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Usman-rai/README.md

Hi, I'm Usman 👋

AI Automation Developer | n8n & Voice Agent Specialist

I build voice agents, WhatsApp bots, and n8n workflows that answer calls and messages, check real calendars, and get the appointment booked — automatically, day or night.

n8n VAPI GHL Claude OpenAI Python


🤖 What I Build

  • AI voice receptionists that answer calls, check calendars, and book appointments.
  • WhatsApp AI booking bots for healthcare clinics and appointment-based businesses.
  • n8n automation workflows connecting voice, messaging, calendars, and databases.
  • AI lead generation pipelines with automatic scoring and outreach.
  • Inbound lead qualifiers with AI scoring, Slack routing, and auto-replies.

🔥 Currently Working With

Tool What I Use It For
VAPI Voice AI agents that answer real phone calls
ElevenLabs Human-sounding voices for voice agents
n8n Core automation platform for all workflows
Twilio Phone calls, SMS dispatch, WhatsApp
Airtable Database layer for all automation systems
WhatsApp API 24/7 patient and customer communication
Claude API AI reasoning inside automation workflows

🚀 Featured Projects

🎙️ GHL AI Voice Booking Agent (GoHighLevel Edition)

A specialized 24/7 AI voice receptionist integrated directly with GoHighLevel. Handles inbound calls, checks live GHL calendar availability, books appointments, and instantly updates the CRM pipeline.

📂 View Repository (Architecture & Details)

🎙️ AI Voice Appointment Booking Agent (General Edition)

A 24/7 AI voice receptionist named Sarah. Answers inbound calls, understands natural speech, checks a live Google Calendar for real open slots, and books the appointment on the spot.

📂 View Repository (Architecture, Live Demo & Details)

🦷 WhatsApp AI Booking Bot

A WhatsApp assistant for appointment-based businesses. Handles patient inquiries and completes the booking in an average of three messages, synced straight to the calendar.

📂 View Repository (Architecture, Demo & Details)

📊 Inbound Lead Qualifier (n8n)

Scores inbound leads using AI, routes hot leads to Slack instantly, and sends a personalized auto-reply — a fully automated B2B triage system.

📂 View Repository (Workflow & Details)

🔍 AI Lead Hunter

Scrapes Google Maps, analyzes business websites, scores each lead 0–100 by opportunity, and saves qualified prospects to Google Sheets automatically.

📂 View Repository (Workflow & Details)

🧠 RAG-Based Knowledge Chatbot

An intelligent retrieval-augmented generation (RAG) system that uses vector databases to give AI agents dynamic memory and context from company documents.

📂 View Repository (Architecture & Details)


🛠 Full Tech Stack

  • Voice AI: VAPI • ElevenLabs • Twilio Voice • Deepgram
  • Automation: n8n • Webhooks • REST API Integration
  • AI & Agents: Claude API • OpenRouter • Groq • Gemini • OpenAI • LangChain • RAG Chatbots
  • Communication: Twilio • WhatsApp Business API • Gmail API • Slack
  • Databases: Airtable • Google Sheets • Google Calendar
  • Lead Generation: Apify • Google Maps API

💡 What Makes My Builds Different

→ Voice agents that work on a real phone call Not just a chatbot. Sarah answers inbound calls, understands natural speech like "next Tuesday at 2," checks the live calendar, and books the slot. Try it yourself — no signup needed.

→ Production-ready systems Every build ships with error handling and complete documentation. Not demos — working systems that actually run.

→ Honest delivery I only claim what actually works. Every project listed here is live and testable.


📚 Currently Learning & Education

  • 🎓 BS Computer Science — University of Central Punjab (Enrolled, Class of 2030)
  • 🐍 Active Learning — Mastering core computer science basics and Python backend scripting — learning in public, mistakes included.

📫 Contact & Availability

Open to freelance work & agency roles — reach out anytime.

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  1. inbound-lead-qualifier-n8n inbound-lead-qualifier-n8n Public

    AI-powered lead qualification & routing for marketing agencies. n8n + Groq + Airtable + Slack + Gmail.

    1

  2. leadhunter-ai leadhunter-ai Public

    AI agent that finds & scores business leads from Google Maps in 60 seconds

    1

  3. personal-assistant-voice-agent personal-assistant-voice-agent Public

    A personal assistant voice agent using ElevenLabs + n8n. It can answer user questions, schedule meetings, send appointment notifications, provide personal or business information, and act as a voic…

  4. Rag-based-Chatbot. Rag-based-Chatbot. Public

    A Retrieval-Augmented Generation (RAG) based chatbot that answers questions using a custom knowledge base and AI language models.

    1

  5. whatsapp-ai-booking-bot whatsapp-ai-booking-bot Public

    24/7 WhatsApp AI appointment booking system for healthcare clinics — n8n + Google Gemini + Twilio

    1

  6. voice-appointment-booking-agent voice-appointment-booking-agent Public

    24/7 AI voice receptionist that books appointments by phone — VAPI + n8n + Google Calendar

    2