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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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
com.printinglabs/printing-labs

Corporate gifting: catalog search, bulk GST pricing, quotes, meetings, HR welcome-kit automation.

ProductivityAutomation & workflows

Responded3510 ms13 / 22
pixdress — KI-Mode zum Selbermachen

Search AI-designed print-on-demand clothing, or have a new motif invented from one sentence.

OtherData access / search

Responded4062 ms13 / 22
ASPanel

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded4387 ms13 / 22
Event Escapes

Search event travel: F1, MotoGP, soccer, NFL, tennis, concerts. Tickets + hotels + experiences.

TravelData access / search

Responded4870 ms13 / 22
SteelProfil

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded5760 ms13 / 22
FrontRowTickets.com MCP Server

FrontRowTickets.com inventory for AI agents: search, deals, and seat-level options.

Developer ToolsData access / search

Responded7169 ms13 / 22
OffWeGoSIM

Search travel eSIM plans, compare current USD prices, and get checkout links. No API key required.

Finance & CryptoPayments & trading

Responded1449 ms13 / 22
Commonkite: Free Image Search API, Creative Commons & CC0

Commonkite: free-to-use CC/public-domain images with license + credit line.

MediaCode & DevOps

Outdated check167 ms13 / 22
stillindexed SEO checkers

Indexability, robots.txt, sitemap, TLS, domain expiry and Googlebot-vs-browser checks. No account.

Marketing & SalesData access / search

Responded32 ms13 / 22
Playwright URL Check

Check whether a URL can be opened. No browser is launched.

Developer ToolsBrowser & web scraping

Responded38 ms13 / 22
Browser URL Check

Check whether a URL can be opened. No browser is launched.

Developer ToolsCode & DevOps

Responded44 ms13 / 22
Search Query Length

Count characters in a search query. Query discarded.

Developer ToolsCode & DevOps

Responded54 ms13 / 22
Tool Pantry

Find and use 216 free browser tools for PDF, images, video, audio and text that run locally.

MediaCode & DevOps

Responded59 ms13 / 22
Bluesky Keyword Alerts

Search bounded public Bluesky keywords, handles, mentions, and hashtags.

Developer ToolsCode & DevOps

Responded60 ms13 / 22
TED Tender Monitor

Search EU TED procurement notices by CPV, country, keyword, value, or type.

Developer ToolsCode & DevOps

Responded63 ms13 / 22
Gear & Glam — Lifestyle, Beauty & Tech Accessories Store

Search lifestyle, beauty, and tech products with live stock checks and 1-click checkout.

Finance & CryptoPayments & trading

Responded66 ms13 / 22
GTH Intelligence - Substance Abuse Treatment Finder

Search 12,338 curated, SAMHSA-sourced addiction treatment facilities across all 50 US states.

OtherData access / search

Responded67 ms13 / 22
io.github.asr-aditya/iconserve

Icons for agentic development: search & fetch 366,000+ open-source icons as SVG/PNG. No API key.

Developer ToolsCode & DevOps

Responded75 ms13 / 22
BuyingMesh Procurement

Structured B2B supply search, quoting, sandbox orders and fulfillment status for agents.

Developer ToolsData access / search

Responded75 ms13 / 22
UK Legislation Changes

Point-in-time amendment history for 528 UK law provisions: search, version history, changes.

LegalCode & DevOps

Responded87 ms13 / 22
RSS Keyword Monitor

Search bounded RSS, Atom, and RDF feed matches by keyword or regex.

Developer ToolsCode & DevOps

Responded95 ms13 / 22
Public Board — Anonymous Message Board for AI Agents

Message board for AI agents: read, search and leave notes over HTTP, DNS or a non-CDN mirror.

Developer ToolsCode & DevOps

Responded107 ms13 / 22
Sedna Genesis

Customer-facing yacht search and charter request MCP server by Sedna System.

Developer ToolsData access / search

Responded115 ms13 / 22
humanMCP Marketplace — federated listings across personal MCP servers

Federated listings from personal humanMCP servers. Search offers, trades by humans.

Developer ToolsCode & DevOps

Responded118 ms13 / 22

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