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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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
小道 Xiaodao

Bazi (Four Pillars) and Qimen Dunjia charts with true solar time and historical time zones.

OtherOther

Responded554 ms13 / 22
Eventual Premium Lock

Premium Lock provides useful tools for insurance tracking, budgeting, and predictions.

OtherOther

Responded556 ms13 / 22
Kata (型)

実在の日本のLP/HPを参考に返す。業種や雰囲気からURLと実測配色を数件。無料・鍵不要。

OtherOther

Responded558 ms13 / 22
Obligacje Catalyst (Obligacyjny Inwestor)

Read-only data on GPW Catalyst corporate bonds: issuers, series, coupons, maturities, covenants.

OtherOther

Responded559 ms13 / 22
Picardo Supplements

Turn a list of supplements into one custom daily supplement from Picardo, with a link to buy it.

OtherOther

Responded559 ms13 / 22
com.keywordise/keywordise

Auto-apply to jobs: matches your CV, tailors a fresh CV per posting, and applies for you.

OtherOther

Responded559 ms13 / 22
Luxor Plastic Cards

Quote and order premium 30mil clear, frosted and white plastic business cards, made in the USA.

OtherOther

Responded560 ms13 / 22
The Wiley Rule (public data)

Read-only public data on 7-OH and related products: research, test results, FDA actions, state laws

OtherOther

Responded562 ms13 / 22
com.softwareengineeringprofessional/journeyman

Read-only Pattern-Assist corpus for aspiring software engineers: grounded dev patterns with sources.

OtherOther

Responded562 ms13 / 22
OutPace

Free step and fitness challenges on OutPace for friends, run clubs, teams and military units.

OtherOther

Outdated check562 ms13 / 22
The Johns Islander — Kiawah, Seabrook and Johns Island

Kiawah, Seabrook and Johns Island, SC: neighborhoods, MLS market, every fee, flood zones, what's on.

OtherOther

Responded563 ms13 / 22
Flautoquotes

Indicative US auto insurance prices for agents: rating facts only, no PII, consented path to agents.

OtherOther

Responded563 ms13 / 22
Amortization Schedule

Row-by-row loan amortization schedules: monthly or daily accrual, extra principal, PMI, biweekly.

OtherOther

Outdated check563 ms13 / 22
calc.engineer

88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.

OtherOther

Responded564 ms13 / 22
FindADoctor.si France

Find doctors in France by condition, procedure or place, with fee category and sources. No sign-up.

OtherOther

Responded566 ms13 / 22
FindADoctor.si New Zealand

Find New Zealand doctors and GP practices by condition, procedure or place, with sources. No signup.

OtherOther

Responded566 ms13 / 22
ExactMelt

Metal and coin melt values

OtherOther

Outdated check568 ms13 / 22
Bayan — Islamic encyclopedia (Arabic)

Hadith with grades and takhrij, Qur'an verses with tafsir, narrators and articles, in Arabic.

OtherOther

Responded569 ms13 / 22
Absolute Best Air

HVAC facts for Absolute Best Air in Henry County and South Metro Atlanta.

OtherOther

Responded570 ms13 / 22
QuakeIndex

Live USGS earthquake data: latest quakes, quakes near a US place, and was that an earthquake?

OtherOther

Responded571 ms13 / 22
FieldDraft

Draft contractor quotes priced only from your own price book; find, edit and push them to Jobber.

OtherOther

Responded571 ms13 / 22
Navigi: community services across Canada

Community services in every Canadian community, each with the date it was last checked.

OtherOther

Responded573 ms13 / 22
Oklahomaautoquotes

Indicative US auto insurance prices for agents: rating facts only, no PII, consented path to agents.

OtherOther

Responded576 ms13 / 22
CuraCareer jobs

Physiotherapy, occupational and speech therapy jobs in Germany, with one-minute application links.

OtherOther

Responded577 ms13 / 22

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