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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7505 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
530A Model calculator

Free, deterministic 530A (Trump Account) projections, verified rules, and searchable guides.

OtherOther

Outdated check84 ms14 / 22
app.agendaforge/agendaforge

Event management for organizers: events, sessions, speakers, agendas, forms, approval-gated writes.

OtherOther

Responded85 ms14 / 22
Awwab Qibla & Quiz

Qibla direction from anywhere, with a live compass link, and an Islamic knowledge quiz. By Awwab.

OtherOther

Responded86 ms14 / 22
zRev AI

Grade any llms.txt, cold-read a homepage, run a B2B GTM ROI model, get a GTM diligence checklist.

OtherOther

Responded86 ms14 / 22
SentryFi - Wi-Fi Safety

SentryFi Wi-Fi safety app (App Store, Google Play): who is on my Wi-Fi, public Wi-Fi risk.

OtherOther

Responded87 ms14 / 22
Find and book a local service pro

Find a local service company by US ZIP code (garage door, locks, HVAC and more) and book a visit.

OtherOther

Responded87 ms14 / 22
Nadveo — book air-conditioning service

Find air-conditioning service companies and book a visit: prices, free times, error-code hints.

OtherOther

Responded88 ms14 / 22
busik.ch – Minibusfahrten Ukraine, Deutschland, Schweiz

Search minibus trips between Ukraine, Germany and Switzerland. Read-only.

OtherData access / search

Responded88 ms14 / 22
com.empryo/docs

Search and read Empryo's documentation. Read-only, no auth, no local access.

OtherFile & docs

Responded88 ms14 / 22
DMX to GDTF

Identify a lighting fixture and its DMX mode from a DMX channel list (10,500+ GDTF profiles).

OtherOther

Responded89 ms14 / 22
Experience Bamfield

Plan and price trips to Bamfield, BC, and build the guest's cart link. Read-only; no key to connect.

OtherOther

Responded89 ms14 / 22
JustAutomate website

JustAutomate, AI agents and process automation agency: site search, pages, workshop price, contact.

OtherAutomation & workflows

Responded89 ms14 / 22
Untilfree - FIRE Calculator

Untilfree FIRE app (App Store, Google Play): your freedom date and FIRE retirement numbers.

OtherOther

Responded91 ms14 / 22
Psychologie & Sérénité

Lecture seule : tests psy, blog, livres, ScanMyLove, ScanMyJob et rendez-vous visio (FR/EN).

OtherOther

Responded91 ms14 / 22
Irish History: 1798, O'Connell, Young Ireland & the Great Famine

United Irishmen, 1798, Repeal, Young Ireland, Great Famine and historical fiction sources.

OtherOther

Responded92 ms14 / 22
PixilUI components

Search and install PixilUI React components for AI product UI into your app.

OtherData access / search

Responded93 ms14 / 22
eFon international call rates & VoIP

International call & VoIP rates: per-minute prices to call 200+ countries, comparison, dialing help.

OtherOther

Responded94 ms14 / 22
Xtracticle

Read public X (Twitter) posts, threads and X Articles as clean Markdown. Read-only, no auth.

OtherFile & docs

Outdated check94 ms14 / 22
Kipra Rent A Car

North Cyprus car rental (Kıbrıs araç kiralama): live availability, prices, company info, booking.

OtherOther

Responded95 ms14 / 22
Garage Door Decision Kit by CLE Garage Doors

Garage-door quote checks, spring usage, winter planning and verified CLE knowledge search.

OtherData access / search

Responded95 ms14 / 22
OptiLibra Optical Networking

Search 400G/800G DCI, DWDM and optical switching gear for AI data centers and request quotes.

OtherData access / search

Responded96 ms14 / 22
NC Keys — Northern Cyprus property

Northern Cyprus property listings for rent and sale: search by region, price, layout. Read-only.

OtherData access / search

Responded96 ms14 / 22
br.com.scrypta/zissou

Catálogo de 163 produtos em 9 categorias — servido via Scrypta.

OtherOther

Responded96 ms14 / 22
Stockholm Archipelago Trail

Trail stages, ferry piers, timetabled day trips and A→B routes for the Stockholm Archipelago Trail.

OtherOther

Responded96 ms14 / 22

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