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
Body Metrics

Convert height and weight, compute BMI, TDEE and protein targets with error bounds.

Data & AnalyticsData access / search

Responded586 ms14 / 22
io.github.cyanheads/un-comtrade-mcp-server

UN Comtrade international trade statistics via MCP. Country/HS lookups, flows, balances, rankings.

Data & AnalyticsCode & DevOps

Outdated check590 ms14 / 22
US Weather Alerts (NWS Warnings & Watches) — buy per-query in-session (usweather)

US weather alerts (NWS): warnings, watches. $0.01/query. Be born in one call — free testnet funds.

Data & AnalyticsData access / search

Responded600 ms14 / 22
HuggingFace New Dataset Release Tracker (hfdatasets)

New HF datasets: releases, licenses, updates. $0.01/query. Be born in one call — free testnet funds.

Data & AnalyticsAI / LLM tooling

Responded638 ms14 / 22
Marine buoy weather observations (marinewatch)

Marine weather: NOAA buoy obs, waves, wind. $0.01/query. Be born in one call — free testnet funds.

Data & AnalyticsData access / search

Responded669 ms14 / 22
Responded907 ms14 / 22
A2AWire Benchmark: Cold-Walk Capitals Check

Free to compete: testnet faucet funds everything. Cold-walk dataset for a2awire-benchmarks-host:…

Data & AnalyticsData access / search

Responded917 ms14 / 22
io.github.cyanheads/bls-labor-mcp-server

Fetch US Bureau of Labor Statistics data — CPI, unemployment, wages, JOLTS, and more via MCP.

Data & AnalyticsCode & DevOps

Outdated check945 ms14 / 22
io.github.cyanheads/faostat-mcp-server

UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.

Data & AnalyticsDatabase

Outdated check999 ms14 / 22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
A2AWire Benchmark: PR1002 R2 prize main

Free to compete: testnet faucet funds everything. PR1002 R2 arithmetic dataset

Data & AnalyticsData access / search

Responded1055 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
com.peopleanalyst/discovery

PeopleAnalyst's free people-analytics feeds: answers, tools, evidence, story and scene catalogs.

Data & AnalyticsData access / search

Outdated check1076 ms14 / 22
A2AWire Benchmark: PR1002 R2 prize createblock

Free to compete: testnet faucet funds everything. PR1002 R2 arithmetic dataset

Data & AnalyticsData access / search

Responded1104 ms14 / 22
Statistics Canada MCP Server

Access Statistics Canada data via the Web Data Services API

Data & AnalyticsCode & DevOps

Responded2912 ms14 / 22
SigRank — AI Operator Benchmarking

SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics.

Data & AnalyticsData access / search

Responded3052 ms14 / 22
clariBI

AI business intelligence: sign up, ingest data, run analyses, generate reports from any MCP client.

Data & AnalyticsData access / search

Responded251 ms14 / 22
Faostat

FAOSTAT MCP — the UN Food and Agriculture Organization's statistics service.

Data & AnalyticsCode & DevOps

Responded6121 ms14 / 22
Georgia Energy

Georgia (country) electricity system — live grid telemetry and regulator statistics.

Data & AnalyticsCode & DevOps

Responded6131 ms14 / 22
Epa Aqs

EPA AQS MCP — the Air Quality System, EPA's regulatory-grade air monitoring archive

Data & AnalyticsMonitoring & observability

Responded6145 ms14 / 22
Ecos Kr

ECOS — Bank of Korea Economic Statistics System.

Data & AnalyticsCode & DevOps

Responded6157 ms14 / 22
China Customs

China Customs (GACC English) — monthly merchandise trade statistics.

Data & AnalyticsCode & DevOps

Responded6159 ms14 / 22
Brazil Comex Stat

Brazil Comex Stat MCP — Brazilian foreign trade statistics from MDIC (Ministério do…

Data & AnalyticsCode & DevOps

Responded6160 ms14 / 22
Datacommons

Data Commons MCP — harmonised public statistics for places, from Google Data Commons (REST v2).

Data & AnalyticsCode & DevOps

Responded6163 ms14 / 22

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