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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5364 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
UPFRONT

All-in ticket prices across ticket sites, seat views and venue guides for US events.

OtherOther

Responded858 ms13 / 22
Loqal

Profissionais de serviços locais no Brasil: encanador, eletricista, diarista e +270 tipos

OtherOther

Responded866 ms13 / 22
AI Citizenship

Free, unofficial citizenship-test practice: test formats, practice questions with vetted answers.

OtherOther

Responded879 ms13 / 22
When Works For You

Find a date that works for a group: answer a poll from its link, or create one and invite guests.

OtherOther

Responded893 ms13 / 22
RegSentry Website Tracking Inspector

Inspect authorized website tracking, compare consent observations, and get remediation guidance.

OtherOther

Responded893 ms13 / 22
Dream On Concierge

Luxury crewed catamaran charter in the BVI: availability, published-rate quotes and hold requests.

OtherOther

Responded905 ms13 / 22
Parksy

Free, no key. Find parking spaces and get parking fine help in AU, US, UK, CA, NZ and IE.

OtherOther

Responded907 ms13 / 22
GameBattle

GameBattle (gamebattle.net) Korean esports: public tournaments, games, PC bang venues, guides

OtherOther

Responded909 ms13 / 22
xyz.pflow.sim/whatif

Conversational what-if simulation: build, diagnose and compare Petri-net models; CC0 catalog.

OtherOther

Outdated check912 ms13 / 22
Global Surfari Surf Forecasts

7 day surf forecasts (wave, wind, period) for any coordinate or named surf spot.

OtherOther

Responded914 ms13 / 22
RushOrderTees

Custom t-shirts and apparel, printed and shipped in the US on your deadline.

OtherOther

Responded917 ms13 / 22
Calcupedia

2,500+ calculators and unit converters with exact results and a live calculator card in the chat.

OtherOther

Responded921 ms13 / 22
number7even website check

Free website check: rebuild preview in every design, AI-readiness test, fixed price.

OtherOther

Responded921 ms13 / 22
AI Stack Score

Scores a website's AI technology adoption using BuiltWith data.

OtherOther

Responded921 ms13 / 22
MadeCheck

Free landed cost estimates and import requirements for US businesses buying from China.

OtherOther

Responded924 ms13 / 22
Fulfy Plus

fulfyplus.com: compare Zoom, MRW, Tealca, Yummy & more in Venezuela and get discounted carrier rates

OtherOther

Responded924 ms13 / 22
Kubova — 3D Container Loading

Pack cargo into containers & onto pallets; a verifiable 3D loading plan. Free tier + REST API.

OtherOther

Responded925 ms13 / 22
Agentic Fabrication Network (AFN)

Turn designs into shipped parts: quote 3D printing, CNC, and decals, then check out.

OtherOther

Responded927 ms13 / 22
Zhiyong Parcel Tracking

Track parcel status and scan history; currently supports UniUni only.

OtherOther

Responded936 ms13 / 22
ai.gregbenza/openhouse

The Open House: a locker, a verifier, a fair coin, a job board, and rooms that give nothing back.

OtherOther

Responded948 ms13 / 22
Energetica — Argentine Oil & Gas Data

Argentine oil & gas data — 40+ curated tables: production, wells, prices, investments, trade.

OtherOther

Responded953 ms13 / 22
GoodLeads

Find new business owner contacts the morning the state posts a filing. Preview free, pay per record.

OtherOther

Responded955 ms13 / 22
BONUM Servicios de Ingeniería — proveedor

Catálogo, cobertura y cotización de BONUM: automatización, robótica, solar e IA en México.

OtherOther

Responded973 ms13 / 22
VetAid — VA Claim Intelligence

Real Board of Veterans' Appeals outcome data for VA disability claims. No key needed.

OtherOther

Responded977 ms13 / 22

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