flowchart TB
    subgraph Client["Client Layer"]
        C[mcp_client.py<br/>Stdio Client Connector]
    end

    subgraph Server["Server Layer (Controller)"]
        S[mcp_server.py<br/>FastMCP Server]
        T[convert_pdf Tool]
        P[summarize_markdown Prompt]
    end

    subgraph Model["Model Layer"]
        M[PyMuPDF / fitz<br/>PDF Text Extraction]
    end

    subgraph View["View Layer"]
        V[Markdown Formatter<br/>## Page N]
    end

    C -->|stdio JSON-RPC| S
    S --> T
    T --> M
    M --> V
    V --> T
    T --> S
    S -->|Tool Result| C

python -m venv venv
# Windows
.\venv\Scripts\pip install -r requirements.txt
# macOS / Linux
source venv/bin/activate && pip install -r requirements.txt

.\venv\Scripts\python main.py data/sample.pdf

.\venv\Scripts\python main.py --server

.\venv\Scripts\python test_integration.py

mcp_poc/
├── .env                      # Environment configuration
├── .gitignore                # Git ignore rules
├── README.md                 # This file
├── main.py                   # Application entry point
├── mcp_client.py             # MCP stdio client connector
├── mcp_server.py             # MCP server with tools & prompts
├── requirements.txt          # Python dependencies
├── test_integration.py       # Integration test
└── data/
    └── sample.pdf            # Test PDF