nanobot (HKUDS/nanobot) is “The Ultra-Lightweight OpenClaw” created by the Data Intelligence Lab at Hong Kong University (HKU). It implements 99% fewer lines of code than OpenClaw, making it ideal for research and education.
Features include ClawHub skill integration, Telegram/Feishu/WeChat channel support, native Anthropic and OpenAI SDKs (litellm was removed after a supply chain incident), MCP custom auth, Anthropic prompt caching, Langsmith observability, and Ollama local model support.
Latest version v0.1.4.post5, updated March 21, 2026. Provided for educational, research, and technical exchange purposes.