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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5974 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
Adrenaline List

Search published adrenaline adventures worldwide by destination, category, rating and season.

OtherData access / search

Responded463 ms13 / 22
martechdevs martech skills

Practitioner skills for tracking plans, GA4 and GTM fixes, consent, attribution and CRM work.

Marketing & SalesData access / search

Responded464 ms13 / 22
io.github.eltociear/tokenguard-mcp

Real-world data for agents: air quality, geocoding, quakes, holidays, web search

Data & AnalyticsData access / search

Outdated check467 ms13 / 22
Woodpecker: NYC HPD registration lookup

NYC building HPD registration status, open filing violations and Woodpecker's yearly price.

OtherData access / search

Responded468 ms13 / 22
Site MCP

Turn any public website into an MCP server for agents to search, read and navigate.

Developer ToolsData access / search

Responded468 ms13 / 22
rolefig

Search real job openings, check job posts and pay rules, and prepare California offer letters.

OtherData access / search

Responded469 ms13 / 22
Jason Lovell

Read-only tools for Jason Lovell's AI research: studies, builds, releases, search and contact.

OtherData access / search

Responded471 ms13 / 22
Liberty.win

Free speech forum for life, liberty, and property. Read, post, and vote on news that moves people.

MediaData access / search

Responded473 ms13 / 22
SwiftSkills

Search a curated catalog of agent skills, MCP servers and rules for Swift, SwiftUI, Xcode and iOS.

Developer ToolsData access / search

Responded476 ms13 / 22
MCPSkillHub

Search 49k MCP servers with measured context-token cost, security signals and install snippets.

Developer ToolsData access / search

Responded478 ms13 / 22
Wisty UI

Find, read and install shadcn components with Salesforce Lightning's look, for Radix and Base UI.

Marketing & SalesData access / search

Responded478 ms13 / 22
VinoVoss

Search a US wine marketplace, compare offers that ship to your state, and buy or track an order.

OtherData access / search

Responded482 ms13 / 22
UluP Nexus

Search a hand-verified index of indie software and games by keyword, category, language and pricing.

OtherData access / search

Responded482 ms13 / 22
uListen

Search podcast transcripts and summaries. Get the quote, who said it, and the minute.

MediaData access / search

Responded484 ms13 / 22
Tudetic Product Search

Read-only Tudetic product search and vehicle compatibility with safe public pricing.

OtherData access / search

Responded489 ms13 / 22
com.grain64.sitecite/sitecite

Cited clinical trial site shortlists and CRO site-list checks from ClinicalTrials.gov.

HealthcareData access / search

Responded489 ms13 / 22
KnowMapped

Search, retrieve, create, and update visual knowledge maps in a user's KnowMapped account.

Developer ToolsData access / search

Responded492 ms13 / 22
Plainrouter

Meta Ads MCP: read ad accounts and signal health; propose governed changes under Ask or Full.

Marketing & SalesData access / search

Responded493 ms13 / 22
foodose GLP-1 nutrition

GLP-1 calorie and protein targets with a dose aware appetite ceiling, plus food and recipe search.

OtherData access / search

Responded494 ms13 / 22
Florida Home Search by U.S. Prime Realty

Search Florida properties and new construction for sale with U.S. Prime Realty.

Real Estate & PropertyData access / search

Responded495 ms13 / 22
Finally Offline

Human culture news, trends and search across sports, music, fashion and streetwear.

MediaData access / search

Responded495 ms13 / 22
Neptune Cigars

Premium cigar search, community ratings, live availability and US state shipping rules.

OtherData access / search

Responded496 ms13 / 22
HortOS (Canada)

Search Canadian wholesale plant growers' live availability and price a whole plant list. Read-only.

OtherData access / search

Responded496 ms13 / 22
ASL Doctor Search

Find US healthcare providers by name, specialty, location or NPI from the CMS NPPES registry.

HealthcareData access / search

Responded498 ms13 / 22

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