anywhere.

Channel	Setup
Telegram	Easy (just a token)
WhatsApp	Medium (scan QR)

Telegram (Recommended)

1. Create a bot

• Open Telegram, search @BotFather
• Send /newbot, follow prompts
• Copy the token

2. Configure

{
  "channels": {
    "telegram": {
      "enabled": true,
      "token": "YOUR_BOT_TOKEN",
      "allowFrom": ["YOUR_USER_ID"]
    }
  }
}

Get your user ID from @userinfobot on Telegram.

3. Run

nanobot gateway

WhatsApp

Requires Node.js ≥18.

1. Link device

nanobot channels login
# Scan QR with WhatsApp → Settings → Linked Devices

2. Configure

{
  "channels": {
    "whatsapp": {
      "enabled": true,
      "allowFrom": ["+1234567890"]
    }
  }
}

3. Run (two terminals)

# Terminal 1
nanobot channels login

# Terminal 2
nanobot gateway

⚙️ Configuration

Full config example

{
  "agents": {
    "defaults": {
      "model": "anthropic/claude-opus-4-5"
    }
  },
  "providers": {
    "openrouter": {
      "apiKey": "sk-or-v1-xxx"
    }
  },
  "channels": {
    "telegram": {
      "enabled": true,
      "token": "123456:ABC...",
      "allowFrom": ["123456789"]
    },
    "whatsapp": {
      "enabled": false
    }
  },
  "tools": {
    "web": {
      "search": {
        "apiKey": "BSA..."
      }
    }
  }
}

CLI Reference

Command	Description
nanobot onboard	Initialize config & workspace
nanobot agent -m "..."	Chat with the agent
nanobot agent	Interactive chat mode
nanobot gateway	Start the gateway
nanobot status	Show status
nanobot channels login	Link WhatsApp (scan QR)
nanobot channels status	Show channel status

Scheduled Tasks (Cron)

# Add a job
nanobot cron add --name "daily" --message "Good morning!" --cron "0 9 * * *"
nanobot cron add --name "hourly" --message "Check status" --every 3600

# List jobs
nanobot cron list

# Remove a job
nanobot cron remove <job_id>

📁 Project Structure

nanobot/
├── agent/          # 🧠 Core agent logic
│   ├── loop.py     #    Agent loop (LLM ↔ tool execution)
│   ├── context.py  #    Prompt builder
│   ├── memory.py   #    Persistent memory
│   ├── skills.py   #    Skills loader
│   ├── subagent.py #    Background task execution
│   └── tools/      #    Built-in tools (incl. spawn)
├── skills/         # 🎯 Bundled skills (github, weather, tmux...)
├── channels/       # 📱 WhatsApp integration
├── bus/            # 🚌 Message routing
├── cron/           # ⏰ Scheduled tasks
├── heartbeat/      # 💓 Proactive wake-up
├── providers/      # 🤖 LLM providers (OpenRouter, etc.)
├── session/        # 💬 Conversation sessions
├── config/         # ⚙️ Configuration
└── cli/            # 🖥️ Commands

🗺️ Roadmap

• Multi-modal — See and hear (images, voice, video)
• Long-term memory — Never forget important context
• Better reasoning — Multi-step planning and reflection
• More integrations — Discord, Slack, email, calendar
• Self-improvement — Learn from feedback and mistakes

Want to help? Pick an item and open a PR!

🤝 Contribute

PRs welcome! The codebase is intentionally small and readable. 🤗

Thanks for visiting ✨ nanobot!