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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5233 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
United States Salary Calculator

United States 2026: net pay itemised, gross for target net, employer cost, vs NL.

OtherOther

Outdated check137 ms13 / 22
ReplacementHQ 3D Printer Parts Register

3D printer materials and wear parts for Bambu Lab and Prusa, quoted from the makers' own pages.

OtherOther

Outdated check137 ms13 / 22
Vorsorge-Regeln

German estate planning: notary fees, inheritance shares, sourced facts, free emergency folders.

OtherOther

Outdated check137 ms13 / 22
ComputePrep

Daily verified quant drill for IBPS, SBI and SSC exams: graded answers, hints, worked solutions.

OtherOther

Outdated check137 ms13 / 22
Wieldr game radar

Hourly radar of Roblox, Steam, Fortnite, iOS and itch.io games: rising games, niches and gaps.

OtherOther

Outdated check138 ms13 / 22
Wizcom Limited

Metro Detroit managed IT: company info, downtime and cyber insurance tools, AI visibility scan.

OtherOther

Outdated check139 ms13 / 22
NJ Snow Plowing — book snow plowing in North Jersey

Book snow plowing in North Jersey, NJ: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check139 ms13 / 22
Catalogue Homeoceutics / Homeoceutics Catalog

Catalogue public anonyme en lecture seule. Anonymous, read-only public catalog.

OtherOther

Outdated check139 ms13 / 22
Flowie

Ask about Flowie: invoicing in 150 countries via Sovos, order-to-cash, procure-to-pay, SRM.

OtherOther

Outdated check139 ms13 / 22
TrovaStorage

TrovaStorage.it è il marketplace per il self-storage. Cerca centri, schede per città. Sola lettura.

OtherOther

Outdated check140 ms13 / 22
Sideways

Use Sideways for unexpected questions and lateral thinking prompts to break through mental blocks.

OtherOther

Outdated check140 ms13 / 22
My Star Letter: Human Design Chart

Human Design chart from a birth date, time and time zone: type, authority, profile, centers.

OtherOther

Outdated check140 ms13 / 22
Dinero en la Mesa — Perp DEX costs & funding

Dinero en la Mesa: live all-in cost (fees + slippage) and funding on 28 perp DEXs. Free, read-only.

OtherOther

Outdated check140 ms13 / 22
iParts Estonia Parts Catalogue

Read-only iParts Estonia auto parts catalogue: numbers, vehicles, categories, fitment, offers, oils.

OtherOther

Outdated check141 ms13 / 22
Blitzbuchen Reiseplaner

Reisepläne, Last-Minute-Checks und Vergleich eigener Angebote. Keine Livepreise oder Buchungen.

OtherOther

Outdated check141 ms13 / 22
KC Volts — book electrician in Kansas City

Book electrician in Kansas City, MO: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check141 ms13 / 22
GIX FIBER dark fiber (NYC / NJ)

Welcome to GIX: say who you are and what you need. NYC-Newark dark fiber facts, resources, quotes.

OtherOther

Outdated check141 ms13 / 22
AstraNL Dutch counterparty check

Check a Dutch supplier before you pay: KvK register, name match, VIES VAT, EU sanctions. No key.

OtherOther

Outdated check141 ms13 / 22
Assurs LAMal comparator

Swiss LAMal premium comparison (OFSP 2027), single or household; consented offer requests to SPI.

OtherOther

Outdated check141 ms13 / 22
Softoteca

Catálogo de software do Brasil: fichas com a origem de cada dado, preços em reais e comparação.

OtherOther

Outdated check141 ms13 / 22
LTD Turnaround UK Insolvency Data

UK company insolvency figures, winding-up petition counts and the insolvency practitioner register.

OtherOther

Outdated check142 ms13 / 22
needmoar.games

Ranks Steam games by how much players like them, learned from head-to-head duels.

OtherOther

Outdated check142 ms13 / 22
Subletka

Rooms and flats for long-term stays in Warsaw and Kraków.

OtherOther

Outdated check142 ms13 / 22
BilYe

Compare the same dish across Yemeksepeti, Trendyol Yemek, Migros Yemek and Tıkla Gelsin in Istanbul.

OtherOther

Outdated check142 ms13 / 22

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