Healthy Pokes

A calorie tracking MCP (Model Context Protocol) server that integrates meal logging with nutrition data and health metrics.

Features

• 📸 Process food photos and text descriptions using GPT-4o Vision

• 🥗 Automatic nutrition estimation via OpenNutrition MCP

• 📊 Google Sheets integration for personalized tracking

• 🏃 Apple Health integration for activity and weight data

• 📱 SMS interface via Poke platform

Architecture

This MCP server acts as a bridge between multiple services:

1. OpenAI GPT-4o: Extracts food items from photos/text

2. OpenNutrition MCP: Provides nutrition data

3. Google Sheets: Stores user data persistently

4. Apple Health MCP: Retrieves fitness metrics

5. Poke Platform: Handles messaging interface

Setup

Prerequisites

• Python 3.9+

• Google Cloud Project with Sheets & Drive APIs enabled

• OpenAI API key

• Poke API key

Installation

# Clone the repository
git clone https://github.com/mattattacks/healthy-pokes.git
cd healthy-pokes

# Create virtual environment
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

# Install dependencies
pip install -r requirements.txt

# Set up environment variables
cp .env.example .env
# Edit .env with your API keys

Environment Variables

Create a .env file with:

OPENAI_API_KEY=your_openai_key
POKE_API_KEY=your_poke_key
GOOGLE_SERVICE_ACCOUNT_JSON={"type":"service_account"...}
HEALTH_DATA_DIR=/path/to/health/exports  # Optional

Usage

Running Locally

python server.py

The MCP server will be available at http://localhost:8000/mcp

Deploying to Render

This project includes a render.yaml for easy deployment to Render.

MCP Tools

• connect_user(email) - Set up Google Sheet for user

• ingest_image(image_url) - Process food photo

• parse_text(text) - Process text description

• estimate_from_items(items) - Get nutrition data

• log_rows(rows) - Save to Google Sheet

• today_total() - Calculate daily intake

• health_summary() - Get Apple Health metrics

• send_message(text) - Reply via Poke

Development

Project Structure

healthy-pokes/
├── server.py           # Main MCP server
├── tools/              # MCP tool implementations
│   ├── __init__.py
│   ├── google_sheets.py
│   ├── nutrition.py
│   ├── vision.py
│   └── messaging.py
├── utils/              # Helper functions
├── requirements.txt    # Python dependencies
├── render.yaml        # Render deployment config
└── .env.example       # Environment template

Testing

pytest tests/

Contributing

Pull requests are welcome! Please ensure all tests pass and follow the existing code style.

License

MIT

Acknowledgments

Built for the HackMIT Poke Challenge