MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

5788 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
Superintelligence.jobs

AI & frontier-lab job market: search roles, browse labs, track new postings since last check.

OtherData access / search

Outdated check1690 ms14 / 22
한국일보 뉴스 (Hankookilbo)

Hankookilbo (Korean daily) news metadata: titles, dates, sections, bylines, links, and excerpts.

MediaData access / search

Responded1833 ms14 / 22
Federal Register

Federal Register proposed and final rules, notices, executive orders, and FAR cases. 8 tools.

GovernmentData access / search

Responded1905 ms14 / 22
Cashew

Live Singapore mortgage rates, package recommendations and home-loan calculators.

Real Estate & PropertyData access / search

Outdated check1923 ms14 / 22
MCP Junction

Search a nightly-refreshed directory of MCP servers by keyword, category or topic.

Developer ToolsData access / search

Responded2090 ms14 / 22
SplashScout — family water holidays

Family water-holiday hotels & campsites, scored for toddlers, kids and teens.

TravelData access / search

Outdated check2916 ms14 / 22
SigRank — AI Operator Benchmarking

SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics.

Data & AnalyticsData access / search

Responded3052 ms14 / 22
WikiOO Art Encyclopedia

Free art encyclopedia: 640,000 artworks, 52,000 artists, 5,400 museums, movements, biographies.

OtherData access / search

Outdated check3564 ms14 / 22
Charter Boats

Search 14,000+ charter boats with live prices, plus marinas, anchorages, routes and itineraries.

OtherData access / search

Responded6137 ms14 / 22
Event Escapes

Search event travel: F1, MotoGP, soccer, NFL, tennis, concerts. Tickets + hotels + experiences.

TravelData access / search

Responded9938 ms14 / 22
Immobilien Eichmann – Angebote

Live MCP for Immobilien Eichmann listings (Konstanz). Tools: search_listings, get_listing.

Developer ToolsData access / search

Responded96 ms14 / 22
Guam Code

Guam Code Annotated (GCA) — section lookup and search. Fleet #2888.

Developer ToolsData access / search

Responded109 ms14 / 22
I Ching

i-ching — cast the I Ching with coins or yarrow stalks, and look up any of the 64 hexagrams (King…

Developer ToolsData access / search

Responded111 ms14 / 22
Hyperliquid

Hyperliquid MCP — read-only market data from Hyperliquid's public info API.

Finance & CryptoData access / search

Responded112 ms14 / 22
Gwas Catalog

GWAS Catalog (EBI/NHGRI) MCP — curated catalog of genome-wide association studies. Look up a SNP…

Developer ToolsData access / search

Responded119 ms14 / 22
RigBase

Measured local-LLM tok/s on home AI rigs. Search builds, can-it-run, best GPU; sourced + linked.

Developer ToolsData access / search

Responded182 ms14 / 22
clariBI

AI business intelligence: sign up, ingest data, run analyses, generate reports from any MCP client.

Data & AnalyticsData access / search

Responded251 ms14 / 22
Niche: Your niche, followed for you

Read niche briefings, research news, and explore sourced story angles with your assistant.

MediaData access / search

Responded467 ms14 / 22
American Samoa Code

American Samoa Code Annotated (A.S.C.A.) — section lookup by citation and topic/keyword search…

Developer ToolsData access / search

Responded6114 ms14 / 22
Alphavantage

Alpha Vantage MCP — Stock market data, fundamentals, and earnings

Finance & CryptoData access / search

Responded6114 ms14 / 22
Alpaca

Alpaca MCP — real-time US stock market data via the Alpaca Market Data API (data.alpaca.markets…

Finance & CryptoData access / search

Responded6127 ms14 / 22
Finra Fixed Income

FINRA Fixed Income aggregate market data (fleet #530).

Finance & CryptoData access / search

Responded6134 ms14 / 22
Ares Cz

Czech business register (ARES) — look up any Czech company or sole trader by IČO or by name, and…

Developer ToolsData access / search

Responded6140 ms14 / 22
Domains

Domains MCP — domain registration lookup + availability search over live RDAP (ICANN standard…

Developer ToolsData access / search

Responded6261 ms14 / 22

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