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I will build your n8n rag agent and custom knowledge base chatbot
Selim Hossain
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Tired of answering repetitive customer questions manually or missing leads after hours?
I build custom ai knowledge base chatbot solutions and n8n rag agent workflows that automate your support strictly using your verified business data.
Combining n8n automation with a dedicated rag chatbot ensures your custom chatbot retrieves exact facts from your documents, PDFs, or website before generating any response. Zero guessing, zero hallucination, and 100% accurate responses.
What I build for your business:
- Custom n8n rag agent tailored to your company files and support systems
- Multi-channel custom chatbot deployment (Website, WhatsApp, Telegram, or CRM)
- Vector database integration (Pinecone/Qdrant) for instant context retrieval
- Hallucination-free AI support grounded strictly in your proprietary data
- Complete handover: full source workflow documentation and video walkthrough
Why choose an n8n automation architecture? Visual n8n workflows give you full transparency and controlmaking your AI system easy to maintain, scalable, and completely free from locked-in developer retainer fees.
Message me before ordering to analyze your data structure and scope the exact solution you need.
Conoce a Selim Hossain
Selim Hossain
AI Automation and AI Agent, n8n RAG, Knowledge Base Chatbot
- DeBangladesh
- Miembro desdemay 2023
- Responde aprox. en:1 hora
Idiomas
Bengalí, Inglés
Hi, I'm Selim. I build production-grade AI automations, n8n RAG agents, and custom web apps via vibe coding.
Core Expertise:
- n8n Workflows: Lead routing, WhatsApp automation, CRM sync & appointment booking.
- RAG & Support Agents: 24/7 AI chatbots trained on custom knowledge bases, PDFs & documents.
- Voice & Custom Apps: Vapi voice agents & React/Next.js apps with fail-safe logic.
Real build: Live WhatsApp & custom web AI agents pulling real-time product data.
Tech: n8n, Make, Zapier, GoHighLevel, Vapi, OpenAI, Claude, Pinecone.
Message me to automate your workflow!
FAQ
How does a RAG chatbot differ from a standard chatbot, and how does it prevent hallucinations?
A standard chatbot relies on general data and invents facts. A RAG chatbot retrieves exact info from your verified business documents before answering. Using n8n automation and vector databases, your custom chatbot stays strictly grounded in your actual content with zero hallucinations.
What files or data sources can I use to train my custom knowledge base chatbot?
You can train your custom AI chatbot on PDFs, Word documents, Excel/CSVs, text files, Notion pages, or direct website links. We index your content securely so your n8n RAG agent can pull context-aware answers instantly.
Is my company data safe, and who owns the chatbot workflow?
Your data security is completely prioritized. Your documents are stored in encrypted vector databases within your own accounts. You retain 100% ownership of all n8n visual workflows, source JSONs, and data, with no vendor lock-in.
Where can I deploy the bot, and can it perform actions like CRM sync?
Yes. Beyond answering questions, an n8n RAG agent can perform tasks like capturing leads, booking calendar appointments, or syncing data with CRMs like HubSpot and Zoho. We can deploy your custom chatbot on your website widget, WhatsApp, Telegram, or Slack.
What are the ongoing monthly costs after delivery?
You only pay for your direct API usage (such as OpenAI or Pinecone), which typically ranges between $5 to $30/month for small businesses depending on traffic. Building with visual n8n automation means your architecture is easy to maintain without paying monthly developer retainer fees.
How do I update or add new documents to the knowledge base later?
We structure your n8n RAG agent workflow so updating documents is seamless. You will receive complete documentation and a custom Loom video walkthrough showing you how to add, remove, or refresh files in your vector database without writing any code.
Can the chatbot work seamlessly across websites, WhatsApp, and Slack at the same time?
Yes. Built on a centralized n8n RAG agent architecture, your custom chatbot logic and vector database memory remain unified while connecting to multiple channels. We can deploy the exact same AI engine to your website chat widget, WhatsApp business API, Telegram, or Slack workspace simultaneously.
