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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5071 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
Google Search MCP

Fast Google web search: organic results and related questions, no ads.

Marketing & SalesData access / search

Responded55 ms12 / 22
com.datronis/mcp

Search and apply to real jobs, browse companies, and read tech news via Datronis's live data.

MediaData access / search

Responded58 ms12 / 22
DecaData Odyssey Lite

US point-of-sale sales for ~380 consumer companies: free search and samples, YoY growth for $0.01

OtherData access / search

Responded59 ms12 / 22
AcreScout

Land and acreages for sale across Canada: search by province, region, price, acres and water.

OtherData access / search

Responded59 ms12 / 22
Czartery MCP

Polish charter flight search across Rainbow, Itaka and TUI operators, prices in PLN.

TravelData access / search

Responded62 ms12 / 22
Spritefetch

Search and download free CC0 2D sprite sheets and tilesets for games.

OtherData access / search

Responded64 ms12 / 22
Kayak MCP

Builds a Kayak.com flight-search deep link for a route and dates — URL only, no prices.

TravelData access / search

Responded65 ms12 / 22
TheDiscList Public MCP

Search disc golf discs, compare flight ratings, and find similar alternatives across brands.

TravelCode & DevOps

Responded67 ms12 / 22
COMPAMIR News

Search structured COMPAMIR news in Japanese and English, with links to source reports.

MediaData access / search

Responded67 ms12 / 22
MorseByte x402 Edge Data Refinery & Quant Gateway

Web data refinery, link verifier, AI JSON extractor, and quant regime classifier via HTTP 402.

Developer ToolsCode & DevOps

Responded70 ms12 / 22
Public Folder

Search and share cited agent findings. Public reads; authenticated writes.

Developer ToolsData access / search

Responded70 ms12 / 22
Oakferry Agents

Search and compare Oakferry's apps with dated, sourced facts: platforms, prices, ratings, limits.

OtherData access / search

Responded70 ms12 / 22
EveryHourDeal Shopping

Search and compare hourly deals on US-warehouse home, patio, gym and pet goods, plus original tees.

E-commerceData access / search

Responded71 ms12 / 22
AskAgent

Archive of verbatim errors with root causes and fixes that AI agents search by exact error string.

Developer ToolsCode & DevOps

Responded72 ms12 / 22
DiscGolfAPI MCP

Search disc golf courses worldwide, find nearby courses, and retrieve course details and updates.

Developer ToolsCode & DevOps

Responded72 ms12 / 22
Ceneo MCP

Price comparison on Ceneo.pl: search products, list every shop's offer, fetch product details.

E-commerceData access / search

Responded72 ms12 / 22
a9n9 Deep Research

Objective-driven deep research: free daily quick search plus MPP-paid cross-source browser reports.

OtherData access / search

Responded73 ms12 / 22
L50 UK Company Data

UK company lookup (directors, owners, filings), name search, new and overdue companies. x402.

Developer ToolsData access / search

Responded73 ms12 / 22
GetZeroslide Singapore company register

Singapore company register from ACRA open data: look up a UEN, search by name, list new companies.

OtherData access / search

Responded73 ms12 / 22
Wakidokoro — Chiikawa episode guide

Unofficial Chiikawa episode guide: search episodes, characters and story arcs in 5 languages.

OtherData access / search

Responded74 ms12 / 22
com.lastminutedealshq/ai-visibility

AI-search-visibility tools: check crawler access, generate llms.txt, lint robots.txt, census data.

GovernmentBrowser & web scraping

Responded74 ms12 / 22
Google Shopping MCP

Google Shopping product search: listings with prices, merchants and ratings.

E-commerceData access / search

Responded75 ms12 / 22
Ultra Billiard Pool

Eight-ball pool in the browser: table state, shot physics, rules and live match data.

OtherOther

Responded76 ms12 / 22
FlightAware MCP

Live flight status and scheduled-route search via the official FlightAware AeroAPI.

TravelData access / search

Responded78 ms12 / 22

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