Chatty – Open-source autonomous AI chat agent with tool calling

Chatty is an MIT-licensed, self-hostable open-source alternative to Zendesk and Intercom that answers customer questions, captures leads, and books meetings across web, WhatsApp, Slack, and other channels. It offers a visual flow builder, pgvector-based RAG over documents and WooCommerce data, a LiveKit voice agent, bring-your-own-key LLM support, and an 81-tool FastMCP server, deployable via Docker Compose against a managed Supabase instance.