Gen-AI Developer Classroom notes 03/Dec/2025

What does MCP Server Expose

• MCP Servers expose
  • tools: actions
  • resources: read-only data
  • prompts: reusable prompts

MCP Flow Diagrams

• Transport
• Messages schema: Try following prompts

I want you to show the communication between mcp client and mcp server with messages exchanged . Can you show initialization

Can you show tool calling.

Let build our First MCP Server

• Refer Here for mcp server
• Create a new folder hello_mcp

mkdir hello_mcp
cd hello_mcp

• Lets initialize the project

uv init .
uv sync

• Activate the virtual environment
  • windows .venv\Scripts\activate
  • other source .venv/bin/activate
• Launch vscode

code .

• Add dependencies

uv add "mcp[cli]" httpx

• Now lets create a file called hello.py

• reference example windows

{
  "mcpServers": {
    "my-uv-mcp-server": {
      "command": "uv",
      "args": [
        "run",
        "D:\\mcp\\servers\\myserver\\server.py"
      ],
      "cwd": "D:\\mcp\\servers\\myserver",
      "env": {
        "ENV": "prod",
        "LOG_LEVEL": "debug"
      }
    }
  }
}

• reference example linux or mac

{
  "mcpServers": {
    "my-linux-uv-server": {
      "command": "uv",
      "args": [
        "run",
        "/home/khaja/mcp/myserver/server.py"
      ],
      "cwd": "/home/khaja/mcp/myserver",
      "env": {
        "ENV": "prod",
        "LOG_LEVEL": "debug"
      }
    }
  }
}

• Refer Here for the changes