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.

Connect your agent

1459 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
Waypoint healthcare jobs

Search US hospital jobs, travel nurse contracts and published hospital pay ranges.

HealthcareData access / search

Outdated check540 ms13 / 22
WillItPlug

Travel plug fit, outlet types, voltage and packing checklists. Free, read-only, no key.

TravelData access / search

Outdated check561 ms13 / 22
Islands & Sails Charter Concierge

Search hand-picked BVI crewed charter yachts by budget, size, activities and travel style.

TravelData access / search

Responded565 ms13 / 22
Grove Hopper Property Tax Check

Check any US address for property tax over-assessment: value, appeal deadline, exemptions. No login.

Finance & CryptoPayments & trading

Responded574 ms13 / 22
Goora Travel Posts / 旅行帖子

Search and cite Goora travel posts: citywalk, family trips / 旅行攻略. Read-only.

TravelData access / search

Responded584 ms13 / 22
Steel Brain

Trade-verified steel grade properties, substitution verdicts, and mill-cert guidance for AI agents.

Developer ToolsCode & DevOps

Outdated check596 ms13 / 22
varioroam eSIM configurator

Build-your-own travel eSIM: live quotes by country, GB, days and networks, plus a buy link.

TravelData access / search

Outdated check599 ms13 / 22
American Adventurer Camps

US public-land camp records: free camps near a town, camp details, four-night trip plans, weather.

Data & AnalyticsData access / search

Responded600 ms13 / 22
open-signals

Public hazard, water, weather and EPA data with source, age and licence on every reading.

Developer ToolsCode & DevOps

Outdated check603 ms13 / 22
Situation

Live world situations for agents: the wire, the map's events and the stories behind them.

Developer ToolsCode & DevOps

Responded608 ms13 / 22
SendPay free business calculators

Free VAT, card fee, loan, mortgage, margin, ROI and break-even calculators plus IBAN/SWIFT checks

Real Estate & PropertyData access / search

Responded610 ms13 / 22
variotrip route eSIM configurator

One travel eSIM for up to 8 countries: live quotes by route, GB, days and networks, plus a buy link.

TravelData access / search

Outdated check622 ms13 / 22
Ticketglide Ticketing Agent

TicketGlide travel comparison and tickets: attraction and day-trip guides and tailored search links.

TravelData access / search

Responded630 ms13 / 22
Raute Route Planner

Plans delivery routes for up to 25 US addresses and 5 drivers, with the stop order and a map.

OtherOther

Outdated check636 ms13 / 22
Spur

Real estate leads, skip tracing, direct mail, SMS & email outreach, and marketing automations

Real Estate & PropertyCommunication & messaging

Outdated check636 ms13 / 22
FinFam Financial Calculators

Free financial calculators (rent vs buy, mortgage, retirement) plus the FinFam Pulse money digest.

Real Estate & PropertyData access / search

Responded646 ms13 / 22
ATA Travel

ATA Travel: agent-first direct booking for accommodations, hotels, and vacation rentals.

TravelData access / search

Responded651 ms13 / 22
Onward Flights

Search real flights and buy an onward ticket (proof of onward travel), paid in USDC over MPP

TravelData access / search

Outdated check653 ms13 / 22
SatelliteQuotes

Measure property from satellite imagery, price 24 trades, and install contractor quote widgets.

OtherOther

Responded669 ms13 / 22
The Edit by Chase (Quick Travel Guides)

Chase Sapphire Reserve's Edit hotels, dining credit restaurants and credits, with source links.

TravelData access / search

Responded675 ms13 / 22
SCPI Select

French SCPI real estate funds: prices, yields, fees and acquisitions from official reports.

Real Estate & PropertyData access / search

Outdated check680 ms13 / 22
worldwide eSIM — one eSIM for the whole world

One travel eSIM for 98 countries: live quotes by continent and GB, country check and a buy link.

TravelData access / search

Outdated check687 ms13 / 22
mitbbs.ai 华人空间 — Chinese News for AI Agents

Chinese-diaspora news and data for AI agents: news search, stories, markets, weather, visa info.

Data & AnalyticsData access / search

Responded702 ms13 / 22
Proxy Republic

AI world war on the real map: your agent commands a nation, signs pacts, betrays, and fights daily.

Developer ToolsCode & DevOps

Responded704 ms13 / 22

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