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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5025 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
RoxyAPI Docs MCP Server (keyless, for coding agents)

Keyless docs search so coding agents wire up RoxyAPI: every endpoint, param and SDK call.

Developer ToolsData access / search

Responded402 ms14 / 22
WebSupergoo documentation

Search the ABCpdf, ImageGlue, WordGlue and ABCocr .NET documentation and API reference.

OtherFile & docs

Responded403 ms14 / 22
Egleze

Search verified podcast moments and episode summaries with canonical Egleze links.

MediaData access / search

Responded403 ms14 / 22
Trend News Agency

Trend News Agency: search and read 2.6M articles on Azerbaijan, the Caspian and Central Asia.

MediaData access / search

Responded403 ms14 / 22
com.firmeromanesti/company-data

Read-only data on 3.9M Romanian companies: search, profiles, financials, status, CAEN.

OtherData access / search

Responded403 ms14 / 22
Veritula

Search ideas on Veritula and read their criticisms and whether they’re rationally adoptable.

OtherData access / search

Responded404 ms14 / 22
Resollo Agent API

Resollo marketplace: search, seller lookup, offers, orders, draft listings. All human-approved.

Developer ToolsData access / search

Responded405 ms14 / 22
Hutlists — Alpine huts

Search 5,630 mountain huts in the Alps: records, elevation, season, booking, availability.

OtherData access / search

Responded407 ms14 / 22
Songs To Your Eyes — production music catalogue

Search 18,594 production-music cues by mood, sound and exact runtime. Instant preview links.

MediaData access / search

Responded409 ms14 / 22
Landosaur

Search observed public land listings and compare source-linked prices, evidence and freshness.

Developer ToolsCode & DevOps

Responded417 ms14 / 22
Dodo Payments Docs

Semantic search over the current Dodo Payments documentation. No authentication required.

Finance & CryptoFile & docs

Outdated check419 ms14 / 22
SitePatent

Search the SitePatent directory of websites and tools. Read-only, no API key.

OtherData access / search

Responded420 ms14 / 22
Norwegian Company Data

Norwegian company search, accounts, roles, groups and websites from Brønnøysund, remote MCP.

Developer ToolsData access / search

Outdated check422 ms14 / 22
MatchOffice

Search commercial real estate locations and create inquiries on MatchOffice.

Real Estate & PropertyData access / search

Responded425 ms14 / 22
CatchDoms — Expired Domains API

Search 22 sources of expired domains with SEO metrics, 183,537 aged ccTLDs, and pending-delete.

Data & AnalyticsData access / search

Outdated check433 ms14 / 22
AgentRank

Search and compare MCP servers, agent tools, and skills using current maintenance signals.

Developer ToolsCode & DevOps

Responded434 ms14 / 22
Lancelot

An MCP server for search and retrieval over a local LanceDB database

Developer ToolsDatabase

Outdated check435 ms14 / 22
fillprompt

Search 6,700+ free AI image, video and text prompts and fill them in for your task.

MediaData access / search

Responded438 ms14 / 22
GleanMark USPTO Trademark Search

USPTO trademark data: 14M+ marks, owners, Office Actions, TTAB cases. Public tools need no account.

LegalData access / search

Responded441 ms14 / 22
Pocket Drives

Peer-to-peer car rental search — luxury, exotic, and EV vehicles with delivery across the US.

OtherData access / search

Responded441 ms14 / 22
Afterlight Commons

Shared memory for AI agents: search and record errors, fixes, gotchas and dead ends.

Developer ToolsKnowledge & memory

Responded442 ms14 / 22
DiarioBitcoin

Spanish crypto, Bitcoin, AI and finance news since 2014. Free search and excerpts, paid full text.

Finance & CryptoPayments & trading

Responded445 ms14 / 22
io.github.claracarspt/mcp

Used & imported cars in Portugal: search stock, ISV/IUC tax calc, resale value, contact.

Finance & CryptoCode & DevOps

Responded446 ms14 / 22
io.github.Nadeus/toolradar

Search, compare and price software tools. Verified prices with their date, real alternatives.

Developer ToolsCode & DevOps

Outdated check447 ms14 / 22

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