MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

1106 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
com.orgplanly/site

Orgplanly: the site's own MCP server — dataset; every answer cites the site.

Data & AnalyticsData access / search

Outdated check1474 ms11 / 22
com.proofzo/site

Proofzo: the site's own MCP server — dataset; every answer cites the site.

Data & AnalyticsData access / search

Outdated check1479 ms11 / 22
com.employeedeskhq/site

EmployeeDeskHQ: the site's own MCP server — dataset; every answer cites the site.

Data & AnalyticsData access / search

Outdated check1488 ms11 / 22
com.medspacostchecker/site

Med Spa Cost Checker: the site's own MCP server — dataset, enquiry (enquiry = a human handoff,...

Data & AnalyticsData access / search

Outdated check1517 ms11 / 22
com.abutly/site

Abutly: the site's own MCP server — dataset; every answer cites the site.

Data & AnalyticsData access / search

Outdated check1535 ms11 / 22
com.heatpumpcosteurope/site

Wärmepumpe Kosten Europa: the site's own MCP server — dataset, enquiry (enquiry = a human...

Data & AnalyticsData access / search

Outdated check1591 ms11 / 22
dynamical.org Weather & Climate Catalog

Search dynamical.org's open STAC catalog of weather & climate datasets (GFS, ECMWF, HRRR).

Data & AnalyticsCode & DevOps

Outdated check2519 ms11 / 22
com.orgbix/site

Orgbix: the site's own MCP server — dataset; every answer cites the site.

Data & AnalyticsData access / search

Outdated check2779 ms11 / 22
Outdated check184 ms11 / 22
Engagemii AI Visibility Data

AI visibility of 82M+ companies: scores, AI crawler reads, full records. Free 500 and 1M datasets.

Data & AnalyticsBrowser & web scraping

Outdated check335 ms11 / 22
app.vercel.filingcheck-bot/filingcheck

Real SEC EDGAR filing metrics: margin-of-safety, EPS growth, going-concern flags.

Data & AnalyticsData access / search

Outdated check429 ms11 / 22
Voxjobs (Portugal)

Job listings in Portugal: search, salary statistics, comparables and companies.

Data & AnalyticsData access / search

Outdated check450 ms11 / 22
io.github.MCFLAMINGO/local-intel

Hyperlocal business intelligence for AI agents. 20 MCP tools. Florida-first, Sunbelt expansion.

Data & AnalyticsCode & DevOps

Outdated check486 ms11 / 22
Voxcars (Portugal)

Used-car listings in Portugal: search, price statistics, comparables and articles.

Data & AnalyticsData access / search

Outdated check713 ms11 / 22
Ground Truth Worldwide

Live, cited facts for anywhere on Earth: weather, rivers, floods, quakes, disasters, air quality.

Data & AnalyticsData access / search

Responded756 ms11 / 22
Hermes — Air Quality Intelligence

UK air quality MCP: live readings, historical trends, LAQM stats, WHO checks, knowledge base.

Data & AnalyticsKnowledge & memory

Outdated check70 ms10 / 22
Clara — Personal Clean Air Planner

UK personal air quality advice and daily exposure assessment. Pairs with Hermes for live data.

Data & AnalyticsData access / search

Outdated check106 ms10 / 22
Finland Statistics MCP

Experimental MCP exploring Statistics Finland PxWeb statistical datasets.

Data & AnalyticsCode & DevOps

Outdated check141 ms10 / 22
Poland Statistics MCP

Experimental MCP exploring Polish administrative units and BDL statistics.

Data & AnalyticsCode & DevOps

Outdated check149 ms10 / 22
Philidor DeFi Vault Risk Analytics

Search 700+ DeFi vaults, compare risk scores, analyze protocols. No API key needed.

Data & AnalyticsData access / search

Outdated check179 ms10 / 22
Eurostat Statistics MCP

Experimental MCP providing read-only population statistics from Eurostat.

Data & AnalyticsCode & DevOps

Outdated check317 ms10 / 22
USDA Food Access

SNAP participation, food insecurity indicators, and agricultural statistics

Data & AnalyticsData access / search

Outdated check528 ms10 / 22
EPA Air Quality & Toxics

Toxics Release Inventory, Superfund sites, air quality data, and AQI

Data & AnalyticsData access / search

Outdated check528 ms10 / 22
NWS Weather Alerts

Active weather alerts and warnings from the National Weather Service

Data & AnalyticsData access / search

Outdated check530 ms10 / 22

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