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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5043 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
OpenQFR

Search machine-readable quantitative strategy failure evidence before repeating failed research.

Developer ToolsCode & DevOps

Outdated check333 ms13 / 22
Diana Rafael Jewelry Store

Search and shop Diana Rafael natural black diamond fine jewelry: catalog, products, cart, checkout.

E-commercePayments & trading

Responded334 ms13 / 22
com.sourcerdesk/sourcers-desk

Recruiter-grade boolean/x-ray search strings from a 20-year sourcing playbook.

OtherData access / search

Responded335 ms13 / 22
Houses With Land

Search UK houses with land and manage your private saved-homes board.

Developer ToolsCode & DevOps

Responded336 ms13 / 22
Bronjoy Marketplace

Search and book appointments at service businesses across Uzbekistan.

OtherData access / search

Responded336 ms13 / 22
EnCirca Domains

Search, Register , Renew , Transfer and Manage domains

OtherData access / search

Responded337 ms13 / 22
com.jojapi/duckduckgo

DuckDuckGo: The DuckDuckGo Search API is a tool that allows developers and businesses to integrate.

OtherData access / search

Responded338 ms13 / 22
ai.skillsinput/mcp

AI-powered career tools: job search, skills intelligence, career roadmaps, and resume building.

ProductivityData access / search

Responded338 ms13 / 22
FutureSmart AI Demos

Search evidence-backed AI-tool reviews, rankings, use cases, comparisons & toolkits (read-only).

OtherData access / search

Responded338 ms13 / 22
com.dataart/case-studies

Search DataArt case studies by technology, industry, service, or keyword.

OtherData access / search

Responded341 ms13 / 22
CorpusFetch

O(1) routing, semantic search, and quality-filtered demand-driven experiences over 800+ records.

OtherData access / search

Responded341 ms13 / 22
ProtoClinical Commerce

Search ProtoClinical's current K-beauty catalog and manage buyer-approved carts and checkouts.

Finance & CryptoPayments & trading

Responded343 ms13 / 22
Birch & Bracken

Knitwear and layers: search the catalogue, sizes and size charts, delivery, policies, order status.

OtherData access / search

Responded346 ms13 / 22
Stampa e Stampe

Italian online print shop: search the catalog, read product options, get exact configuration prices.

E-commerceData access / search

Responded355 ms13 / 22
VICATOO

Hotel search in Arabic or English with live rates and real room videos. Book on vicatoo.com.

TravelData access / search

Responded355 ms13 / 22
tealmac UI

Search shadcn registry items, read props and get exact install commands for React components.

OtherData access / search

Outdated check355 ms13 / 22
com.iberiapath/dnv-spain

Spain Digital Nomad Visa: eligibility check by UGE rules, sworn translators search, visa facts.

OtherData access / search

Responded358 ms13 / 22
The Quant Space Research Corpus

Scored quant-finance paper corpus. Free search tools plus x402 pay-per-call premium tools.

Finance & CryptoData access / search

Responded364 ms13 / 22
YomaChichi Gift Shop

Search and buy YomaChichi gifts: Gloofwiggle mugs, hug pillows, portrait gift cards, with checkout.

Finance & CryptoPayments & trading

Responded365 ms13 / 22
Stack Gems

Read-only search of 900+ reviewed developer tools, each with a verdict and caveats. Free/OSS first.

OtherData access / search

Responded365 ms13 / 22
Webmotors

Vehicle search on Webmotors, Brazil's largest automotive marketplace. Search listings by make/model,

Developer ToolsCode & DevOps

Outdated check366 ms13 / 22
AstroWay API Docs

AstroWay API documentation search and endpoint lookup with credit prices. No API key needed.

OtherData access / search

Responded368 ms13 / 22
Mammoth Docs

Search and read the Mammoth Analytics docs. Tools: search_docs, get_doc, list_docs.

Data & AnalyticsData access / search

Responded373 ms13 / 22
Gloria AI

Real-time curated crypto news for AI agents with sentiment, recaps, and search.

Finance & CryptoCode & DevOps

Responded375 ms13 / 22

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