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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5057 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
Florida Home Search by U.S. Prime Realty

Search Florida properties and new construction for sale with U.S. Prime Realty.

Real Estate & PropertyData access / search

Responded495 ms13 / 22
Finally Offline

Human culture news, trends and search across sports, music, fashion and streetwear.

MediaData access / search

Responded495 ms13 / 22
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
Partle

Search products in nearby stores. Agents can also list items for sale on a user's behalf.

Developer ToolsData access / search

Responded498 ms13 / 22
ASL Doctor Search

Find US healthcare providers by name, specialty, location or NPI from the CMS NPPES registry.

HealthcareData access / search

Responded498 ms13 / 22
CyberJobs.cc

Search open cybersecurity jobs (SOC, AppSec, cloud, IAM, pentest, GRC) with posted pay, read hourly.

SecurityData access / search

Responded500 ms13 / 22
NTNU Courses (unofficial)

Unofficial NTNU course data: search, timetables, grades, course info, and exam logistics.

Developer ToolsCode & DevOps

Outdated check501 ms13 / 22
Pulga

Read-only search of Québec's bilingual classifieds: ads, categories, filters, places.

Marketing & SalesData access / search

Responded502 ms13 / 22
Artsdata

Search Artsdata for authoritative data on Canadian events, artists, organizations, and places.

Developer ToolsData access / search

Responded505 ms13 / 22
BeingSo Animated Cards

Search, personalize, publish, share, and email animated greeting cards from BeingSo.

ProductivityCommunication & messaging

Responded506 ms13 / 22
Ginbing

Search China trademark goods and services and prepare your Ginbing trademark application draft.

LegalData access / search

Responded509 ms13 / 22
io.github.sangha-lightanchor/shop-search

Product search for AI agents: Amazon + Shopify, cart-to-checkout buy path. Pay-per-call, no API key.

E-commercePayments & trading

Responded511 ms13 / 22
PPC Ad Editor

Preview Google Search, PMax, Display, YouTube, Meta and LinkedIn ad mockups in chat. No sign-in.

MediaData access / search

Responded515 ms13 / 22
twitr.sh

X/Twitter reads, search, monitors and posting. Pay-per-call in USDC — no signup, no API keys.

Finance & CryptoData access / search

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
Hadacart KR/US product search and purchase links

Search KR/US products, dated options and unit prices; original merchant affiliate purchase links.

Marketing & SalesData access / search

Responded521 ms13 / 22
Locate Jobs Network Job Search

Search live U.S. jobs and unemployment benefits for 13 states, by role or place. No sign-in.

OtherData access / search

Responded523 ms13 / 22
Onhand

Free local shop search, no sign-in: addresses, hours, contacts and source-labelled offering details.

E-commerceData access / search

Responded523 ms13 / 22
MarketCheck API Docs

MarketCheck API docs for coding assistants: search, endpoint reference, plans. Free, no auth.

Developer ToolsData access / search

Responded524 ms13 / 22
com.myprivacyagent/public

Read-only opt-out guides, removal routes for 950+ data brokers, and privacy library search.

OtherData access / search

Responded525 ms13 / 22
OilPicker

Korean local-currency (지역화폐) discounts: fuel rates, effective prices, merchant search, deep links.

Finance & CryptoData access / search

Responded526 ms13 / 22
LC Mods

Search 140k+ GTA mods (SA, VC, III, IV, V) and install them with the free LC Mod Installer.

OtherData access / search

Responded529 ms13 / 22
com.arcat/arcat

Search building products & manufacturers for AI agents: CAD, BIM, specs by CSI from arcat.com

Developer ToolsData access / search

Responded530 ms13 / 22

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