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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5364 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
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
Persnickety Try-On Index

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

OtherOther

Responded517 ms13 / 22
AEO Visibility

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

OtherOther

Outdated check517 ms13 / 22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
Sarmad Academy, Products and Guides

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

OtherOther

Responded519 ms13 / 22
Instilus small-business decision tools

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

OtherOther

Outdated check519 ms13 / 22
Western Sky Heating, Cooling & Plumbing (Indiana)

Book HVAC and plumbing service with Western Sky in Fishers and the Indianapolis area.

OtherOther

Responded523 ms13 / 22
ScanLabsAI Security Scanner

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

OtherOther

Responded523 ms13 / 22
Namaste America

Agent-first directory for Indians from India in the USA — restaurants, temples, events & more.

OtherOther

Responded523 ms13 / 22
Able.Style

Manage your wardrobe or closet, discover ways to wear your clothes, and get outfit suggestions.

OtherOther

Responded525 ms13 / 22
Teollimi

Data breaches in Korea, Japan, the US and beyond with sources, open settlements and what to do.

OtherOther

Outdated check525 ms13 / 22
fovub

Projects the vote share between two people for one local elected seat before anyone declares.

OtherOther

Outdated check525 ms13 / 22
Personalized Gifts Delivered

Quote logo mug gift boxes, check a logo and save a draft order that the buyer pays for on our site.

OtherOther

Responded531 ms13 / 22
sh.rentadomain/rentadomain

Rent a domain name by the month: find it, price it, read the lease terms. You approve the rent.

OtherOther

Outdated check531 ms13 / 22
Fromerica U.S. Trade Data

Find U.S. manufacturers by product, plus U.S. tariffs (HTS), export data and party screening.

OtherOther

Responded532 ms13 / 22
SlotMaps

Advantage-play guides for 360+ casino slot machines: what to look for and when one is worth playing.

OtherOther

Responded533 ms13 / 22

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