MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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438 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
FreeRateUpdate Mortgage & Home Equity Shopping

Mortgage and home equity rates, loan limits, lender HMDA and SEC figures, home values, news

Real Estate & PropertyData access / search

Outdated check553 ms13 / 22
ParcelSheet

Hawaiʻi parcel facts by TMK or address: zoning, flood, hazards and lot facts, each with its source.

Real Estate & PropertyData access / search

Outdated check601 ms13 / 22
DealScanner

Search real-estate deals, rank top areas, run rental/BRRRR/flip analysis, pull sold comps.

Real Estate & PropertyData access / search

Outdated check606 ms13 / 22
WhereToLive London open data

London postcodes and districts from official open data: prices, crime, schools, rents, commutes

Real Estate & PropertyData access / search

Outdated check617 ms13 / 22
Vocasa

Rental property analysis your AI can call

Real Estate & PropertyData access / search

Outdated check625 ms13 / 22
HouseData — Zillow data

Zillow data for agents: listings, records, Zestimate history, market stats. 19 tools, pay per call.

Real Estate & PropertyData access / search

Outdated check631 ms13 / 22
Spur

Real estate leads, skip tracing, direct mail, SMS & email outreach, and marketing automations

Real Estate & PropertyCommunication & messaging

Outdated check636 ms13 / 22
io.github.themutherfvcker/adu-zoning

Check if a Florida address can build an ADU: county GIS zoning, eligibility verdict, local rules.

Real Estate & PropertyCode & DevOps

Outdated check652 ms13 / 22
SCPI Select

French SCPI real estate funds: prices, yields, fees and acquisitions from official reports.

Real Estate & PropertyData access / search

Outdated check680 ms13 / 22
io.kolmo.www/kolmo-mcp-server

WA permit rules (city + state baseline, cited), parcel zoning, L&I checks, Seattle estimates & ROI

Real Estate & PropertyData access / search

Outdated check685 ms13 / 22
Socials Homes Docs

How Socials Homes works: pricing, FAQ, a terms summary and housing guides for people moving abroad.

Real Estate & PropertyData access / search

Outdated check690 ms13 / 22
ProprioSign

Québec lease notice deadlines (art. 1942 C.C.Q.), rent increase notices and guides for landlords.

Real Estate & PropertyData access / search

Outdated check690 ms13 / 22
com.lucidrents/building-intelligence

Building intelligence for NYC, LA, Chicago rentals: violations, 311, reviews, rents, landlords.

Real Estate & PropertyData access / search

Outdated check699 ms13 / 22
SPACEXPLORATION

Search commercial real estate listings. Reads need no token; authoring is self-serve OAuth (DCR).

Real Estate & PropertyData access / search

Outdated check756 ms13 / 22
LenDb.ai

Find US mortgage loan officers for a borrower's situation and place. Free, lender-neutral, sourced.

Real Estate & PropertyData access / search

Outdated check760 ms13 / 22
EcoPlaza MCP

Read-only MCP for EcoPlaza, Peruvian commercial real estate: projects, units, advisor contact.

Real Estate & PropertyData access / search

Outdated check846 ms13 / 22
Jacob Campbell — Florida Real Estate (The Keyes Company)

Read-only server for jacobcampbellrealtor.com: licensee, service area, referrals, site search.

Real Estate & PropertyData access / search

Outdated check880 ms13 / 22
HomeCalc — Canadian Mortgage & Tax Calculators

34 read-only Canadian mortgage, tax and home-buying tools, including nationwide LTT coverage.

Real Estate & PropertyData access / search

Outdated check880 ms13 / 22
io.github.realopengroup/mcp-server

Verify crypto wallets and generate proof of funds letters for buying real estate with crypto.

Real Estate & PropertyPayments & trading

Outdated check885 ms13 / 22
Buildability

Source-cited, address-level answers on zoning, site constraints, permitting and what can be built.

Real Estate & PropertyData access / search

Outdated check930 ms13 / 22
US Mortgage Calculator

US mortgage calculator and amortization API with 50-state property tax, PMI, and affordability data.

Real Estate & PropertyData access / search

Outdated check954 ms13 / 22
Senaro Personal Finance

Credit card payoff, mortgages, refinancing, 401(k), rent vs buy. Every rule and default is cited.

Real Estate & PropertyData access / search

Outdated check972 ms13 / 22
Kopp Real Estate München

Munich real estate: market prices by district, current listings, free valuation and search requests.

Real Estate & PropertyData access / search

Outdated check978 ms13 / 22
Compound Mint Money Calculator

Free money calculators: growth, retirement, mortgage, inflation, debt. Not financial advice.

Real Estate & PropertyData access / search

Outdated check1040 ms13 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence