MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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.

Connect your agent

6015 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
LevelRoam

Read-only game, setup, place, evidence and travel decision tools with explicit provenance.

TravelData access / search

Responded468 ms11 / 22
Agent Wholesale

Pay-per-call web search, keyword trends, and evidence-backed public-page change intelligence.

Developer ToolsData access / search

Responded473 ms11 / 22
Cancun4me — Reservas de Hotel

Pesquise, cote e reserve hoteis de Cancun/Riviera Maya direto de uma IA (Cancun4me).

TravelData access / search

Responded477 ms11 / 22
Argo Hub Fulfillment Ecommerce

Calculate ecommerce fulfillment plans, logistics budgets and warehouse cost comparisons in Spain.

E-commerceData access / search

Responded480 ms11 / 22
PromptDNA

Community library of composable AI prompt blocks for search, composition, and contribution.

OtherData access / search

Responded502 ms11 / 22
PubMed / MEDLINE Literature Search

Search biomedical literature, get article details, find related articles, and explore MeSH terms

OtherData access / search

Responded530 ms11 / 22
IRS 990 Nonprofit Data

Nonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica

OtherData access / search

Responded530 ms11 / 22
HUD Housing Data

Fair Market Rents, income limits, public housing, vouchers, and homeless counts

Real Estate & PropertyData access / search

Responded530 ms11 / 22
EPA Air Quality & Toxics

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

Data & AnalyticsData access / search

Responded531 ms11 / 22
FRED Economic Data

GDP, unemployment, CPI, interest rates, and 800K+ economic time series from the Federal Reserve

GovernmentData access / search

Responded532 ms11 / 22
USDA Food Access

SNAP participation, food insecurity indicators, and agricultural statistics

Data & AnalyticsData access / search

Responded533 ms11 / 22
VA Healthcare Facilities

VA facility locations, services, wait times, and satisfaction scores

HealthcareData access / search

Responded534 ms11 / 22
HMDA Mortgage Data

Home mortgage lending patterns, denial rates, and fair lending data

Real Estate & PropertyData access / search

Responded534 ms11 / 22
Census ACS Demographics

Population, income, poverty, education, housing, and commuting from the US Census ACS

Real Estate & PropertyData access / search

Responded534 ms11 / 22
AdCritter for Builders

AdCritter ads platform: docs, API reference, app scaffolding, and white-label integration.

Marketing & SalesData access / search

Responded534 ms11 / 22
NWS Weather Alerts

Active weather alerts and warnings from the National Weather Service

Data & AnalyticsData access / search

Responded535 ms11 / 22
CDC Mortality (WONDER)

Leading causes of death, mortality rates, infant mortality, and drug overdose data

HealthcareData access / search

Responded535 ms11 / 22
FEMA Disasters

Federal disaster declarations, emergencies, and assistance data

GovernmentData access / search

Responded536 ms11 / 22
Cochrane Medical Reviews

Systematic medical reviews and evidence-based healthcare research

HealthcareData access / search

Responded536 ms11 / 22
CMS Medicare Data

Medicare spending, chronic conditions, hospital quality, readmissions, and enrollment

HealthcareData access / search

Responded536 ms11 / 22
Family Fishin Website Discovery

Read-only search of FamilyFishin.com articles, pages, products, prices, stock, and variations.

Finance & CryptoData access / search

Responded547 ms11 / 22
com.venturu/mcp-server

The Venturu MCP server. Search and contact business listings and brokers on Venturu.

Developer ToolsData access / search

Responded552 ms11 / 22
KillionApps Promotion Allocation — Contribution Profit

Ecommerce capital allocation: marketing budgets, advertising, merchandising, product portfolios.

Marketing & SalesData access / search

Responded592 ms11 / 22
Fintel Discovery — Financial Intelligence for AI Agents

Delivers public regulatory and market data from 11 key sources such as FINRA, SEC, Census, FRED

Finance & CryptoData access / search

Responded639 ms11 / 22

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