fastapi-langgraph-chatbot-with-vector-store-memory-mcp-tools-and-voice-mode

A scalable AI chatbot platform built with FastAPI and LangGraph, featuring multi-agent orchestration, multi-tenant vector storage, cross-chat memory, and voice call capabilities through LiveKit integration. Maintained by extrawest on GitHub, where it has earned 25 stars from the community.

It's actively developed around fastapi, firecrawl, langchain, and is a solid reference for anyone building with these tools.