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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5053 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
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
AgentWorkmark

Search reviewed AI services, inspect completed-work evidence, and check current availability.

OtherData access / search

Responded377 ms13 / 22
net.fsaircraft/catalog

Price comparison for Microsoft Flight Simulator add-ons: search, deals, per-store prices, history.

TravelData access / search

Responded380 ms13 / 22
GifSnap by Rowix

Search GIFs and retrieve animated media URLs; show reactions in clients that support MCP Apps.

Developer ToolsData access / search

Responded380 ms13 / 22
THE COOP

Search THE COOP's published iGaming articles, supplier profiles and events with source links.

OtherData access / search

Responded384 ms13 / 22
Copier Parts

Search copier parts catalog and compatibility data.

Developer ToolsCode & DevOps

Responded384 ms13 / 22
Zephior Discovery

Search, follow and read published public tender notices with sources, plus Zephior resources.

OtherData access / search

Responded387 ms13 / 22
Sharebench

Sharebench — search & pull AI skills, agents, prompts & playbooks (SKILL.md) into any MCP client

Developer ToolsData access / search

Responded388 ms13 / 22
Gluo

Free agent tools, no sign-in: browser flows, test inboxes, web extract, site and security scans.

ProductivityCommunication & messaging

Responded390 ms13 / 22
dumaguete.uk places

Dumaguete City places: name, category, coordinates, OSM reference. Nearby search by coordinate.

OtherData access / search

Responded390 ms13 / 22
BGPT - Scientific Paper Search

Search scientific papers with structured experimental data from full-text studies

Developer ToolsCode & DevOps

Responded394 ms13 / 22
MojaLab Content

Read-only access to MojaLab.com blog content: search and read posts, pages and tags as Markdown.

OtherFile & docs

Responded397 ms13 / 22
new.estate

Search real estate listings for sale or rent in many countries, published on new.estate.

Real Estate & PropertyData access / search

Responded399 ms13 / 22
Fate & Stars Tarot Knowledge

78 tarot card meanings, ranked topic search and nine spreads, with source links.

OtherData access / search

Responded399 ms13 / 22
ski-france.com Agent Search

Ski apartment search with one- or two-week prices, availability, destinations and ski passes.

OtherData access / search

Responded402 ms13 / 22
Ridgerunner

Search hunting, fishing, camping and outdoor gear from brands worldwide on Ridgerunner

OtherData access / search

Responded403 ms13 / 22
Play Face to Face

Create instant multiplayer browser-game rooms friends join from a link. No account or app needed.

OtherOther

Responded403 ms13 / 22
Plexa

Agentic directory of real businesses in Mexico & LATAM. Search by vertical and city.

OtherData access / search

Responded409 ms13 / 22
The Texas Voice AI Gateway

MCP gateway for thetexasvoice.com: articles, search and full text. Read-only, no auth.

Developer ToolsData access / search

Responded412 ms13 / 22
ContexteTech

Search and load AI datasets, prompts and few-shot contexts from the ContexteTech catalogue.

Developer ToolsCode & DevOps

Responded415 ms13 / 22
Rankera

Facts about Rankera, the done-for-you AI visibility service: plans, channels and site search.

OtherData access / search

Responded415 ms13 / 22
Raconteur AI Gateway

MCP gateway for raconteur.com: articles, search and full text. Read-only, no auth.

Developer ToolsData access / search

Responded416 ms13 / 22

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