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Global MacroMCP serverFirst audited Nov 13, 2026

US Flood Zone & Property Risk (FEMA, NOAA, USGS, Census)

FEMA flood zone, hazard history and demographics for any US address, with sources on every answer.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 182 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
No, read-onlyAll 6 tools say they only read.
Endpointhttps://mcp.thestackunderflow.com/mcp/property

Website Streamable HTTP · protocol 2025-06-18 · server version 0.2.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 6 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Note: Protocol version 2025-06-18.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (6)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • address_profileOne-call US property report for an address or coordinate: FEMA flood zone (SFHA, base flood elevation, FIRM panel), county demographics, and 10-year hazard history (FEMA disaster declarations, NOAA s…Read-only
  • admin_areasState and county for a coordinate, with Census GEOIDs. Free - answered from boundaries the platform ingests and holds, with no provider call. Point-in-polygon against Census TIGER/Line boundaries (§…Read-only
  • area_demographicsPopulation and median household income for the county containing a point, from American Community Survey 5-year estimates. Composes two ingested datasets (§22.2): TIGER/Line resolves the coordinate…Read-only
  • census_geocodeFree. Turns a US street address into a latitude/longitude plus the state, county and census tract it is in (with GEOIDs), using the U.S. Census Bureau geocoder. Use it first, then pass the point to t…Read-only
  • flood_zoneFEMA flood zone for a US address or coordinate: zone (A, AE, VE, X ...), whether it is in the Special Flood Hazard Area (where lenders generally require flood insurance), base flood elevation with it…Read-only
  • hazard_historyNatural-hazard history for a US county or address: FEMA declarations (major disasters, emergencies and fire management, by type, with links), NOAA storm events with deaths and reported property damag…Read-only

Audit history

  1. Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200182 ms
initializedHTTP 20232 ms
tools/listHTTP 20097 ms
resources/listHTTP 20029 ms
unknown-methodHTTP 20031 ms

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