# Goodbook MCP Server

A modern Model Context Protocol (MCP) server that works exclusively with PDF files containing food service standards and preparation guidelines. Built following MCP best practices with robust input validation and error handling.

## Overview

The Goodbook MCP server allows AI assistants to query and retrieve information from food service documentation, including:

- Food preparation standards
- Cooking guidelines and methods  
- Food safety information
- Recipe standards
- Hygiene and sanitation requirements

## Modern Architecture

This server follows current MCP best practices:
- **Zod input validation** for all tool parameters
- **Proper STDIO usage** with `console.error` for logging
- **Robust error handling** with detailed error messages
- **Optimized tool definitions** with automatic schema conversion
- **Comprehensive synonym support** for Russian cooking terms
- **Clean separation of concerns** between parsing, validation, and execution

## Features

### Available Tools

1. **search_food_standards**: Search for specific food preparation standards, recipes, or cooking guidelines
2. **get_cooking_guidelines**: Get cooking guidelines and standards for specific dishes or cooking methods
3. **list_sections**: List all available sections in the food service standards document
4. **get_section_content**: Get content from a specific section of the food standards document
5. **get_food_safety_info**: Get food safety information and hygiene standards
6. **find_recipe_standards**: Find standardized recipes and preparation methods for specific dishes

## Installation

1. Ensure you have Node.js 18+ installed
2. Clone or download this project
3. Install dependencies:
   ```bash
   npm install
   ```
4. **REQUIRED:** Place your PDF file named `menu.pdf` in the root directory

## Usage

### Running the Server

```bash
npm start
```

The server will start and listen for MCP protocol messages via stdio.

### Development Mode

```bash
npm run dev
```

This will start the server with auto-reload on file changes.

### MCP Client Configuration

To use this server with an MCP-compatible client, add the following configuration:

#### Claude Desktop Configuration
Add to your `claude_desktop_config.json`:

```json
{
  "mcpServers": {
    "goodbook": {
      "command": "node",
      "args": ["c:/указываем-полный-путь-к-файлу/mcp/src/index.js"],
      "env": {}
    }
  }
}
```

#### Other MCP Clients
Configure your MCP client to run:
```bash
node src/index.js
```

## Tool Usage Examples

### Search for Food Standards
```
Use the search_food_standards tool to find information about temperature requirements:
- query: "температура приготовления"
- section: (optional) specify a particular section
```

### Get Cooking Guidelines
```
Use get_cooking_guidelines to get preparation methods:
- dish_type: "паста"
- section: (optional)
```

### Food Safety Information
```
Use get_food_safety_info for safety guidelines:
- topic: "хранение мяса"
```

## File Structure

```
goodbook-mcp-server/
├── src/
│   ├── index.js          # Main MCP server
│   ├── tools.js          # Tool implementations
│   └── pdf-parser.js     # PDF parsing logic
├── menu.pdf              # Source PDF document
├── package.json          # Project configuration
└── README.md            # This file
```

## Requirements

- Node.js 18.0.0 or higher
- PDF document (`menu.pdf`) containing food service standards
- MCP-compatible client (like Claude Desktop)

## Error Handling

The server includes comprehensive error handling for:
- PDF parsing failures
- Missing sections
- Invalid search queries
- Tool execution errors

All errors are returned as structured responses to the MCP client.

## Development

### Adding New Tools

1. Add tool definition to `getToolDefinitions()` in `tools.js`
2. Implement handler method in `GoodbookTools` class
3. Add case to `handleTool()` switch statement

### Modifying PDF Parsing

Edit the `PDFParser` class in `pdf-parser.js` to:
- Change section detection patterns
- Modify content extraction logic
- Add new search capabilities

## License

MIT License

## Support

For issues or questions, please check the error logs when running the server. The server outputs detailed logging information to help diagnose problems.