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Stackup: Fannie, Freddie and HUD multifamily loan sizing

online.multifamily/multifamily-online · v1.2026.1101.0

Size an apartment loan under Fannie Mae, Freddie Mac and HUD published limits, side by side.

Connect Remote server

Terminal
claude mcp add --transport http multifamily-online https://multifamily.online/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "multifamily-online": {
      "url": "https://multifamily.online/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "multifamily-online": {
      "type": "http",
      "url": "https://multifamily.online/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://multifamily.online/mcp

Tools 3 found in our last check

  • compare_programs

    Runs the multifamily.online comparison app on one 5+ unit building: for Fannie Mae DUS and Small Loans, Freddie Mac Optigo Conventional and Conventional Small, and HUD 223(f), 221(d)(4) and 223(a)(7), returns whether it fits the published limits (or why not), max loan by LTV/LTC…

  • get_program_terms

    Published limits for one multifamily loan program or all of them, as multifamily.online lists them: max LTV or LTC, minimum DSCR, term and amortization, prepayment, recourse, structure, HUD mortgage insurance where it applies, and the agency source document with its date and URL…

  • get_treasury_yields

    The latest 5-, 7- and 10-year U.S. Treasury par yields and overnight SOFR that the multifamily.online app builds its example rate on, each with its as-of date, the reading a week and a month earlier when available, freshness status and the publisher link (U.S. Treasury, New York…

Details

Endpointhttps://multifamily.online/mcp (Streamable HTTP)
First published1 Nov 2026
Last updated1 Nov 2026
Registry nameonline.multifamily/multifamily-online

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