Civic open data for the city — search, analytics, and citeable cuts for agents and humans.
San Francisco Rent Board inventory — what tenants actually pay, by neighborhood, with full analytics reports.
What the Rent Board inventory covers, what it misses, and how to read a median.
Read the methodSame data as the ledger, as plain GET JSON.
MCPhttps://sf.opengems.xyz/mcp
Remote MCP server: search units, neighborhood stats, a cited brief prompt
GEThttps://sf.opengems.xyz/api/v1/tools
The same tools over plain HTTP, with source and license on every result
GEThttps://sf.opengems.xyz/facets
Cities, neighborhoods, and filter ranges
GEThttps://sf.opengems.xyz/search?city=San%20Francisco&max_price=3000&limit=20
Listings by price, beds, baths, size, and neighborhood
GEThttps://sf.opengems.xyz/analytics?city=San%20Francisco
Precomputed citywide analytics report
Free tier: 60 requests a minute per IP. Identify with X-OpenGems-Agent. Full index: llms.txt.