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

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7643 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
Greener Closet

Score clothes by disclosed fiber content: fabric labels, products, brands, alternatives.

OtherOther

Responded528 ms14 / 22
Tech.eu Funding Explorer

Search European tech funding rounds, companies, investors and exits — sourced, EUR-normalized.

OtherData access / search

Responded529 ms14 / 22
SandiMorse

Translate Morse code and write Pramuka scout codes, with sound and a lamp, in Indonesian or English.

OtherOther

Responded529 ms14 / 22
Free AI For That

Find free AI tools, check their free-plan limits, compare free plans and find free alternatives.

OtherOther

Responded529 ms14 / 22
FPL Cat

Fantasy Premier League tools: rate a team, captains, player points, fixtures, injuries. No login.

OtherOther

Responded529 ms14 / 22
Instilus compliance and business decision tools

GPSR compliance check and small-business valuation estimate, from Instilus.

OtherOther

Outdated check529 ms14 / 22
Kay1 Electric (Vancouver electrician)

Licensed electrician in Coquitlam & Greater Vancouver, BC: services, areas, free estimate requests.

OtherOther

Responded530 ms14 / 22
Exclusive Digits phone numbers

Search US local phone numbers for sale by city, area code, word, pattern or price.

OtherData access / search

Responded531 ms14 / 22
Anymark

Create logos from templates made by humans (no AI slop)

OtherOther

Responded531 ms14 / 22
pigfox.ai AI search readiness

Check if a site is ready for AI search: AI crawler access, llms.txt, JSON-LD, scored out of 100.

OtherBrowser & web scraping

Responded531 ms14 / 22
RoleWeek

Search developer jobs posted in the last 7 days in the US and Canada, with posted pay. No sign-in.

OtherData access / search

Responded532 ms14 / 22
Lacquer nail salon booking

Find US nail salons and book confirmed appointments: menus, prices, hours, live open times.

OtherOther

Responded533 ms14 / 22
Words in Context

Words-in-context vocabulary practice questions with distractor explanations.

OtherOther

Outdated check534 ms14 / 22
Arquestra Consulting Market Radar

Public consulting tenders and awards in Europe: who wins, open calls, firms and buyers

OtherOther

Responded535 ms14 / 22
Seeker

Match a résumé to live job postings: the top 5 open roles with fit labels and links.

OtherOther

Responded535 ms14 / 22
BizValueDash

Estimate what a small business is worth and search plain-English valuation guides. Read-only.

OtherData access / search

Responded535 ms14 / 22
Open Paddock

Find motorcycle track days in the US, Canada and Mexico by place, date, circuit or organiser.

OtherOther

Responded535 ms14 / 22
Zodiac Compatibility

Zodiac sign matches, Sun, Moon, Venus and rising signs, birth charts and daily horoscopes.

OtherOther

Responded536 ms14 / 22
WaterExamMath

Math practice for the California water operator exams (T1-T3, D1-D3) with worked solutions.

OtherOther

Responded537 ms14 / 22
Private Clubs

Search, look up and compare private membership clubs worldwide

OtherData access / search

Responded537 ms14 / 22
RentBuy.org

Compare renting and buying a home over 30 years: scenarios, side-by-side comparisons, rent sweeps.

OtherOther

Responded538 ms14 / 22
org.billcommons/bill-commons

Search 209k+ US state bills, all 50 states + DC: full text, sponsors, votes, status. Free.

OtherData access / search

Responded538 ms14 / 22
Swell Cabin

Plan surf trips: surf towns and spots worldwide, rated surf forecasts, live cams and where to stay.

OtherOther

Responded539 ms14 / 22
Clearwater Capital Group

Help a US small business owner apply for business funding: $10K-$2M, no hard credit pull to apply.

OtherOther

Responded539 ms14 / 22

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