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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7741 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
Neptune Cigars

Premium cigar search, community ratings, live availability and US state shipping rules.

OtherData access / search

Responded496 ms13 / 22
HortOS (Canada)

Search Canadian wholesale plant growers' live availability and price a whole plant list. Read-only.

OtherData access / search

Responded496 ms13 / 22
Floatout

Launch a branded Hyperliquid perps and prediction market DEX. Read plans, guides and fee research.

OtherOther

Responded497 ms13 / 22
Pluto Garden

Accurate birth charts from NASA data, today's moon and retrogrades, and sourced celebrity charts.

OtherOther

Responded498 ms13 / 22
Mass Home Comfort

Find local home-improvement contractors in any Massachusetts town and request estimate visits.

OtherOther

Responded500 ms13 / 22
OrtakListe

Shared lists with no sign-up: ready-made lists and recipes, and pre-filled links to share.

OtherOther

Responded500 ms13 / 22
droid.monster — specs

Specs of commercially available robots, each figure citing its source document.

OtherFile & docs

Responded501 ms13 / 22
Uau · Essa é Minha

Camiseta personalizada a partir de 1 peça: catálogo, preço com frete e compra via Mercado Pago.

OtherOther

Responded501 ms13 / 22
NativeExpress

Scope a mobile app to a first version, start from a free Expo template, and pass store review.

OtherOther

Responded502 ms13 / 22
com.birkinbagstock/mcp

Read-only Hermes resale research: listings, asking prices, reports, auctions and directories.

OtherOther

Responded503 ms13 / 22
ai.structupath/steel-tools

Steel takeoff, weight and gauge calculators plus RFQ, RFI, NCR and Bluebeam markup generators.

OtherOther

Responded503 ms13 / 22
Usta-Bul

Türkiye'de usta ve firma bulma: kategori, il ve ilçeye göre arama, profil, puan ve yorumlar.

OtherOther

Responded504 ms13 / 22
BeachFinder RV Companion Library

Find 13 free campervan/RV worksheets, plan trip records, and view companion-book information.

OtherOther

Responded504 ms13 / 22
CityWalk Plan

Free city-walk planner: day-by-day self-guided walking itineraries for 50+ cities. No sign-up.

OtherOther

Responded506 ms13 / 22
Mes Frais de Notaire

Frais de notaire en France : DMTO par département, émoluments réglementés, CSI et débours.

OtherOther

Responded509 ms13 / 22
MadBroad Media

Street interview ad agency. Learn about MadBroad, book an intro call, browse jobs, and apply.

OtherOther

Responded509 ms13 / 22
Sunset Strip: GTA 6

GTA 6 unlock times by country, launch facts, Leonida map regions and top clips.

OtherOther

Responded509 ms13 / 22
AEO Visibility

Check whether AI answer engines cite your site, and for which prompts. Uses your own Perplexity key.

OtherOther

Responded513 ms13 / 22
TofuBofu AI Visibility

Free AI visibility scan for any B2B company: see how often AI engines recommend it, plus the fixes.

OtherOther

Responded513 ms13 / 22
Persnickety Try-On Index

Find source-checked US boutiques with plus-size bridal samples physically available to try on.

OtherOther

Responded517 ms13 / 22
UGC VZ Creator Search

Find real UGC creators in the DACH region: profiles, pricing, reach, outreach. No API key.

OtherData access / search

Responded518 ms13 / 22
Council of AI GSPC (free)

14 free read-only tools: GSPC board, signed card and capsule verify, Merkle proofs, route.

OtherOther

Responded518 ms13 / 22
Instilus small-business decision tools

Valuation, EBITDA, break-even, margin, rates, acquisition, competitor research, store audit.

OtherOther

Responded519 ms13 / 22
Sarmad Academy, Products and Guides

Read-only Persian courses, EEG/QEEG guides, articles and live product prices with source links.

OtherOther

Responded519 ms13 / 22

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