I will build an ai agent with rag, langchain, and knowledge base chatbot

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usmanautomate1
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usmanautomate1
Usman Khan

About this gig

Need an AI agent that actually knows your business, not a generic chatbot guessing answers?

I build agentic AI systems using RAG (Retrieval-Augmented Generation), multi-tool agents, and persistent memory. Your agent retrieves real answers from your own documents, database, or knowledge base, takes actions like bookings and CRM updates, and remembers context across a conversation.

What I Build:

  • RAG Chatbot trained on your docs, PDFs, website, or database for accurate answers
  • Multi-Tool AI Agent retrieval, calculations, and CRM actions in one agent
  • Multi-Agent Systems specialist agents coordinated by an orchestrator
  • Conversation Memory persistent, multi-turn context, no repeated questions
  • Hybrid Search and Reranking for high-accuracy retrieval at scale
  • Production Reliability retry logic, graceful error handling

Stack: n8n, LangChain concepts, Supabase, OpenAI, Gemini, Claude, Airtable

10+ years real business experience. Every agent tested on real edge cases, built with retry logic and error handling for reliability. Systems built in your own accounts, full ownership.

Get to know Usman Khan

Usman Khan

AI Automation Architect for Vapi Voice Agents, RAG and n8n Systems

  • FromPakistan
  • Member sinceJun 2026
  • Avg. response time1 hour
  • Languages

    English
Hi, I’m an AI Automation Architect building production-grade AI systems for US, UK & global businesses. What I Build: • Voice AI Agents (Vapi / Retell AI): 24/7 lead qualification, calling & CRM booking (

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