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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1102 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
io.github.rpconroy/gdex-mcp

MCP server for the GDEX (Geoscience Data Exchange) data portal: datasets, files, metrics, subsetting

Data & AnalyticsCode & DevOps

Outdated check584 ms11 / 22
Mostly Right

Search, sample and query open reproducible datasets published as immutable Parquet with schemas.

Data & AnalyticsData access / search

Outdated check636 ms11 / 22
Outdated check768 ms11 / 22
Codex Reset Monitor

Verified Codex global reset history, banked-reset sightings and cadence statistics by Agenai.

Data & AnalyticsCode & DevOps

Outdated check852 ms11 / 22
Agent Weather

Pay per call, solves one question. Raw public readings on AI agents and x402.

Data & AnalyticsPayments & trading

Outdated check1009 ms11 / 22
org.vicp-registry/vicp-registry

Search 13,000+ US vaccine court (VICP) decisions: cases, court text, statistics, attorneys. Free.

Data & AnalyticsData access / search

Outdated check1017 ms11 / 22
ALUZZA MARINE: Japan boat trade and tide tables

Japan boat trade 2011-2025, tide tables for 239 ports and past monthly weather near ports (JMA).

Data & AnalyticsData access / search

Outdated check1045 ms11 / 22
com.binstockly/site

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

Data & AnalyticsData access / search

Outdated check1067 ms11 / 22
com.cmmsly/site

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

Data & AnalyticsData access / search

Outdated check1078 ms11 / 22
com.enrolvo/site

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

Data & AnalyticsData access / search

Outdated check1085 ms11 / 22
com.potterysupplieshq/site

PotterySuppliesHQ: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not...

Data & AnalyticsData access / search

Outdated check1087 ms11 / 22
com.excurvo/site

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

Data & AnalyticsData access / search

Outdated check1109 ms11 / 22
com.immigrationadviserfinder/site

Immigration Adviser Finder: the site's own MCP server — dataset, enquiry, entities (enquiry = a...

Data & AnalyticsData access / search

Outdated check1117 ms11 / 22
com.eobify/site

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

Data & AnalyticsData access / search

Outdated check1117 ms11 / 22
com.historiapojazduvin/site

Historia Pojazdu VIN: the site's own MCP server — dataset, enquiry (enquiry = a human handoff,...

Data & AnalyticsData access / search

Outdated check1119 ms11 / 22
com.amortlane/site

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

Data & AnalyticsData access / search

Outdated check1122 ms11 / 22
com.perdiemo/site

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

Data & AnalyticsData access / search

Outdated check1123 ms11 / 22
com.rmmcompare/site

RMMCompare: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

Data & AnalyticsData access / search

Outdated check1124 ms11 / 22
com.ptoroom/site

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

Data & AnalyticsData access / search

Outdated check1124 ms11 / 22
com.capanix/site

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

Data & AnalyticsData access / search

Outdated check1126 ms11 / 22
com.carbikly/site

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

Data & AnalyticsData access / search

Outdated check1129 ms11 / 22
com.partnro/site

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

Data & AnalyticsData access / search

Outdated check1132 ms11 / 22
com.breakerdesk/site

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

Data & AnalyticsData access / search

Outdated check1133 ms11 / 22
com.coildesk/site

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

Data & AnalyticsData access / search

Outdated check1134 ms11 / 22

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