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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7640 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
Timio

Find salons and barbers that book through Timio, see services and free times, get the booking link.

OtherOther

Responded245 ms14 / 22
SofiaStage Events

Read-only tools for current SofiaStage events, venues, cities, performers, and editorial.

OtherOther

Outdated check245 ms14 / 22
Firmenwatch — Swiss Company Register

Search and verify Swiss companies, UID status and register changes with dated official sources.

OtherData access / search

Responded246 ms14 / 22
Macaroon Bible Evidence

Read-only BSB and WEB Scripture evidence with provenance, context, comparison, and search.

OtherData access / search

Outdated check246 ms14 / 22
CertPacket

Helps a small importer get the US safety certificate for a consumer product ready before it ships.

OtherOther

Outdated check246 ms14 / 22
Laborregister Deutschland

Orderable lab tests in Germany by analysis parameter, sample type and provider, with source links.

OtherOther

Responded247 ms14 / 22
TLDix

Track domain, hosting, SSL and licence renewals. Check WHOIS and SSL expiry dates from chat.

OtherOther

Responded248 ms14 / 22
ScentVerdict

Fragrance catalogue with verdicts, similarity scores, scent profiles, drydowns and local prices.

OtherOther

Responded248 ms14 / 22
WhaTools — WhatsApp tools

WhatsApp tools: wa.me links, QR codes, share widgets, phone validation, API rate card & limits.

OtherCommunication & messaging

Responded248 ms14 / 22
BillPeak

Check a business electricity bill against the utility's published rates and find a cheaper plan.

OtherOther

Outdated check248 ms14 / 22
Mitoyens, pesticides près de chez vous

Pesticides par commune en France : eau du robinet, écoles près des champs, achats, carte.

OtherOther

Responded249 ms14 / 22
SmartPerps

Read-only Hyperliquid smart-money positioning: top-trader bias, flows. Not financial advice.

OtherOther

Responded249 ms14 / 22
GEO-bot

Free check whether a website is technically open to AI assistants (AI crawlers, llms.txt, JSON-LD).

OtherBrowser & web scraping

Responded249 ms14 / 22
SmartDoctor MCP by usefulapi

Find open slots, book, move and cancel consultations, and read prices in SmartDoctor.

OtherOther

Responded250 ms14 / 22
Rankli: AI search readiness

Checks if ChatGPT, Claude, Gemini and Perplexity can reach and read a website, with ranked fixes.

OtherAI / LLM tooling

Responded250 ms14 / 22
SigmaJunction

Software engineering firm in Serbia: services, engagement models, articles - and send an inquiry.

OtherOther

Responded252 ms14 / 22
Belgium Salary Calculator

Belgium salary 2026: net pay itemised, gross for a target net, employer cost, vs the Netherlands.

OtherOther

Responded253 ms14 / 22
Ex2 catalogue

Plans, prices and domain names of Ex2, web host from Québec: compare plans, check domains.

OtherOther

Responded253 ms14 / 22
National Digital

Search and read National Digital's website, see pricing and estimate a project.

OtherData access / search

Responded253 ms14 / 22
com.voltcast/voltcast

European day-ahead electricity prices (43 zones), accuracy-published forecasts, carbon, optimize.

OtherOther

Responded253 ms14 / 22
Абразив Эксперт

Абразивы, полировальные пасты и круги, краскопульты: подбор, цены, опт, доставка и заказ.

OtherOther

Responded254 ms14 / 22
Belediye Yazılımları

Belediye yazılımı rehberi: e-belediye, ruhsat ve imar, kent bilgi sistemi, e-devlet entegrasyonu.

OtherOther

Responded254 ms14 / 22
Programación Siemens — Blog y Cursos

Guías en español de PLC Siemens y TIA Portal: busca y lee +330 tutoriales (SCL, LADDER, AWL, HMI).

OtherOther

Responded254 ms14 / 22
Online-Druck.biz (ODB) – Druckprodukte / Print products

Druckprodukte suchen, konfigurieren, bepreisen / Search, configure, price print products

OtherData access / search

Responded255 ms14 / 22

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