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

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7741 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
MoneyDeals – US Tech Deals

Verified US consumer-tech deals, coupons and 90-day price history. Free, read-only, no API key.

OtherOther

Responded459 ms13 / 22
SPXI-gnΩsis

Opens Wikipedia sentences against their cited sources; builds sourced knowledge objects into /non.

OtherKnowledge & memory

Responded460 ms13 / 22
com.saymetry/saymetry

Measure what ChatGPT, Claude, Gemini and 4 more AI engines say about any business. No auth.

OtherAI / LLM tooling

Responded460 ms13 / 22
Launchdog (read-only)

Read-only Launchdog board: search this week's launches, past winners and upcoming launch weeks.

OtherData access / search

Responded460 ms13 / 22
Soren

Game prices across Steam, Epic, GOG and Microsoft, with real price history and giveaways.

OtherOther

Responded460 ms13 / 22
GoCDKeys

Game prices across verified stores, with price history and a buy-now-or-wait verdict.

OtherOther

Responded463 ms13 / 22
Adrenaline List

Search published adrenaline adventures worldwide by destination, category, rating and season.

OtherData access / search

Responded463 ms13 / 22
com.jojapi/linkedin

LinkedIn: The LinkedIn Data API offers access to detailed information on individuals, companies.

OtherOther

Responded464 ms13 / 22
Afromorphism

Read-only access to S. Araba Lawson's Afromorphism essays, glossary, books, and site.

OtherOther

Responded465 ms13 / 22
Sigistry Plugin Catalog (formerly Claude Registry)

Renamed: prefer com.sigistry/plugin-catalog. This legacy endpoint keeps working.

OtherAI / LLM tooling

Responded466 ms13 / 22
com.kratons/public

Kratons, boutique DMC: bespoke trips in Spain, Portugal, Morocco. Facts, catalog, reviews, requests.

OtherOther

Responded467 ms13 / 22
Woodpecker: NYC HPD registration lookup

NYC building HPD registration status, open filing violations and Woodpecker's yearly price.

OtherData access / search

Responded468 ms13 / 22
Prime Cuts Nursery

Live cannabis clone inventory, seasonal pricing, CA delivery quotes, cultivar genetics. Read-only.

OtherOther

Responded468 ms13 / 22
rolefig

Search real job openings, check job posts and pay rules, and prepare California offer letters.

OtherData access / search

Responded469 ms13 / 22
TrueTravelCost

Estimate what a car trip really costs: fuel, servicing, tyres, tolls and ownership. Best in Europe.

OtherOther

Responded471 ms13 / 22
Jason Lovell

Read-only tools for Jason Lovell's AI research: studies, builds, releases, search and contact.

OtherData access / search

Responded471 ms13 / 22
Feminiq Rides: Amsterdam chauffeur (female driver)

Book Amsterdam chauffeur rides, female driver option: Schiphol transfers, custom rides, tours.

OtherOther

Responded473 ms13 / 22
Faxette

Send a fax to the US, Canada, Mexico and Europe from a chat. The person pays per fax on Faxette.

OtherOther

Responded474 ms13 / 22
SuVerse

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

OtherOther

Responded474 ms13 / 22
CertifiKit COI tools

Certificate of insurance tools: build subcontractor insurance requirements, check an ACORD 25.

OtherOther

Responded474 ms13 / 22
WildAlmonds Wine Weekend

Winery events, weekend guides and wine catalogs for Washington wine regions.

OtherOther

Responded479 ms13 / 22
ASL Policy Lens

Answers on Colorado corrections, jail and state agency policy, quoting the public documents used.

OtherFile & docs

Responded479 ms13 / 22
Own Your AI

AI tools that run on your own machine: what each does, installs like, and costs.

OtherOther

Responded479 ms13 / 22
Kulhad

Run a UPI creator support page from chat: supporters, goals, page, share assets. No money moves.

OtherOther

Responded480 ms13 / 22

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