AI Chatbot Framework - Contextual Customer Support

AI Agent (Python + LangGraph)

About

Reusable chatbot framework built on LangGraph with contextual conversation management, knowledge base integration, and tool-calling capabilities for customer support automation.

My Role

Architected and built a reusable chatbot framework with conversation state management, RAG-powered knowledge base, and extensible tool system.

Core Capabilities

• Contextual conversation management with LangGraph state
• RAG-powered knowledge base for domain-specific answers
• Tool-calling for external system integrations
• Conversation history and session persistence

Architecture

• LangGraph conversation state machine
• Vector store for knowledge base retrieval
• OpenAI function calling for tool invocation
• Session management with thread-based persistence

Tech Stack