Who it is for
A homeowner budgeting a renovation who wants a cost range and a sense of local contractor coverage first.
Home improvement cost estimates and contractor availability
Overview
HomeBuddy, published by Modernize Home Services, works through the planning stage of a home improvement job. More than 27 project types are covered, among them roofing, siding, gutters, window replacement, HVAC, bathroom work, and foundation repair.
Estimates are built from details about the particular house, including size, materials, and condition, and a guided set of questions scopes the job before a number is produced. The app also checks whether qualified contractors work in a given zip code and reports promotions those contractors are running.
Quotes are not issued in the chat. The app finishes with a link to request free quotes through Modernize.com, so the bidding itself happens on that site.
A homeowner budgeting a renovation who wants a cost range and a sense of local contractor coverage first.
Cost estimation and contractor availability by zip code are handled in one pass, ending at a quote request rather than a quote.
Availability
HomeBuddy is listed in the ChatGPT apps directory only. Modernize Home Services 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 HomeBuddy'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 Modernize Home Services, 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.