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Md Mahadi Hasan
Md Mahadi Hasan

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My 5-Day Journey into AI Agents ๐Ÿš€

AI Agents Intensive Course โ€“ Google x Kaggle

Introduction

I joined the 5-Day AI Agents Intensive Course with Google and Kaggle to understand how modern AI agents work and how they can be used to solve real-world problems.

Before this course, I only used simple chatbots. After this course, I learned how to build real multi-agent systems with tools, memory, and workflows.

This is my learning journey and project reflection.


๐Ÿ—“๏ธ Day 1 โ€“ From Prompts to Real Agents

What I learned:

  • Difference between a chatbot and an AI agent
  • How agents can take actions instead of only replying
  • Basic agent architectures

My reflection:

This was the biggest mindset shift for me. I learned that agents are not just โ€œsmart repliesโ€ โ€” they are systems that can think, decide and act.


๐Ÿ› ๏ธ Day 2 โ€“ Agent Tools & Interoperability

What I learned:

  • How agents use tools (functions / APIs)
  • How tools help agents interact with external systems
  • Best practices for safe tool usage

My application:

I created appointment tools that allow my agent to:

  • Create new hospital appointments
  • Fetch existing appointment details from a CSV database

This made my agent feel like a real working system.


๐Ÿง  Day 3 โ€“ Sessions & Memory (Context Engineering)

What I learned:

  • How agents remember conversations
  • Session handling and memory storage
  • Why memory makes agents feel more human

My implementation:

I connected my main agent with:

  • InMemorySessionService
  • InMemoryMemoryService

Now my hospital agent can remember user context during a session.


โœ… Day 4 โ€“ Agent Quality & Observability

What I learned:

  • How to measure agent quality
  • Observability: tracking what agents think and do
  • Why evaluation matters in production agents

My reflection:

This day helped me understand that building an agent is not only about features โ€” it's about trust, reliability, and safety.


๐Ÿš€ Day 5 โ€“ Multi-Agent System (Agent2Agent)

What I learned:

  • How agents communicate with other agents
  • Agent2Agent (A2A) architecture
  • How to deploy agents

My capstone implementation:

I built a multi-agent hospital system:

  • A Remote Appointment Agent (handles CSV data)
  • A Hospital Orchestrator Agent (talks to users and calls the remote agent)

This design makes the system scalable and modular.


๐Ÿฅ My Capstone Project โ€“ Hospital Appointment AI Agent

Project Idea

Many hospitals still use manual appointment systems.

I built an AI agent system that can:

  • Book appointments
  • Assign rooms automatically by time
  • Fetch appointment details instantly

Architecture

Flow

User โ†’ Orchestrator Agent โ†’ Remote Appointment Agent โ†’ CSV Database
This architecture helped me understand real-world agent system design.

๐ŸŽ“ Capstone Project Demo

๐ŸŽฅ Demo Video: https://www.youtube.com/watch?v=F0c6Xfe7FCE


๐ŸŽฏ Key Learnings

  • Agents are action-driven, not only chat-driven
  • Tools turn agents into real applications
  • Memory and sessions create personalized experiences
  • Multi-agent systems are powerful and scalable

๐Ÿ™ Gratitude

I sincerely thank Google and Kaggle for organizing this amazing 5-Day AI Agents Intensive Course.

It gave me hands-on experience and confidence to build real AI agent systems.

This course changed how I see AI โ€” from simple chatbots to intelligent, autonomous systems.


๐Ÿ”ฎ If I Had More Time

If I had more time, I would:

  • Add voice support to the agent
  • Build a web UI dashboard
  • Connect it with real hospital APIs
  • Add authentication and security layers

Final Thoughts

This course was not just learning โ€” it was building, experimenting, and growing.

I am excited to continue my journey in Agentic AI.

Thank you! ๐Ÿš€

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