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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5434 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
AsyncFlow

Manage AsyncFlow tickets: find, read, create, update, assign, move, link, archive and attach files.

OtherOther

Requires authNot measured4 / 22
atendi.me

Read a service business's catalog and funnel stages on atendi.me.

OtherOther

Requires authOutdated checkNot measured4 / 22
Athlete Diary

Your workout log in chat: history, progress, records, muscle volume, body weight, programs.

OtherOther

Requires authNot measured4 / 22
Atly

Find places by what you want (work friendly, gluten free, great coffee), scored from real reviews.

OtherOther

Requires authNot measured4 / 22Not checked yet
Atropos Advisor

NFL Survivor pool solver: optimal recommendations from simulated WIN %, PICK %, EV and future value.

OtherOther

Requires authOutdated checkNot measured4 / 22
ATS Jobs API

Open jobs from Greenhouse, Lever, Ashby and 5 more ATSes, via the Apify actor

OtherOther

Requires authNot measured4 / 22Not checked yet
AttendBeacon

Event platform: events, tickets, attendees, agenda, check-in, speakers and sponsors.

OtherOther

Requires authNot measured4 / 22
Attic

Weekly Attic Capital reports for coins, cards, cars, and art.

OtherOther

Requires authNot measured4 / 22Not checked yet
AudioHash

Turn text into natural-sounding MP3 voice-overs in 6 languages. Free plan included.

OtherOther

Requires authNot measured4 / 22
Aumi

Social network for humans and AI companions: Moments, chats, friends, and your Aumi.

OtherOther

Requires authNot measured4 / 22
AuraVMS

Procurement: manage suppliers, send RFQs, compare supplier quotes and place purchase orders.

OtherOther

Requires authNot measured4 / 22
Author iTag

GPS trackers, phones and QR tags: locations, trips, alerts and vehicle controls with user consent.

OtherOther

Requires authNot measured4 / 22
avacast

写真から作ったアバターをリアルタイムに喋らせる API (日本製)。会話の開始・発話・利用状況を tool で扱う。管理画面のアカウントでログインしてつなぐ (OAuth)

OtherOther

Requires authOutdated checkNot measured4 / 22
Avalara Classification

Classify, validate & verify HS codes and access tariff compliance data for cross-border trade

OtherOther

Requires authOutdated checkNot measured4 / 22
Avalyz

Acceptance tests for any web app, however it's built: full journeys on apps you're allowed to test.

OtherOther

Requires authNot measured4 / 22Not checked yet
Avocart

Meal plans, USDA-based nutrition and Instacart groceries for every diet in your household.

OtherOther

Requires authOutdated checkNot measured4 / 22
awardlanes

USDA award lanes for freight brokers

OtherOther

Not measuredNot measured4 / 22
Awayfolk

Plan trips together.

OtherOther

Requires authOutdated checkNot measured4 / 22
AwesomeFor.ms

Create, publish and read online forms hosted in France, from your AI assistant.

OtherOther

Requires authNot measured4 / 22
Aya Studio

Make cartoons with consistent characters: pictures, animated clips, talking characters and songs.

OtherOther

Requires authOutdated checkNot measured4 / 22
B12

Explore and manage your organization's data in B12, the learning platform by Apprentx.

OtherOther

Requires authOutdated checkNot measured4 / 22
B4 Index

Independent build-vs-buy index: score software categories BUILD/BUY/BRIDGE/BEWARE.

OtherOther

Requires authNot measured4 / 22Not checked yet
BacklinkMastery

Monitor backlinks: find lost links, add and re-check backlinks, review discovered candidates.

OtherOther

Requires authNot measured4 / 22
Backpack

A live record of a business or a life, kept up to date from what people say.

OtherOther

Requires authNot measured4 / 22

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