🔥Model Context Protocol (MCP) Explained | Architecture, Transport Layer & Spring AI Implementation

Model Context Protocol (MCP) is changing how LLMs interact with tools, files, and external systems — and in this video, you’ll understand MCP from absolute basics to real implementation.
This 1-hour deep-dive explains:
What MCP is and why it exists
MCP architecture explained visually and logically
How MCP transport layer works (communication mechanism)
MCP Host, Client, and Server responsibilities
How LLMs interact with MCP internally
Real MCP FileSystem implementation using Spring Boot and Spring AI

⏱️ Video Chapters

00:00 – 00:51
Introduction to MCP & why it matters in AI

00:51 – 03:05
Why AI apps can’t access external systems

03:05 – 05:40
Limitations of function & tool calling

05:40 – 07:36
What is MCP? Open standard explained

07:36 – 08:46
Exploring official MCP documentation

08:46 – 10:43
MCP as USB-C for AI (Best analogy)

10:43 – 12:37
What MCP enables & why developers need it

12:37 – 13:42
MCP architecture: Host, Client & Server

13:42 – 14:02
MCP layers: Data & Transport

14:02 – 14:49
Why MCP when HTTP already exists?

14:49 – 21:19
Deep dive: MCP working flow

21:19 – 22:56
MCP implementation plan (Spring Boot)

22:56 – 27:07
Finding MCP servers on GitHub

27:07 – 29:52
Use cases & next steps

29:52 – 32:29
Creating Spring Boot project

32:29 – 34:57
Adding required dependencies

34:57 – 36:31
OpenAI API configuration

36:31 – 38:15
Creating REST controller

38:15 – 39:30
ChatClient demo (without MCP)

39:30 – 41:20
Connecting to MCP server

41:20 – 43:30
Running File System MCP Server

43:30 – 46:00
Verifying MCP server & tools

46:00 – 47:45
MCP client configuration

47:45 – 50:30
Injecting MCP client in Spring Boot

50:30 – 52:00
Enabling tool calling

52:00 – 54:30
Creating files using MCP

54:30 – 56:00
How AI selects tools automatically

56:00 – 58:00
Testing MCP integration

58:00 – 01:00:00
File creation verification

01:00:00 – 01:02:00
Real-world power of MCP

01:02:00 – 01:04:00
Complete MCP flow recap

01:04:00 – 01:06:00
Final thoughts & next learning steps



If you’re a Java developer, backend engineer, or exploring LLM infrastructure, this video will give you a clear mental model + practical implementation.

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Disclaimer:
All videos are for educational purposes and use them wisely. Any video may have a slight mistake, please take decisions based on your research. This video is not forcing anything on you.