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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6002 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
cc.aiones/x-news-digest

X 资讯检索:零配置免 Key 的 X/Twitter 资讯检索,账号池扫描/关键词搜索/热度排序/智能去重,输出中文日报

MediaData access / search

Responded76 ms12 / 22
搜尋引擎與 AI 爬蟲工具箱

檢查網站爬蟲設定、驗證爬蟲 IP、IndexNow 提交與 YouTube SEO 檢查。

MediaData access / search

Responded76 ms12 / 22
FlightAware MCP

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

TravelData access / search

Responded78 ms12 / 22
YouTube MCP

YouTube search: find videos, fetch details and comments, pull full transcripts.

MediaData access / search

Responded81 ms12 / 22
com.googleapis.mapstools/mcp

Ground your AI applications with trusted geospatial data from Google Maps.

Data & AnalyticsData access / search

Responded83 ms12 / 22
Airbnb MCP

Airbnb stays worldwide: search by place, dates, guests with total prices and links; listing details.

TravelData access / search

Responded83 ms12 / 22
co.heyspark.mcp/server

Search and discover local businesses. 30+ categories with verified contact info, hours, and reviews.

Developer ToolsData access / search

Responded85 ms12 / 22
網紅開團合規工具箱

網紅開團與業配合規:薦證廣告規範、供應商統編與公司登記查詢。

E-commerceData access / search

Responded86 ms12 / 22
Booking MCP

Experimental Booking.com hotel search: nightly price, rating, stars and booking link.

TravelData access / search

Responded86 ms12 / 22
VailVacay Directory

Search 355+ curated Vail Valley, Colorado restaurants, hotels, activities, shops and services.

TravelData access / search

Responded87 ms12 / 22
FernTool Network Tools

24 free tools: IP/VPN lookup, WHOIS, DNS, SPF/DMARC, site up/down, redirects, time zones. No key.

Developer ToolsData access / search

Responded89 ms12 / 22
GLOBALCELL eSIM

Travel eSIMs for 130+ countries: plan a trip, compare plans, buy, install and diagnose.

TravelData access / search

Responded92 ms12 / 22
switch402

Markdown scrape, site map, page metadata, screenshots, web search and PDF to text. Pay per call

OtherData access / search

Responded92 ms12 / 22
Google Flights MCP

Live Google Flights fares: search routes, discover cheap deals from an origin.

TravelData access / search

Responded92 ms12 / 22
Amazon MCP

Amazon search in 22 country stores, cross-store price comparison, one product's offers, all in PLN.

OtherData access / search

Responded92 ms12 / 22
pl.barwa/drukarnia

BARWA print shop (barwa.pl): catalog, product advisor, real-price quotes, shipping, file specs.

E-commerceData access / search

Responded94 ms12 / 22
MusicAtlas

Search, analyze, and discover commercially released music using sonic intelligence.

MediaData access / search

Responded96 ms12 / 22
PawLine Pet Guides

Search 180+ free PawLine pet care guides and run pet care calculators.

OtherData access / search

Responded98 ms12 / 22
com.readnpick/mcp

EU261/EC261 flight compensation eligibility and flight distance checks via AI agents.

TravelData access / search

Responded98 ms12 / 22
HostedMCP Directory

Search MCP servers and agent skills, read their checks, and get install config for your client.

Developer ToolsData access / search

Responded98 ms12 / 22
HTR Bamboo Product & Inquiry Assistant

Search bamboo products and guides, estimate panel loads, and prepare reviewable RFQs.

Developer ToolsData access / search

Responded98 ms12 / 22
FCC License Search

Search FCC radio licenses by company, call sign, or FRN; monitor status changes and snapshots.

MediaData access / search

Responded98 ms12 / 22
Squatch Stack

Squatch Stack: a shop that opens in the chat, essays, and requests to the studio. No sign-in.

E-commerceData access / search

Responded99 ms12 / 22
BAM Kaarsen catalog

Search and browse the BAM Kaarsen candle catalog and white-label offering. Read-only, no auth.

OtherData access / search

Responded99 ms12 / 22

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