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
AppFolio MCP Server and API by Cotlet

AppFolio property management software MCP server: create work order, assign work order.

OtherOther

Requires authOutdated checkNot measured4 / 22
Apply2Volunteer

Preview or grade a volunteer form. No API key. Free sign-up to publish.

OtherOther

Requires authNot measured4 / 22Not checked yet
AppSigma App Store Data

App Store data for agents: app metadata, reviews, chart rankings, prices, in-app purchases.

OtherOther

Requires authNot measured4 / 22Not checked yet
AppStorePack

Create App Store screenshots, app icons and store copy, then push them to App Store Connect.

OtherOther

Requires authNot measured4 / 22
Appty

Find open slots on any appty link and book solo providers. Providers manage bookings by API key.

OtherOther

Requires authNot measured4 / 22Not checked yet
Appy smart links

Create and edit Appy smart links for apps, and read their click and install stats.

OtherOther

Requires authNot measured4 / 22Not checked yet
Arbo

Site structure for client redesigns. Page tree with URL, keyword, status and redirect plan export.

OtherOther

Requires authNot measured4 / 22Not checked yet
Arche

SEC EDGAR filings, XBRL facts and normalized financial statements, point-in-time by acceptance.

OtherOther

Requires authNot measured4 / 22Not checked yet
Archome AI

AI virtual staging and architectural rendering: stage rooms, render interiors, exteriors, sketches.

OtherOther

Requires authNot measured4 / 22
Argus: Belgian tender insights

Belgian public tender insights: who bids, who wins, winning prices, your award report scores.

OtherOther

Requires authOutdated checkNot measured4 / 22
Ärikratt

Estonian companies, EMTAK, grants and tenders from public registers.

OtherOther

Requires authNot measured4 / 22Not checked yet
arkerah

Your ranked corporate job matches in five European countries, read from your AI assistant.

OtherOther

Requires authNot measured4 / 22
Arketo

Draw your app's architecture on a live canvas and flag the bottlenecks and security gaps.

OtherOther

Requires authNot measured4 / 22Not checked yet
Arnakoff

Signaux anti-arnaque sourcés sur un site, un e-mail, un numéro, un IBAN ou un SIREN

OtherOther

Requires authNot measured4 / 22Not checked yet
Arvak

Put the site or app you made with your AI online, at its own address.

OtherOther

Requires authNot measured4 / 22
Asipipes

Hosted, versioned data pipes for agents: return only new items from feeds, filings and prices.

OtherOther

Requires authNot measured4 / 22Not checked yet
Askli Customer Research

Run interviews with real customers and retrieve evidence-backed product findings.

OtherOther

Requires authNot measured4 / 22
AskMyEV

Tesla data for your AI: battery, range, charging, tires, alerts, history. Controls off by default.

OtherOther

Requires authNot measured4 / 22
AskRentAI

Ask your Rent Manager portfolio anything: live, read-only financials, rent roll, leasing.

OtherOther

Requires authNot measured4 / 22
Asobiai

Publish AI-made browser games and get a shareable URL. Update, test and read player feedback.

OtherOther

Requires authOutdated checkNot measured4 / 22
ASOClimb

App Store and Google Play keyword research, rank tracking, competitors, charts and niche analysis.

OtherOther

Requires authNot measured4 / 22Not checked yet
AsOf

Dated, sourced facts about AI and tech companies: what was true on a day, and what changed since.

OtherOther

Requires authNot measured4 / 22Not checked yet
Assindo

AI phone assistant: real calls to businesses for you, plus tasks, posts and research.

OtherOther

Requires authNot measured4 / 22
AstroMansion

Our own engine on NASA JPL data, no third-party APIs: natal, transits, synastry and 40+ techniques.

OtherOther

Requires authNot measured4 / 22Not checked yet

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