README.md

metadata

title: Multi Agent Chat
emoji: 🤖
colorFrom: blue
colorTo: indigo
sdk: docker
pinned: false
app_port: 7860

🤖 Multi-Agent AI System

Production-ready AI backend (FastAPI + LangGraph) with a modern React.js chat frontend.

Try on Huggingface Space

API SwaggerUI

Features

• React Frontend: Gradient UI, chat memory
• Four AI Agents: Weather, Documents (RAG), Meetings, SQL
• Vector Store RAG: ChromaDB semantic search
• Reliable Tool Execution: Deterministic tool calls
• File Upload: PDF, TXT, MD, DOCX support
• One-Command Start: start.bat or start.sh

Quick Start

Windows:

./start.bat

Linux/Mac:

chmod +x start.sh && ./start.sh

Frontend: http://localhost:3000 Backend: http://localhost:7860

Manual Setup

Backend:

uvicorn main:app --reload

Frontend:

cd frontend
npm install
npm start

Usage Examples

• Weather: "What's the weather in Chennai?"
• Documents: Upload PDF → Ask "What is the policy?"
• Meetings: "Schedule team meeting tomorrow at 2pm"
• Database: "Show all meetings scheduled tomorrow"

Architecture

React UI (3000) → FastAPI (7860) → LangGraph
                                 ↓
           ┌──────────┬────────┬─────────┬────────┐
           │ Weather  │ Docs   │ Meeting │  SQL   │
           │  Agent   │ +RAG   │  Agent  │ Agent  │
           └──────────┴────────┴─────────┴────────┘

Configuration (.env)

GITHUB_TOKEN=ghp_...              # Optional (GitHub search)
OPENWEATHERMAP_API_KEY=...        # Required for weather

Get tokens:

• GitHub
• OpenWeather

Project Structure

cr-agent/
├── agents.py              # AI agents
├── main.py                # FastAPI server
├── tools.py               # Tool implementations
├── vector_store.py        # ChromaDB RAG
├── start.bat              # One-command startup
└── frontend/              # React UI
    ├── src/App.js
    └── package.json

Documentation

• COMPLETE_SETUP.md: Full setup guide
• FRONTEND_SETUP.md: Frontend details
• TOOL_CALLING_ISSUE.md: Technical analysis

Test Results

• Weather Agent: ✅ Working
• Document RAG: ✅ Working (similarity: 0.59-0.70)
• SQL Agent: ✅ Working
• Meeting Agent: ✅ Working

Tech Stack

• FastAPI, LangGraph, ChromaDB
• React 18, Axios
• sentence-transformers
• Docling

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Made with ❤️ using FastAPI, LangGraph, React, and ChromaDB