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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2948 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
Living Projects

Pick up where you left off: your project's progress, decisions and notes, kept in your own storage.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
LivTakt

Life-balance task manager that prioritises your tasks to restore balance across your life areas.

OtherOther

Requires authOutdated checkNot measured4 / 22
Locul Cloud Memory

Recall memories, entity profiles and source notes from your Locul cloud brain in any AI chat.

ProductivityKnowledge & memory

Requires authNot measured4 / 22
LogRack

Shared memory for your AI tools: tasks, notes and context every tool can read and write over MCP.

ProductivityKnowledge & memory

Requires authNot measured4 / 22
Loice

B2B lead search, company employees, verified work emails, email and LinkedIn enrichment.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
LookupDock

Phone, email and IP signals for signup checks, with shared credits and explicit uncertainty.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
LoreKeeper

Mess in, magic out: your D&D and TTRPG notes become a private world store any AI app can read.

ProductivityFile & docs

Requires authNot measured4 / 22
LotsBusiness

Get your business online and found: website, Google Business Profile, business email and listings

ProductivityCommunication & messaging

Requires authNot measured4 / 22
LotsMail

Business email on your own domain that your AI agent can read, search and draft in.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
LotsNotes

Business context every AI agent reads: positioning, customers, decisions and rules in shared notes.

ProductivityFile & docs

Requires authNot measured4 / 22
LotsTeam

Turn user requests and support messages into tasks and tell users what shipped, from any AI agent.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
LovedOne Soft MCP

LovedOne Soft: clients, visits, notes, invoices, scheduling. API key or OAuth care_circle:write.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Lucid

Lucid’s connector creates diagrams, searches, edits, shares, and retrieves docs to summarize.

Developer ToolsData access / search

Requires authOutdated checkNot measured4 / 22
MachineMail

Email inboxes for AI agents. Send, receive, and read email with a trust report on every message.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
MacroDataAPI

Macro data for agents: CPI, payrolls, GDP, policy rates, yields, release calendar, vintages.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Madda Tasks

Project scheduling: Gantt chart, dependencies, baselines, reports and AI agents

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
MagicSlides

Create presentations, docs, sheets and meeting notes from chat. Hosted link, editor, PPTX & PDF.

ProductivityCode & DevOps

Requires authNot measured4 / 22
Mail for Bots

Email inboxes for AI agents: send, reply, read verification codes, human-approved drafts.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
MailAlign

Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Mailazy

Run email marketing from your AI assistant: contacts, newsletters, automations, behavior emails.

Marketing & SalesAutomation & workflows

Requires authNot measured4 / 22
MailBeast.ai

Run MailBeast.ai cold email from your AI assistant: campaigns, leads, mailboxes, replies, analytics.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22
MailBots

Read verification codes (OTP) and test email sent to your catch-all test hostnames.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Mailbox MCP

Read, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Mailcheck: Email Open & Click Tracker

Email open and click tracker for Gmail, Outlook, Zoho Mail, Roundcube, Hostinger Mail and more.

ProductivityCommunication & messaging

Requires authNot measured4 / 22

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