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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5075 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
Rolling Edition

Search, read and cite technical books whose code examples run on each edition's pinned versions.

OtherData access / search

Responded625 ms12 / 22
com.jojapi/ahrefs

Ahrefs: Ahrefs API: SEO powerhouse featuring keyword research, backlink analysis, and SERP tracking.

Marketing & SalesBrowser & web scraping

Responded626 ms12 / 22
Herbert & Phyllis Kosher Gifts

Search and order kosher food gifts, shiva baskets and trees planted in Israel.

OtherData access / search

Responded635 ms12 / 22
NextJobz Job Search

Search jobs on NextJobz by keyword, location, work type, salary, and experience level.

Developer ToolsCode & DevOps

Responded641 ms12 / 22
QFactory

Read-only QFactory catalog of agent workflows: search, get exact versions, schema, validate YAML.

Developer ToolsCode & DevOps

Responded643 ms12 / 22
Wanbao House

Search public everyday requests and read platform and request-publishing guides. Read-only.

OtherData access / search

Responded646 ms12 / 22
Elron Club Public Rentals

Search rentals, manage Requests and viewings, get availability updates and contact elron club.

OtherData access / search

Responded648 ms12 / 22
RealEVR Estates

Search real homes in Africa (rent, BnB, sale, bank sales) with 360° virtual tours.

Finance & CryptoData access / search

Responded660 ms12 / 22
Brek — Book Direct

Search Airbnb vacation rentals and find direct booking options for the same homes.

TravelCode & DevOps

Responded665 ms12 / 22
3ammiya — Egyptian Arabic Slang Dictionary

Community-driven Egyptian Arabic slang dictionary with Arabic and Franco-Arabic search and lookup.

Developer ToolsData access / search

Responded665 ms12 / 22
Evergences — Memos, Content and Shared Memory

Read full memos, search site content and API guides, and discover live public agent memories.

Developer ToolsCode & DevOps

Responded681 ms12 / 22
ByJG Open Source Docs

Search the ByJG open source documentation: PHP, DevOps, Helm, JavaScript and AI projects.

Developer ToolsFile & docs

Responded688 ms12 / 22
prxhub

Search, cite, download, and publish .prx research bundles on prxhub.com.

Developer ToolsCode & DevOps

Responded688 ms12 / 22
Tenmomo

Cashback catalogue of 2,700+ US retailers: store search, rates, deals, tracked activation.

OtherData access / search

Responded692 ms12 / 22
io.github.datmay-dot/streambridge

Search Chinese TV drama scenes with second-level timestamps by character, emotion, or scene type.

Developer ToolsCode & DevOps

Responded696 ms12 / 22
ScrapeSelect

Current pricing, cost estimates and recommendations for web scraping APIs, with official sources.

OtherBrowser & web scraping

Responded696 ms12 / 22
sk.sos-battery/booking

AI battery search & first AI-agent booking for car battery replacement (EU/SK). By benben.sk.

Developer ToolsData access / search

Responded711 ms12 / 22
Motor Row — used cars for sale in Indianapolis

Search used cars for sale from Indianapolis dealers: search_cars, get_car, site_info. No auth.

OtherData access / search

Responded742 ms12 / 22
Official Translator Public Guides

Read-only search and retrieval for Official Translator's published guides.

Developer ToolsCode & DevOps

Responded745 ms12 / 22
World Innovation

Search, cite and verify research papers on World Innovation, timestamped on Soneium.

Developer ToolsCode & DevOps

Responded750 ms12 / 22
Spill Wineries

Search 20,000+ wineries worldwide by region, amenities, hours, tasting fees and bookings.

OtherData access / search

Responded778 ms12 / 22
WIA Music catalog

Search the WIA Music catalog of original K-pop, K-trot and K-ballad songs: details, key, BPM.

MediaData access / search

Responded778 ms12 / 22
WIA Wisdom

Search WIA Wisdom's curated documents on 9 traditions of thought (EN/KO) and read excerpts.

OtherFile & docs

Responded787 ms12 / 22
Instagram Agent by Nova (CIVAI)

I use your Instagram Web browser session (Integrations → Instagram Web) via instagrapi, not Meta /…

Developer ToolsCode & DevOps

Responded788 ms12 / 22

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