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Real Estate MCP Server

by klappe-pm

Real Estate MCP Server

A Model Context Protocol (MCP) server that provides real estate search and mortgage calculation tools.

Features

Available Tools

  1. property.search - Search for properties with filters
    • Location-based search
    • Price range filtering
    • Bedrooms/bathrooms filtering
    • Square footage filtering
    • Property type filtering
    • Note: Currently returns mock data - real API integration needed
  2. mortgage.calculate - Calculate monthly mortgage payments
    • Principal & interest calculation
    • Property tax breakdown
    • Insurance costs
    • HOA fees
    • PMI estimation
  3. mortgage.affordability - Calculate home affordability
    • Estimate maximum home price based on monthly payment budget
    • Considers down payment and loan terms

Installation

Prerequisites

  • Node.js 18+ (check with node --version)
  • npm or yarn

Install from Source

# Clone the repository git clone https://github.com/klappe-pm/Real-Estate-MCP.git cd Real-Estate-MCP # Install dependencies npm install # Build the TypeScript code npm run build

Development Mode

# Run in watch mode for development npm run dev

Usage with Claude Desktop

Configure Claude Desktop

  1. Edit your Claude Desktop configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

  1. Add the server configuration:
{ "mcpServers": { "real-estate": { "command": "node", "args": ["/path/to/Real-Estate-MCP/dist/index.js"], "env": {} } } }

Replace /path/to/Real-Estate-MCP with the actual path to your cloned repository.

  1. Restart Claude Desktop

Using with npx (No Installation)

You can also run directly without cloning:

{ "mcpServers": { "real-estate": { "command": "npx", "args": ["-y", "real-estate-mcp"] } } }

Note: This requires publishing to npm first.

Example Usage in Claude

Once configured, you can use the tools in Claude:

"Search for homes in Austin, Texas under $600,000 with at least 3 bedrooms" "Calculate the monthly mortgage payment for a $500,000 home with 20% down, 6.5% interest rate, 30-year term, $6000/year property tax, and $1200/year insurance" "What's the maximum home price I can afford with a $3000/month budget, $100,000 down payment, and 6.5% interest rate?"

API Integration

The property search currently returns mock data. To integrate real APIs:

Zillow Integration

  • Use RapidAPI's Zillow endpoints (unofficial)
  • Or implement web scraping (check ToS and robots.txt)
  • Store API key in environment variables

Redfin Integration

  • No official public API available
  • Consider unofficial endpoints or web scraping
  • Respect rate limits and ToS

MLS Integration

  • Requires MLS membership or broker partnership
  • Different APIs per region (RETS, Web API, etc.)
  • Authentication typically required

Alternative APIs

  • Rentberry API
  • Realty Mole API
  • RentSpree API
  • Estated API

Development

Project Structure

src/ ├── index.ts # Main MCP server ├── tools/ │ ├── property-search.ts # Property search implementation │ └── mortgage-calculator.ts # Mortgage calculations └── types/ └── real-estate.ts # TypeScript interfaces

Available Scripts

  • npm run dev - Start development server with hot reload
  • npm run build - Build TypeScript to JavaScript
  • npm run lint - Run ESLint
  • npm run type-check - Check TypeScript types

Adding New Tools

  1. Create a new tool file in src/tools/
  2. Define the tool's input/output types in src/types/
  3. Register the tool in src/index.ts using server.tool()
  4. Rebuild with npm run build

Environment Variables

For production API integration, set these environment variables:

ZILLOW_API_KEY=your_api_key REDFIN_API_KEY=your_api_key MLS_API_KEY=your_api_key

Contributing

  1. Fork the repository
  2. Create a feature branch
  3. Make your changes
  4. Run tests and linting
  5. Submit a pull request

License

MIT - See LICENSE file for details

Support

For issues and questions:

  • GitHub Issues: https://github.com/klappe-pm/Real-Estate-MCP/issues

Roadmap

  • Integrate real Zillow API
  • Add Redfin data source
  • MLS integration
  • Add rental property search
  • Investment property analysis tools
  • Comparative market analysis (CMA)
  • Property valuation estimates
  • Neighborhood data integration
  • School district information
  • Crime statistics
  • Walk/transit scores
-
security - not tested
A
license - permissive license
-
quality - not tested

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Enables real estate property searches with location and criteria filtering, plus comprehensive mortgage calculations including monthly payments and affordability analysis. Currently uses mock data for property searches but provides full mortgage calculation functionality.

  1. Features
    1. Available Tools
  2. Installation
    1. Prerequisites
    2. Install from Source
    3. Development Mode
  3. Usage with Claude Desktop
    1. Configure Claude Desktop
    2. Using with npx (No Installation)
  4. Example Usage in Claude
    1. API Integration
      1. Zillow Integration
      2. Redfin Integration
      3. MLS Integration
      4. Alternative APIs
    2. Development
      1. Project Structure
      2. Available Scripts
      3. Adding New Tools
    3. Environment Variables
      1. Contributing
        1. License
          1. Support
            1. Roadmap

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