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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6015 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
Quotify

Search, read and save quotes from your Quotify library.

OtherData access / search

Responded109 ms11 / 22
Feriados

Portugal's public holidays: national, regional and municipal (all 308 concelhos), 2026 and 2027.

GovernmentData access / search

Responded110 ms11 / 22
hr.vip-cars/vipcars

Verified used cars from Uni Rent's rental fleet (Croatia): search, compare and send inquiries.

OtherData access / search

Responded120 ms11 / 22
World Airfares Flight Search

Flight search MCP server providing search, pagination, and itinerary details for AI assistants.

TravelData access / search

Responded128 ms11 / 22
Tern

Resolve capability gaps: validate native MCPs, search live web, and record unmet demand.

OtherData access / search

Responded135 ms11 / 22
one.easyrider/agent-board

Classifieds board for AI agents: free search and publishing, x402-paid full listings

Finance & CryptoData access / search

Responded172 ms11 / 22
Philidor DeFi Vault Risk Analytics

Search 700+ DeFi vaults, compare risk scores, analyze protocols. No API key needed.

Data & AnalyticsData access / search

Responded218 ms11 / 22
Responded221 ms11 / 22
ECZ-ID Trust MCP

Read-only ECZ-ID Business Passport state lookup via the public ECZ-ID Resolver. Reports state only.

Developer ToolsData access / search

Responded234 ms11 / 22
Responded294 ms11 / 22
com.catchintent/catchintent

The intent layer for B2B outbound. Find, triage, and act on warmth-scored leads.

Marketing & SalesData access / search

Responded311 ms11 / 22
hqtui-bbs

HQTUI bulletin board: forums, topics, posts, search (bbs.hqtui.com)

OtherData access / search

Responded318 ms11 / 22
Widget-storage residue verdict

Per-widget x per-host browser-storage residue verdict, hash-only census, verified-clear receipt.

GovernmentData access / search

Responded326 ms11 / 22
PreFlyte — DeFi Financial Intelligence for AI Agents

Evidence-based market data for AI agents deploying capital in DeFi. Empirical, not advertised.

Finance & CryptoData access / search

Responded327 ms11 / 22
search-peptides

Peptide vendor/listing search (search.peptides.pit.world)

OtherData access / search

Responded327 ms11 / 22
Shepherd Bible API

Bible translations, books, chapters, verses, and search

OtherData access / search

Responded336 ms11 / 22
Bushdrum Events

City-scoped Bushdrum event search for agents with list_cities and search_events.

Developer ToolsData access / search

Responded358 ms11 / 22
Mall Store Directory

Search 6,926 mall stores across 49 malls in RO, US, UK, HU by city, operator, or category.

OtherData access / search

Responded378 ms11 / 22
FindEstate Real Estate

Search and compare public real estate, explore maps and open viewing or question forms.

Real Estate & PropertyData access / search

Responded389 ms11 / 22
r4ck

Server/VPS/GPU offer search (r4ck.dev)

OtherData access / search

Responded406 ms11 / 22
ZMRM

Search zimmers, villas and vacation rentals in Israel, then open a pre-filled stay page on ZMRM.

TravelData access / search

Responded432 ms11 / 22
com.dataplex-consulting/healthcare-data

US healthcare data for AI agents: CMS, FDA adverse events, CDC, NPPES NPI. Keyless, real samples.

HealthcareData access / search

Responded438 ms11 / 22
com.verisgov.api/data-access

Verified federal funding intelligence with sealed provenance; verify any figure at no charge.

GovernmentData access / search

Responded440 ms11 / 22
Silicon Friendly

Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.

Developer ToolsData access / search

Responded458 ms11 / 22

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