MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1801 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
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Outdated check229 ms13 / 22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Outdated check236 ms13 / 22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Outdated check236 ms13 / 22
Nutcracker

Creative work for brand teams: strategy, copy, ideas, research, decks, key visuals and video ads.

MediaAI / LLM tooling

Outdated check245 ms13 / 22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Outdated check247 ms13 / 22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Outdated check249 ms13 / 22
Free100EcommerceLeads

Check ecommerce store contact coverage by country, platform and company size.

E-commerceData access / search

Outdated check267 ms13 / 22
Xyla AI

Social posts for Shopify and WooCommerce stores: approve posts, see results, change settings.

E-commerceData access / search

Responded279 ms13 / 22
Siren

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

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Outdated check302 ms13 / 22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Outdated check305 ms13 / 22
Ask AI

Ask questions across Shopify, Klaviyo, GA4 and 20+ e-commerce sources in plain English.

E-commerceData access / search

Outdated check312 ms13 / 22
Tendeck: AI-run real estate CRM + broker recruiting

Free AI-run real estate CRM. Brokers: Florida recruiting lists, County Watch, auto email, BYO MLS.

Real Estate & PropertyCommunication & messaging

Responded324 ms13 / 22
Convertlyft

Web analytics that names the fix: funnels, replays, errors, page speed and SEO for your site.

Data & AnalyticsData access / search

Outdated check330 ms13 / 22
On-Demand-Books

Find personalized puzzle books by first name from a 100,000+ title Shopify catalog.

E-commerceCode & DevOps

Outdated check353 ms13 / 22
Olist Tiny ERP

Olist Tiny e-commerce ERP (formerly Tiny ERP) with the full official REST API v3, products, stock, o

E-commerceCode & DevOps

Outdated check354 ms13 / 22
Flight Radar

Live flight radar: real-time position of any aircraft transmitting ADS-B right now. Search by regist

TravelCode & DevOps

Outdated check360 ms13 / 22
SEOPro AI

Turn Search Console data into SEO actions, content, publishing, indexing, and AI insights.

Developer ToolsCode & DevOps

Outdated check361 ms13 / 22
Crisp

Customer support, live chat, CRM and helpdesk on Crisp with the full official REST API v1 (api.crisp

Developer ToolsCode & DevOps

Outdated check364 ms13 / 22
Google Ads

Full Google Ads management: read (campaigns, performance, ROAS, keywords, search terms) and write (p

Marketing & SalesCode & DevOps

Outdated check367 ms13 / 22
Obriym CRM

Operate Obriym CRM from your AI assistant: leads, deals, orders, catalog, stock, marketplaces.

Marketing & SalesData access / search

Outdated check369 ms13 / 22
Nuvemshop

Nuvemshop (Tiendanube) e-commerce platform, your store's products, orders, customers, categories and

E-commerceCode & DevOps

Outdated check372 ms13 / 22
Meta Ads (Facebook & Instagram)

Read and manage Meta Ads campaigns, ad sets, ads, audiences, pages and Business Manager. You provide

Marketing & SalesCode & DevOps

Outdated check377 ms13 / 22
Kommo

Kommo CRM (formerly amoCRM), the conversation-first sales CRM (WhatsApp, Instagram, Telegram) used b

Developer ToolsCommunication & messaging

Outdated check379 ms13 / 22
DataCrazy

DataCrazy omnichannel CRM (WhatsApp, Instagram, Facebook) via the official API: leads, deals, pipeli

Marketing & SalesCommunication & messaging

Outdated check380 ms13 / 22

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