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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5233 servers

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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
縦綱 Tatezuna — o-sumo

Grand Sumo (大相撲) banzuke, torikumi results, and rikishi profiles from osada.us. Read-only, no auth.

OtherOther

Outdated check222 ms14 / 22
Kartvelians.com guides

Newcomer guides for Georgian speakers in the US: short summaries and links to kartvelians.com.

OtherOther

Responded224 ms14 / 22
Belief Poll

Ask one question and get the share of people on X and Reddit who hold each answer, tied to posts.

OtherOther

Responded235 ms14 / 22
Market Indicators

Calculate SMA, EMA, RSI, MACD, Bollinger Bands, ATR, stochastic and VWAP over a price series.

OtherOther

Responded239 ms14 / 22
Simulateurs salaire et freelance (France)

Salaire brut et net, indemnités, chômage, APL, freelance : barèmes français 2026, sans inscription.

OtherOther

Responded244 ms14 / 22
SofiaStage Events

Read-only tools for current SofiaStage events, venues, cities, performers, and editorial.

OtherOther

Responded245 ms14 / 22
CertPacket

Helps a small importer get the US safety certificate for a consumer product ready before it ships.

OtherOther

Responded246 ms14 / 22
BillPeak

Check a business electricity bill against the utility's published rates and find a cheaper plan.

OtherOther

Responded248 ms14 / 22
Tu Vi Chart

Cast a Tu Vi (Zi Wei Dou Shu) birth chart with the lunar date, 12 palaces, stars and cited readings.

OtherOther

Responded255 ms14 / 22
GlobalPiggy

Read-only public content from GlobalPiggy apps: food, produce, billiards, beauty, knowledge.

OtherOther

Responded259 ms14 / 22
Versum

Find local US businesses: what they offer, prices from their own sites, and how to order or book.

OtherOther

Outdated check260 ms14 / 22
House Duck

Read-only public information about House Duck games and its Korean-first development Blog.

OtherOther

Responded264 ms14 / 22
Электроатлас

Electric cars in Russia: rouble prices with sources, winter range, sales, dealers, EV rules.

OtherOther

Outdated check264 ms14 / 22
Startup Name Check

Check whether the domain for a startup, product or business name is already registered.

OtherOther

Responded265 ms14 / 22
App Store Opportunity Tracker

App Store and Google Play charts, movers and weak popular apps scored as app ideas, with no key.

OtherOther

Responded266 ms14 / 22
Lunara Intelligence

EU AI Act and SB 942 obligations for AI systems: each date, the article setting it, signed sources

OtherOther

Responded269 ms14 / 22
Buyer Signals

Companies that may buy, and public posts asking for a service: SEC, job boards, HN, Stack Exchange.

OtherOther

Responded272 ms14 / 22
com.spacemushroom/materials

Read-only sourced engineering materials data: every value with unit, conditions and source.

OtherOther

Outdated check272 ms14 / 22
RoboParts 机器人零部件兼容性

852 humanoid/bionic robot parts, 20 categories, 4-dimension compatibility checking. Vendor-neutral.

OtherOther

Responded275 ms14 / 22
Send Out

Turn assistant output into ready-to-send action links and files, with no sign-in.

OtherOther

Responded275 ms14 / 22
Car Check

Check a US car: decode a VIN, see recalls, crash ratings, owner complaints and fuel economy.

OtherOther

Responded282 ms14 / 22
LP Pool Check

Read a liquidity pool's volume, TVL and fee APR over 1 and 7 days, and spot a short APR spike.

OtherOther

Responded293 ms14 / 22
Outreach Desk

Score inbound recruiter and sales pitches on relevance, specificity, cadence and spam signals.

OtherOther

Responded294 ms14 / 22
Namequota

See how often AI answers name and link your brand, which rivals they name and which sites they cite.

OtherOther

Responded295 ms14 / 22

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