A planned US home mortgage whose interest rate can only go down. Pre-launch; not lending yet.
Connect Remote server
claude mcp add --transport http mcp https://mcp.marianmortgage.com/mcp
{
"mcpServers": {
"mcp": {
"url": "https://mcp.marianmortgage.com/mcp"
}
}
}
{
"servers": {
"mcp": {
"type": "http",
"url": "https://mcp.marianmortgage.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.marianmortgage.com/mcp
Tools 3 found in our last check
explain_marianReturns Marian's published product facts: status (pre-launch, not lending in any state, not offering credit), how the down-only rate works, who it is not a fit for, and the brand line and product description. Same data as https://marianmortgage.com/agents.json. Values that have…
compare_to_refinancingDescribes, in qualitative terms, how Marian's automatic rate resets compare with a standard fixed-rate mortgage that the borrower refinances, given the borrower's situation. Returns no rates, payments or dollar figures, because Marian has not published its rates or terms. Marian…
join_waitlistAdds the user's email (and optional ZIP code) to the Marian waitlist. Only call this when the user has explicitly asked to join, and pass user_consent: true to confirm that. Joining the waitlist isn't an application for credit.
Details
| Endpoint | https://mcp.marianmortgage.com/mcp (Streamable HTTP) |
| First published | 6 Nov 2026 |
| Last updated | 6 Nov 2026 |
| Registry name | com.marianmortgage/mcp |
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