Deallens Mcp

@bilal0310

About Deallens Mcp

Real estate deal analysis MCP server with 8 tools: rental analysis, BRRRR, flip calculator, deal comparison, sensitivity testing, expense estimation, live mortgage rates from FRED, and HUD Fair Market Rents by ZIP code. Free government APIs, zero cost.

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "deallens": {
      "command": "npx",
      "args": [
        "deallens-mcp"
      ],
      "env": {
        "HUD_API_TOKEN": "<YOUR_TOKEN>",
        "FRED_API_KEY": "<YOUR_KEY>",
        "CENSUS_API_KEY": "<YOUR_KEY>"
      }
    }
  }
}

Tools

Get current US mortgage rates (30-year and 15-year fixed) from the Federal Reserve (FRED). No inputs required. Returns the latest weekly rates.

Look up HUD Fair Market Rents (FMR) for any US ZIP code. Returns rent estimates by bedroom count (0-4BR), county, and metro area. Useful for validating rent assumptions on a potential deal.

Estimate monthly operating expenses for a rental property using industry-standard ratios (50% rule baseline). Breaks down: property tax, insurance, maintenance, vacancy, CapEx reserve, and property management. Adjusts for property age and type.

Full investment analysis for a rental property. Calculates mortgage payment, expenses, cash flow, NOI, cap rate, cash-on-cash return, DSCR, and 1% rule. Fetches current mortgage rates and area rent data for context. Returns a verdict: Strong deal, Marginal, or Pass.

Side-by-side comparison of 2-5 rental property deals. Runs full analysis on each and ranks by cash-on-cash return. Highlights best and worst metrics.

Stress-test a deal by varying interest rates, vacancy, rent, or expenses. Shows how cash flow and returns change across a range. Answer "what if rates go up?" questions.

Analyze a Buy-Rehab-Rent-Refinance-Repeat deal. Calculates total cash invested, refinance proceeds, cash left in deal, post-refi cash flow, and whether you get all your money back out.

Analyze a fix-and-flip deal. Calculates total investment, holding costs, selling costs, net profit, ROI, and annualized return. Supports cash, hard money, and conventional financing.

Overview

What is Deallens Mcp?

Deallens Mcp is a real estate deal analysis MCP server that provides eight specialized tools for evaluating investment properties. It integrates with free government APIs (FRED for mortgage rates, HUD for Fair Market Rents) and is designed for real estate investors, analysts, and agents.

How to use Deallens Mcp?

The README does not provide installation or configuration instructions. Use the server's tools for rental analysis, BRRRR calculations, flip analysis, deal comparison, sensitivity testing, expense estimation, live mortgage rates, and HUD Fair Market Rents by ZIP code.

Key features of Deallens Mcp

Rental analysis, BRRRR, and flip calculators
Deal comparison and sensitivity testing
Expense estimation and HUD Fair Market Rents
Live mortgage rate retrieval from FRED API
Uses free government data sources
8 distinct real estate analysis tools

Use cases of Deallens Mcp

Analyze rental property cash flow and ROI
Evaluate fix-and-flip deals with detailed cost estimates
Compare multiple investment opportunities side by side
Test how changes in interest rates affect deal profitability
Retrieve up-to-date mortgage rates and fair market rents for any ZIP code

FAQ from Deallens Mcp

What data sources does Deallens Mcp use?

It uses the FRED API for live mortgage rates and HUD for Fair Market Rents by ZIP code—both free government sources.

How many tools are included?

The server includes 8 tools: rental analysis, BRRRR analysis, flip calculator, deal comparison, sensitivity testing, expense estimation, live mortgage rates, and HUD Fair Market Rents.

Does the server require any paid API keys?

The README indicates the data sources are free government APIs. No paid subscriptions are mentioned, though specific API keys may be needed.

Can I use Deallens Mcp offline?

No—data is fetched live from government APIs, so an internet connection is required.

Are there any rate limits or transport details?

The README does not specify rate limits, authentication methods, or transport protocols for Deallens Mcp.

Frequently asked questions

What data sources does Deallens Mcp use?

It uses the FRED API for live mortgage rates and HUD for Fair Market Rents by ZIP code—both free government sources.

How many tools are included?

The server includes 8 tools: rental analysis, BRRRR analysis, flip calculator, deal comparison, sensitivity testing, expense estimation, live mortgage rates, and HUD Fair Market Rents.