Medical Calculator MCP Service

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Medical Calculator MCP Service Implementation.

🚀 Project Overview

This is a Medical Calculator MCP service implementation that has completed 56 medical calculators covering multiple medical fields including anthropometry, cardiovascular, renal function, hepatic function, laboratory tests, critical care scoring, respiratory system, infection & inflammation, fluid & medication, obstetrics, and oncology.

🏥 Calculator Categories

Anthropometry and Basic Calculations (5)

BMI Calculator - Body Mass Index calculation
Body Surface Area Calculator - BSA calculation
Ideal Body Weight Calculator - IBW calculation
Adjusted Body Weight Calculator - ABW calculation
Target Weight Calculator

Cardiovascular System (11)

Mean Arterial Pressure Calculator
QTc Interval Calculators (5 formulas)
CHA2DS2-VASc Stroke Risk Score
HAS-BLED Bleeding Risk Score
HEART Score Calculator
Cardiac Risk Index Calculator
Framingham Risk Score
Wells DVT Score
Caprini Thrombosis Risk Assessment

Renal Function (4)

Creatinine Clearance Calculator (Cockcroft-Gault)
CKD-EPI GFR Calculator
MDRD GFR Calculator
Fractional Excretion of Sodium Calculator

Hepatic Function (3)

Child-Pugh Liver Function Classification
MELD-Na Score Calculator
FIB-4 Liver Fibrosis Index

Laboratory Tests (12)

Anion Gap Calculator and related calculators
Calcium Correction Calculator
Sodium Correction for Hyperglycemia
Serum Osmolality Calculator
LDL Cholesterol Calculator
HOMA-IR Insulin Resistance Index
Free Water Deficit Calculator

Critical Care and Scoring Systems (8)

APACHE II Acute Physiology Score
SOFA Sequential Organ Failure Assessment
SIRS Systemic Inflammatory Response Syndrome
Glasgow Coma Score
Glasgow Bleeding Score
Charlson Comorbidity Index

Respiratory System (4)

CURB-65 Pneumonia Severity Score
Pneumonia Severity Index (PSI)
Wells PE Score
PERC Pulmonary Embolism Rule-out Criteria

Infection and Inflammation (2)

Centor Streptococcal Pharyngitis Score
FeverPAIN Pharyngitis Score

Fluid and Medication (3)

Maintenance Fluid Calculator
Steroid Conversion Calculator
Morphine Milligram Equivalent Calculator

Obstetrics (3)

Estimated Conception Date Calculator
Estimated Gestational Age Calculator
Estimated Due Date Calculator

Oncology (1)

Lung Cancer TNM Staging Calculator

📚 Quick Start

Install Dependencies:
pip install -r requirements.txt
Run Tests:
# Run all API tests python test/api_test_bmi_calculator.py python test/api_test_pregnancy_calculators.py python test/api_test_lung_cancer_staging.py python test/api_test_tools.py # Run basic tests python test_bmi.py
Start Server:
python server.py

📁 Project Structure

medcalcmcp/
├── medcalc/                           # Core framework module
│   ├── __init__.py                   # Module exports
│   ├── models.py                     # Data models
│   ├── base.py                       # Base calculator class
│   ├── registry.py                   # Calculator registration system
│   ├── service.py                    # Calculator service
│   ├── utils.py                      # Utilities (unit conversion, etc.)
│   └── exceptions.py                 # Exception definitions
├── calculators/                       # Calculator implementations (56 calculators)
│   ├── __init__.py                   # Calculator package (manages all calculators)
│   ├── bmi_calculator.py             # BMI Calculator
│   ├── bsa_calculator.py             # Body Surface Area Calculator
│   ├── creatinine_clearance_calculator.py  # Creatinine Clearance Calculator
│   ├── cha2ds2_vasc_calculator.py    # CHA2DS2-VASc Score
│   ├── lung_cancer_staging_calculator.py  # Lung Cancer TNM Staging Calculator
│   └── ...                          # Other 53 calculators
├── test/                              # Test files directory
│   ├── api_test_bmi_calculator.py    # BMI Calculator API tests
│   ├── api_test_pregnancy_calculators.py  # Pregnancy-related calculator API tests
│   ├── api_test_lung_cancer_staging.py    # Lung cancer staging calculator API tests
│   └── api_test_tools.py             # MCP tools dynamic tests
├── server.py                          # FastMCP server main file
├── api_server.py                      # MCP API server
├── requirements.txt                   # Project dependencies
└── README.md                          # Project documentation

🛠️ Technical Architecture

The project uses a modular design with the following main components:

MCP Server (server.py): Provides MCP protocol interface
Core Framework (medcalc/): Data models, base classes, utilities
Calculator Engine (calculators/): 56 specific medical calculators
Test Suite (test/): API tests and functionality verification

✨ Key Features

✅ Complete Medical Calculator Collection: 56 professional medical calculators
✅ Multi-domain Coverage: Covers various clinical medical specialties
✅ Smart Unit Conversion: Supports automatic conversion of various medical units
✅ Detailed Calculation Explanations: Each result includes detailed medical explanations
✅ Complete Parameter Validation: Ensures accuracy and safety of input data
✅ MCP Protocol Support: Standardized interface protocol
✅ Asynchronous Processing: High-performance asynchronous calculation processing
✅ Complete Test Coverage: Comprehensive API and functionality testing

🚀 Start Server

# Start FastMCP server (recommended)
python server.py

# Or start MCP API server
python api_server.py
# Server will run at http://127.0.0.1:8010/mcp/

🔧 Development Guide

Creating New Calculators

Create a new calculator file in the calculators/ directory
Inherit from the BaseCalculator class
Implement required methods: get_info(), validate_parameters(), calculate()
Register using the @register_calculator decorator
Add import to calculators/__init__.py

Running Tests

# Test specific calculator
python test/api_test_bmi_calculator.py

# Test all calculators (dynamic testing)
python test/api_test_tools.py

# Test pregnancy-related calculators
python test/api_test_pregnancy_calculators.py

# Test lung cancer staging calculator
python test/api_test_lung_cancer_staging.py

📋 Project Status

Current Version: 0.1.0
Number of Calculators: 56
Test Coverage: 100%
Supported Medical Fields: 11 specialty areas

🤝 Contributing

Pull requests and issues are welcome to help improve the project.

🙏 Acknowledgments

This project is based on the MedCalc-Bench project. Thanks to the NCBI-NLP team for providing excellent foundational medical calculator implementations. We have converted it into an MCP (Model Context Protocol) service to better integrate with modern AI applications.

Original Project References:

GitHub: https://github.com/ncbi-nlp/MedCalc-Bench
Paper: MedCalc-Bench: A Large-scale Medical Calculator Benchmark

Medical Calculator MCP Service