Stackup: Fannie, Freddie and HUD multifamily loan sizing
Size an apartment loan under Fannie Mae, Freddie Mac and HUD published limits, side by side.
What it does
Stackup: Fannie, Freddie and HUD multifamily loan sizing is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
No capability identified yet from its description.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 5h ago (live check)Hosted endpoint
https://multifamily.online/mcpstreamable-http
In Claude Code: claude mcp add --transport http stackup-fannie-freddie-and-hud-multifamily-loan-sizing https://multifamily.online/mcp
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"stackup-fannie-freddie-and-hud-multifamily-loan-sizing": {
"url": "https://multifamily.online/mcp"
}
}
}Live check
Electra Index connected to the hosted endpoint 5h agoONLINE Stackup: Fannie, Freddie and HUD multifamily loan sizing answered an MCP connection on 02 Nov 2026 and introduced itself as multifamily-online 1.0.0 (MCP protocol 2025-06-18).
3 tools offered to AI assistants
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 lget_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 agencget_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
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Hosted endpoint | https://multifamily.online/mcp | DECLARED | SRC-001 Official MCP Registry | just now |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | just now |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | just now |
| Website | https://multifamily.online/developers/ | DECLARED | SRC-001 Official MCP Registry | just now |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | just now |
| Version | 1.2026.1101.0 | DECLARED | SRC-001 Official MCP Registry | just now |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | just now |
Change history
- NEW01 Nov 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Stackup: Fannie, Freddie and HUD multifamily loan sizing still online?
Free alerts · no account▲ 0Do you run Stackup: Fannie, Freddie and HUD multifamily loan sizing? Know when it stops answering
For publishers · optionalIts hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.
Monitoring never changes a score or a rank.
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How do I connect Stackup: Fannie, Freddie and HUD multifamily loan sizing?
Use the hosted endpoint https://multifamily.online/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
What tools does Stackup: Fannie, Freddie and HUD multifamily loan sizing offer?
When Electra Index connected on 02 Nov 2026, it listed 3 tools: compare_programs, get_program_terms, get_treasury_yields. The full list is in "Live check" above.
Is Stackup: Fannie, Freddie and HUD multifamily loan sizing online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 5h ago.