Who it is for
People buying property in France who want an early read on borrowing capacity before approaching a bank.
French mortgage comparison and borrowing capacity estimates
Overview
Pretto is a French mortgage brokerage, and this connector brings its comparison work into a chat. Project details given in conversation are checked against offers from more than 125 banks.
Two calculations are available: a maximum borrowing amount, and a simulation of future monthly repayments. Both draw on prevailing market conditions and on the interest rates a particular borrower profile would attract.
The conversation can end with an appointment booked with a Pretto broker, who refines the numbers and puts the financing structure together. Pretto states that the service carries no fee. Example prompts in the listing are written in French.
People buying property in France who want an early read on borrowing capacity before approaching a bank.
It ends in a booking with a human broker rather than treating the simulation as the finished product.
Availability
Pretto is listed in the ChatGPT apps directory only. Pretto has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
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This is an independent catalogue entry compiled by Node8 from Pretto's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Pretto, and inclusion here is not an endorsement.
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.