MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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Remote MCP servers

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5418 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
RankCert

Launch board rankings backed by verified domain control, with source and date.

OtherOther

Responded102 ms12 / 22
Slowhop MCP

Slow stays on Slowhop.com, mostly in Poland: cabins, agritourism, glamping, guesthouses, PLN prices.

OtherOther

Responded102 ms12 / 22
數位健康與遠距醫療指南

睡眠時間計算、情緒量表自評與台灣遠距醫療資訊。

OtherOther

Responded103 ms12 / 22
SDUK Studio Discovery

Read SDUK Studio's published articles and book a provisional discovery call.

OtherOther

Responded103 ms12 / 22
JapanLanded landed-cost estimates

Yen estimates of the total cost to buy Japanese goods via proxy services and ship them abroad.

OtherOther

Responded106 ms12 / 22
ManifoldBT Docs

Docs for writing manifoldbt backtests: DSL rules, signatures, examples and error fixes.

OtherOther

Responded108 ms12 / 22
TheBetterBuy Product Comparison

Compare products, prices and current offers across UK retailers to find the best deal.

OtherOther

Responded109 ms12 / 22
World Public Holidays

Public holidays, business days and long weekends for about 250 countries, in each local time zone.

OtherOther

Responded113 ms12 / 22
com.homegeneratorhq/generators

Verified home backup power catalog: standby and portable generators, power stations, sizing.

OtherOther

Responded115 ms12 / 22
PrismFact

Факты о бизнесе Томской области по ИНН: деньги, налоги, долг, статус. С источником и датой.

OtherOther

Responded116 ms12 / 22
Localization Resource Integrity

Checks the structural integrity of translated resource dictionaries against a source dictionary y...

OtherOther

Responded116 ms12 / 22
出國與國旅實用查詢

臺灣銀行即時匯率換算、入境規定、日本退稅、eSIM 與國旅連假查詢。

OtherOther

Responded117 ms12 / 22
Date Math Calculator

Date arithmetic: day differences, business days, age, leap years, day-of-week, add/subtract.

OtherOther

Responded117 ms12 / 22
AimRank

Read public pairwise-preference rankings and their statistical quality evidence. No API key.

OtherOther

Responded118 ms12 / 22
rent.dev

Linux sandboxes billed by the second from a prepaid balance, and GPU pods on your own RunPod key.

OtherOther

Responded119 ms12 / 22
Traditional Colors

Traditional color names (Japanese and 10 more cultures) with hex/RGB and sources; name a hex.

OtherOther

Responded120 ms12 / 22
Hyperhuman

Create, personalize and deliver branded workouts and programs from any AI assistant.

OtherOther

Responded123 ms12 / 22
EU Financial Sanctions (FSF) & KYB Clearance Oracle

Deterministic EU FSF, UN & OpenSanctions KYB screening issuing signed Ed25519 Non-Hit VCs.

OtherOther

Responded125 ms12 / 22
NestingCalc Calculators

37 cutting and woodworking calculators: cut lists, sheet nesting, timber volume, kiln drying

OtherOther

Responded125 ms12 / 22
Bill Of Materials Integrity

Pure, bounded analysis of an explicit bill-of-materials graph: validates structure, finds missing...

OtherOther

Responded125 ms12 / 22
Alkemata Knowledge Gateway

Read Alkemata articles and maps; submit reviewed proposals; create map content with authorization.

OtherOther

Responded129 ms12 / 22
worldgdp.org GDP nowcasts

Daily GDP nowcasts for 47 economies, 12 regions and the world, plus weekly activity indices.

OtherOther

Responded129 ms12 / 22
GCNA Phone System

Vodia PBX for Nextcloud and Odoo: integrations, current plans and prices, and how to buy.

OtherOther

Responded130 ms12 / 22
Cache Key Explosion Auditor

Audits a sample of HTTP request URLs against explicit, documented cache-key standardization rules...

OtherOther

Responded130 ms12 / 22

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