flowchart LR
    A[MCP Client / AI Assistant] -->|stdio| B[src/index.ts<br/>McpServer]

    B --> C[Session Tools<br/>src/tools/session.ts]
    B --> D[Cart Tools<br/>src/tools/cart.ts]
    B --> E[Product Tools<br/>src/tools/products.ts]

    C --> G[src/browser.ts<br/>Playwright singleton]
    D --> G
    E --> G

    C --> H[src/auth.ts<br/>session cookies]
    D --> H
    E --> H

    D --> I[src/tools/helpers.ts<br/>navigation & parsing]
    E --> I

    H --> J[(~/.frisco-mcp/session.json)]
    B --> L[src/logger.ts] --> M[(~/.frisco-mcp/logs/)]
    G --> K[frisco.pl 🌐]
    I --> K

npm install
npx playwright install chromium
npm run build

{
  "mcpServers": {
    "frisco": {
      "command": "node",
      "args": ["/absolute/path/to/frisco-mcp/dist/index.js"]
    }
  }
}

{
  "mcpServers": {
    "frisco-mcp": {
      "command": "node",
      "args": ["/absolute/path/to/frisco-mcp/dist/index.js"]
    }
  }
}

{
  "mcpServers": {
    "frisco": {
      "command": "node",
      "args": ["/absolute/path/to/frisco-mcp/dist/index.js"]
    }
  }
}

frisco-mcp/
├── src/
│   ├── index.ts          # MCP server setup, tool registration
│   ├── auth.ts           # Session cookie save/restore, login check
│   ├── browser.ts        # Playwright browser singleton, product cache
│   ├── logger.ts         # JSONL session logging
│   ├── types.ts          # Shared TypeScript types
│   └── tools/
│       ├── session.ts    # login, finish_session, clear_session
│       ├── cart.ts       # add_items_to_cart, view_cart, remove_item_from_cart
│       ├── products.ts   # search_products, get_product_info
│       └── helpers.ts    # Navigation, popup dismissal, DOM parsing
│   └── __tests__/        # Unit tests (Vitest)
├── test_data/            # Sample HTML fixtures for tests
├── docs/
│   └── DIAGRAMS.md       # Mermaid architecture & flow diagrams
├── .github/
│   └── workflows/
│       └── test.yml      # CI — runs tests on push & PR
├── dist/                 # Compiled JS (generated by `npm run build`)
├── vitest.config.ts
├── package.json
├── tsconfig.json
└── .gitignore

# Run in dev mode (tsx, no separate build step)
npm run dev

# Build
npm run build

# Run built server
npm start

# Run tests
npm test

# Watch mode for tests
npm run test:watch