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

Publisher portfolio

retracn

Explore the MCP servers published by retracn, with independent connection checks, performance measurements, and setup instructions for each project.

Listed servers
20

Active projects in this portfolio. Deleted and deprecated registry rows are excluded.

Sampled servers
0

Active servers with a recorded connection probe

Latest probe connected
0

Latest stored probe connected. This is not a live guarantee.

Repositories
19

Distinct source repositories linked by the active listings

Portfolio overview

MCP servers

Compare connection status and measurements. Open a server for its tools, check results, and client configuration.

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
AI Visibility Tracker (via Apify)

AI visibility for agents: is a brand mentioned and cited by Gemini, Claude and Google AI Overviews?

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
App Store & Google Play Reviews AI (via Apify)

AI summary of App Store and Google Play reviews: bugs, feature requests and critical issues.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
App Store Reviews (via Apify)

App Store reviews for AI agents: any app or country, past the 500-review limit, with dev replies.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
AutomationNation Data Tools

Agent tools: Google web search, Flights, Hotels, Shopping, News, Jobs, Trends, Maps leads, YouTube

TravelData access / search

Requires authNot measured5 / 22Not checked yet
AutomationNation data tools (via Apify)

Google Shopping, Flights, Hotels, News, Images, Ads, Jobs, Trends, YouTube transcripts, leads.

MediaCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Ads Transparency (via Apify)

Competitors' Google ads for AI agents: every ad a brand runs, with dates and ad text.

Marketing & SalesCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google AI Overview Tracker (via Apify)

Check if Google AI Overviews cite your website: citations, competitors and changes over time.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Flights (via Apify)

Google Flights for AI agents: prices, airlines, flight numbers, times, stops, emissions.

TravelCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Hotels (via Apify)

Google Hotels for AI agents: prices for your dates, ratings, star class, location, photos.

TravelCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Images (via Apify)

Google Images for AI agents: full-size image URLs, sizes and source pages, with filters.

MediaCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Jobs (via Apify)

Search Google Jobs from AI agents: listings with salaries, full descriptions and apply links.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Maps Leads (via Apify)

Local business leads from Google Maps in any country: emails, socials, website audit, outreach.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Google News (via Apify)

Google News for AI agents: headlines, sources, dates and article URLs, with time filters.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Play Reviews (via Apify)

Google Play reviews for AI agents: any app, country or language, with developer replies.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Search (via Apify)

Google web search for AI agents: title, link and snippet in Custom Search JSON API format.

Developer ToolsData access / search

Requires authNot measured5 / 22Not checked yet
Google Shopping (via Apify)

Google Shopping for AI agents: product prices, discounts, stores, ratings and reviews.

E-commerceCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Trends (via Apify)

Google Trends data for AI agents: interest over time, regions, rising queries and trending searches.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Google Videos (via Apify)

Google video results for AI agents: YouTube, TikTok and more, with channel and duration.

MediaCode & DevOps

Requires authNot measured5 / 22Not checked yet
UK Business Leads (via Apify)

UK business leads from Google Maps with emails, phones, Companies House directors and outreach.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22Not checked yet
YouTube Transcripts (via Apify)

YouTube transcripts for AI agents: text and timestamps for any video, channel or playlist.

MediaCode & DevOps

Requires authNot measured5 / 22Not checked yet