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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1465 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
Outdated check111 ms13 / 22
Foxfind

Affiliate price routing for high-intent PC game purchases across authorized stores.

Marketing & SalesData access / search

Outdated check118 ms13 / 22
212medya Growth Check

Audit a public website for B2B marketing readiness and AI search visibility.

Marketing & SalesData access / search

Outdated check126 ms13 / 22
io.github.41fred/ibo

Commission cinematic AI campaign films from IBO Studio, with custom scoping when needed.

Marketing & SalesCode & DevOps

Outdated check128 ms13 / 22
Traffalyzer

SEO & UX audits for your websites: findings, Search Console data, growth plan and site scans.

Marketing & SalesData access / search

Outdated check141 ms13 / 22
Marketingburos

Search and compare 2,000+ Dutch marketing agencies by specialism, city and cases. Never pay-to-rank.

Marketing & SalesData access / search

Outdated check153 ms13 / 22
Involve Media

Free local business checkup (Google, reviews, AI answers), plus web, SEO and automation services.

Marketing & SalesAutomation & workflows

Outdated check154 ms13 / 22
OKC SEO Site Audit

Free check of one site for orphan pages, broken internal links and sitemap problems.

Marketing & SalesData access / search

Outdated check159 ms13 / 22
Pylon SEO

Audit, rank-track and analyze SEO for sites via an authenticated MCP server.

Marketing & SalesData access / search

Outdated check162 ms13 / 22
GetAgents

AI marketing & sales agents: ChatGPT Ad Radar, ChatGPT ad management, company info, FAQ, demo link.

Marketing & SalesAI / LLM tooling

Outdated check172 ms13 / 22
CleanText

Extract clean article text or Markdown from any public web page; ads and boilerplate stripped.

Marketing & SalesFile & docs

Responded185 ms13 / 22
AutoIsto — car watch

Watches Slovak used-car ads for a buyer. Takes no contact; active only after e-mail opt-in.

Marketing & SalesData access / search

Outdated check202 ms13 / 22
CheckMyVIN

Decode US-market VINs and list NHTSA recall campaigns for the make, model and year. Free, no auth.

Marketing & SalesData access / search

Outdated check203 ms13 / 22
Lyre Leads

Every business of a kind in a city, from Google Maps, read from its website, with verified emails.

Marketing & SalesCommunication & messaging

Outdated check208 ms13 / 22
Grandranker Free AI SEO Tools

Free, no signup: AI crawler check, llms.txt validator, ChatGPT/Perplexity/Gemini citation check.

Marketing & SalesAI / LLM tooling

Outdated check219 ms13 / 22
Asyntai

Run your website's AI support agent: knowledge, conversations, leads and live replies.

Marketing & SalesData access / search

Outdated check229 ms13 / 22
AppPage.net - app websites & store data

App websites with privacy pages and app-ads.txt, plus Google Play & App Store app data.

Marketing & SalesData access / search

Outdated check236 ms13 / 22
Newcollab UGC Creator Search

Find vetted UGC creators by niche, platform and country for gifting, PR boxes and TikTok ads.

Marketing & SalesData access / search

Outdated check236 ms13 / 22
AutoIsto CZ — car watch

Watches Czech used-car ads for a buyer. Takes no contact; active only after e-mail opt-in.

Marketing & SalesData access / search

Outdated check247 ms13 / 22
Developh

Free website audits (speed, SEO, accessibility, Core Web Vitals) by Developh, a Lisbon studio.

Marketing & SalesData access / search

Outdated check249 ms13 / 22
Siren

Deterministic visual marketing engine. Your agent plans, renders, and posts on-brand campaigns.

Marketing & SalesData access / search

Outdated check302 ms13 / 22
WEM Price Compare

Price comparison across partner retailers. Read-only, 90-day history, disclosed affiliate.

Marketing & SalesData access / search

Outdated check302 ms13 / 22
Nuxt SEO

Free SEO checks for any URL, plus the Nuxt SEO module docs.

Marketing & SalesData access / search

Outdated check305 ms13 / 22
Bot Appétit

Can a machine consume this page? AEO, SEO and performance scans. Page scans need no account.

Marketing & SalesData access / search

Outdated check365 ms13 / 22

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