Yazio MCP Server

[!IMPORTANT]
This is not an official MCP server and Yazio does not provide an official API.
This server uses an unofficial reverse-engineered API and may stop working at any time.

An MCP (Model Context Protocol) server that connects Claude/Cursor to your Yazio nutrition data. Track your diet, search food products, and manage your nutrition goals directly from your AI assistant.

Available on NPM: npx yazio-mcp

# ✨ Features

• 🔐 Authentication - Connect with your Yazio account
• 📊 Nutrition Analysis - Get comprehensive diet data and insights
• 🍎 Food Tracking - Search, add, and manage food entries
• 🏃♂️ Fitness Data - Track exercises and water intake
• ⚖️ Weight Monitoring - View weight history and trends
• 🎯 Goal Management - Access and manage nutrition goals
• 🔍 Product Search - Search Yazio's extensive food database

# 🚀 Quick Start

Add the following JSON your MCP client configuration:

{
  "mcpServers": {
    "yazio": {
      "command": "npx",
      "args": ["-y", "yazio-mcp"],
      "env": {
        "YAZIO_USERNAME": "your_email@emai.com",
        "YAZIO_PASSWORD": "your_password"
      }
    }
  }
}

# # Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

# # Claude Code (CLI)

• Create a file named .mcp.json in a folder
• Run claude in that folder
• Approve access to the MCP when Claude runs for the first time in that folder
• Optional: check configured MCP servers with claude mcp list

# # Cursor

Add JSON in your Cursor MCP configuration file (~/.cursor/mcp.json)

# 💡 Use Cases

# # 📈 Analyze Your Nutrition Trends

"Get my nutrition data for the last week and analyze my eating patterns"

Claude can retrieve your daily summaries, identify trends, and provide insights about your eating habits, macro distribution, and areas for improvement.

# # 🔍 Search Food Products

"Search for 'chicken breast' in the Yazio database"

Find detailed nutritional information for any food product, including calories, macros, vitamins, and minerals.

# # 📝 Add Forgotten Meals

"Add 200g of grilled salmon for yesterday's dinner"

Easily log meals you forgot to track in the Yazio app directly from Claude or Cursor.

# 🛠️ Available Tools

| Tool | Description | Key Parameters |
|- -- -- -|- -- -- -- -- -- --|- -- -- -- -- -- -- -- -|
| get_user_daily_summary | Get daily nutrition summary | date |
| get_user_consumed_items | Get food entries for a date | date |
| get_user_weight | Get weight data | - |
| get_user_exercises | Get exercise data | date |
| get_user_water_intake | Get water intake | date |
| get_user_goals | Get nutrition goals | - |
| get_user_settings | Get user preferences | - |
| search_products | Search food database | query |
| get_product | Get detailed product info | id |
| add_user_consumed_item | Add food to your log | productId, amount, date, mealType |
| add_user_water_intake | Add water intake entry (cumulative value in ml) | date, water_intake |
| remove_user_consumed_item | Remove food from log | itemId |

# Test Connection

YAZIO_USERNAME='your_email' YAZIO_PASSWORD='your_password' npx yazio-mcp

# ⚠️ Important Disclaimers

• Unofficial API: This uses a reverse-engineered API that may break
• Credentials: Your Yazio credentials are only used for auth on Yazio servers
• Use at Your Own Risk: API changes could affect functionality

# 📋 Requirements

• Node.js 18+ (for npx)
• Valid Yazio account
• MCP-compatible client (Claude Desktop, Cursor, etc.)

Development

1. Download the repository
2. Point to local copy in your mcp config
3. Debugging:

YAZIO_USERNAME=X YAZIO_PASSWORD=X npx -y @modelcontextprotocol/inspector npx <local-path>/yazio-mcp

# 📄 License

MIT License - see LICENSE file for details.