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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1443 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
Outdated check907 ms14 / 22
io.github.cyanheads/openstreetmap-mcp-server

Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data.

Developer ToolsCode & DevOps

Outdated check928 ms14 / 22
io.github.cyanheads/nws-weather-mcp-server

Get US weather forecasts, active and recent alerts, and current observations.

Developer ToolsCode & DevOps

Outdated check933 ms14 / 22
geonames-mcp-server

Search GeoNames places, walk admin hierarchies, reverse geocode, get postal codes and country info.

Developer ToolsCode & DevOps

Outdated check948 ms14 / 22
io.github.cyanheads/openchargemap-mcp-server

Find EV charging stations, detail, and reliability check-ins via the global Open Charge Map.

Developer ToolsCode & DevOps

Outdated check980 ms14 / 22
io.github.cyanheads/pubchem-mcp-server

Search PubChem compounds, properties, safety data, bioactivity, and cross-references.

Developer ToolsCode & DevOps

Outdated check999 ms14 / 22
io.github.cyanheads/noaa-climate-mcp-server

Search NOAA climate stations and datasets, fetch historical weather observations.

Data & AnalyticsCode & DevOps

Outdated check1007 ms14 / 22
Pinmade: local makers

Find hand-checked local makers worldwide: shops that make their own things, with hours and maps.

E-commerceData access / search

Responded1052 ms14 / 22
Fabrica (Sepolia testnet)

Fabrica test properties on Sepolia: try every Fabrica tool with no real-world effect.

Developer ToolsCode & DevOps

Responded1062 ms14 / 22
io.github.cyanheads/open-meteo-mcp-server

Global weather via Open-Meteo: forecast, historical, marine, air quality, geocoding, elevation.

Data & AnalyticsCode & DevOps

Outdated check1065 ms14 / 22
2b2t Atlas

Search 2b2t bases, WDLs, signs, saved inventories, rare blocks, mobs, map art and NoCom history.

Developer ToolsCode & DevOps

Outdated check1123 ms14 / 22
Tu Lugar

Search and manage Paraguay & LatAm real estate from any AI assistant.

Real Estate & PropertyData access / search

Outdated check1134 ms14 / 22
app.sallim/korea-realty

Korean real estate: court auctions, 10M+ MOLIT records, subscription notice facts, loan/DSR rules

Real Estate & PropertyPayments & trading

Responded2364 ms14 / 22
Event Escapes

Search event travel: F1, MotoGP, soccer, NFL, tennis, concerts. Tickets + hotels + experiences.

TravelData access / search

Outdated check9938 ms14 / 22
Pinloft: Batch Geocoder — Address to Lat/Long + Census FIPS

Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.

GovernmentCode & DevOps

Responded100 ms14 / 22
dev.cz-agents/realestate

Czech distressed real estate — anonymized district aggregates (k≥5). Free tier.

Real Estate & PropertyData access / search

Responded342 ms14 / 22
Here

HERE MCP — premium geocoding, places, and TRAFFIC-AWARE routing from HERE (here.com), the…

Developer ToolsCode & DevOps

Responded123 ms14 / 22
Hmda

HMDA — every US mortgage application at loan level (CFPB / FFIEC).

Real Estate & PropertyCode & DevOps

Responded184 ms14 / 22
AgentRoam

Buy travel eSIMs, gift cards and mobile top-ups with crypto — user confirms before any order.

Finance & CryptoPayments & trading

Outdated check192 ms14 / 22
Ipma Pt

IPMA Portugal MCP — weather, UV, sea state, and earthquakes from the Instituto Português do Mar e…

Developer ToolsCode & DevOps

Responded281 ms14 / 22
io.weathersight/weathersight

Historical weather and climate: 100+ years of station data, normals, extremes, and trends.

Data & AnalyticsData access / search

Responded656 ms14 / 22
com.costsegsmart/cost-seg-smart

Cost segregation study pricing and Year-1 depreciation/tax-savings estimates for US properties.

Finance & CryptoPayments & trading

Responded805 ms14 / 22
Coolprop

coolprop — thermophysical fluid properties (PropsSI-style: give two independent state variables…

Developer ToolsCode & DevOps

Outdated check6098 ms14 / 22
Altos

Altos Research MCP — Real estate market intelligence

Real Estate & PropertyCode & DevOps

Outdated check6138 ms14 / 22

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