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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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
Torque Index

US truck engine reference: VIN lookup, part numbers, failures, recalls, repair costs, service specs.

OtherData access / search

Outdated check229 ms13 / 22
Asyntai

Run your website's AI support agent: knowledge, conversations, leads and live replies.

Marketing & SalesData access / search

Outdated check229 ms13 / 22
KnowNottingHill

Curated places in Notting Hill, London: restaurants, coffee, pubs, parks and shops.

E-commerceData access / search

Outdated check230 ms13 / 22
FareEagle Travel

Flights, hotels, buses and holiday packages in India at live fares, plus visa help; pay on fareeagle

TravelData access / search

Outdated check231 ms13 / 22
com.mydriverparis/booking

Book a private driver in Paris: live quotes, airport transfers, tours, VIP Meet & Greet. No auth.

TravelData access / search

Outdated check232 ms13 / 22
be.co-legal/legal-lookup

Belgian/Dutch legal and fiscal lookups plus Belgian notary preparation. 13 tools.

LegalData access / search

Outdated check232 ms13 / 22
CalcBright Calculators

160+ calculators: take-home pay for 166 countries, mortgage, loan, VAT, BMI, dates, units, currency.

Real Estate & PropertyData access / search

Outdated check232 ms13 / 22
Voice School Lesson Booking

Request online singing lessons with Voice School and Daria Klishina.

TravelData access / search

Outdated check233 ms13 / 22
mcp.tc directory

Search the mcp.tc directory of MCP servers: URLs, install commands, sign-in types, tools, setup.

Developer ToolsData access / search

Outdated check233 ms13 / 22
com.beachvalencia/booking

Beach Valencia holiday apartments (Valencia, Spain): availability, pricing, cancellation policy.

TravelData access / search

Outdated check234 ms13 / 22
FlightPayback

Free check: does an airline owe you cash for a delayed or cancelled flight in Canada?

TravelData access / search

Outdated check234 ms13 / 22
DevDocs10

Search and read tested Swift, JavaScript, CSS and HTML docs from DevDocs10.

OtherData access / search

Outdated check234 ms13 / 22
QRCodeKIT

Branded short links, instant page & file hosting, and dynamic QR codes with unified analytics.

Data & AnalyticsData access / search

Outdated check235 ms13 / 22
LivinIsto

Flats, houses and plots for sale or rent in Slovakia: search, price verdicts and prices per m².

Real Estate & PropertyData access / search

Outdated check236 ms13 / 22
AppPage.net - app websites & store data

App websites with privacy pages and app-ads.txt, plus Google Play & App Store app data.

Marketing & SalesData access / search

Outdated check236 ms13 / 22
HalalTrip

Prayer times, Qibla, Islamic dates, halal restaurants, mosques and in-flight prayer, from HalalTrip

TravelData access / search

Outdated check236 ms13 / 22
Dipper

Web search and page fetch for AI agents. Results come from a shared cache; cached calls cost less.

Developer ToolsData access / search

Outdated check236 ms13 / 22
Newcollab UGC Creator Search

Find vetted UGC creators by niche, platform and country for gifting, PR boxes and TikTok ads.

Marketing & SalesData access / search

Outdated check236 ms13 / 22
agency.goji/goji

Answers on AEO, SEO, web and brand from GOJI's published material. Melbourne, Australia.

Marketing & SalesData access / search

Outdated check236 ms13 / 22
VettedHome property guides

Search VettedHome's UK guides to property problems and home energy decisions. Read-only.

OtherData access / search

Outdated check237 ms13 / 22
Market Intelligence API (core)

Compact 18-tool x402 market data server: token safety, Fed odds, DeFi yields, swap quotes, decisions

Finance & CryptoData access / search

Outdated check237 ms13 / 22
Pionra

Guides, housing, jobs, events and communities for foreigners living in France, in 6 languages.

Real Estate & PropertyData access / search

Outdated check239 ms13 / 22
EffectHub

Search and compare 3,000+ checked AI tools: pricing, liveness, Effect and Trust scores.

OtherData access / search

Outdated check239 ms13 / 22
AutoIsto

Used cars for sale in Slovakia: plain-language search, price verdicts and typical asking prices.

OtherData access / search

Outdated check240 ms13 / 22

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