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Developer Uses Claude Code to Build Free Map Showing Building Uses Across 77 Cities

November 3, 2026 at 19:45 EST

Software Dev & Coding

A developer has released a free browser-based map, built with Claude Code, that classifies every building in 77 cities by its likely use, including residential density, shops, offices, industrial sites and parking.

Open geodata · AI-built mapping tool

A free map infers how every building is used across 77 cities

Built by one developer with Claude Code, the browser-based map labels buildings as homes by density, shops, offices, industrial sites or parking. It works from community-edited OpenStreetMap tags, so it can cover places where zoning records are not publicly available.

cities covered by the map

source for every label: OpenStreetMap tags, not official land-use records

Free

browser-based, with no specialized GIS software needed

Scale of coverage: one block per city

Each square is one of the 77 cities. The map does not publish which cities are included.

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