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FinancialMCP serverFirst audited Nov 13, 2026

app.doorbase/market-data

US rental market data by zip: rent, cap rates, vacancy, hazard risk, rent trends. Free, no auth.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 258 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://doorbase.app/mcp

Website Streamable HTTP · protocol 2025-06-18 · server version 1.0.0

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.

  • search_marketsWhich US zip codes match these rental-market criteria? Filters 30,000+ US zip codes by state, cap rate, vacancy, rent, population, home value, and renter share. Returns matching zips with key investo…Read-only
  • get_zip_marketWhat does the rental market look like in this zip code? Full profile for a single US zip: rent, cap-rate band (modeled), vacancy, home value, demographics, income, employment, the county's HMDA mortg…Read-only
  • top_marketsWhich US rental markets look strongest right now? National (or single-state) leaderboard: zips with the highest estimated cap-rate bands among markets with population of 10,000+ and complete rent, va…Read-only
  • compare_zipsHow do these zip codes compare as rental markets? Side-by-side comparison of 2-6 US zips: rent, cap-rate band (modeled), vacancy, home value, population, renter share, income, employment, with a door…Read-only
  • hazard_riskWhat flood, wildfire, and wind risk does this zip code carry? NFIP flood-insurance claims on record (count, payouts, recency, claims per 1,000 housing units), FEMA National Risk Index county scores f…Read-only
  • rent_trendWhich way is rent moving in this zip code? Monthly median-rent history with home values, the direction of movement, and the zip's national and state rank for 3-month rent growth. Updated monthly.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 200258 ms
initializedHTTP 20261 ms
tools/listHTTP 200118 ms
unknown-methodHTTP 20079 ms

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