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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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1424 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
Mailtea

Send email and newsletters with Mailtea over MCP, plus skills for email and website design.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
MAILTYPE — Email Domain Capability Intelligence

Email-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Mailyond

Read, reply to and send email across every domain you connect to Mailyond, via API key over HTTP.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Mailzzy

Email marketing: campaigns, audiences, contacts, segments, templates and reports.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
MCPEmails

Never-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Mektup

Fully-managed email as MCP tools - register domains, real mailboxes, send and receive mail.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
MepMail

Transactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes.

ProductivityCommunication & messaging

Requires authNot measured5 / 22
Mermail

Privacy-first email inboxes for AI agents with MCP mail tools and Composio connect/execute.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
miniDesk

Work your miniDesk support inbox from AI apps: read conversations, search docs, draft replies.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
MinuteMail

Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
MobileValidate

Check phone numbers (WhatsApp, Telegram, carrier, spam reputation) and e-mail addresses.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
MyOTP.App

Send and verify one-time passcodes over SMS, WhatsApp and Telegram.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Naver Mail (네이버 메일)

Read, search, reply to and organize Naver Mail with the same tools as the Gmail MCP (IMAP/SMTP).

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Needle

Find perfect leads and run outreach campaigns on Linkedin, email, Instagram and more.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Netrun

Publish websites and Telegram bots to Netrun — upload a folder from your editor, get a URL

OtherCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Nextmail

AI-native email for businesses, developers, and AI agents.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Nilyo

Your own LinkedIn, WhatsApp, Instagram, Telegram, Email and Calendar accounts, usable from any agent

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
NoBounce Email Validation

Real-time single and bulk email validation (syntax, MX, 5,000+ disposable domains, SMTP).

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Nodium WhatsApp

Operate WhatsApp from an agent: read conversations and contacts, send messages, by API key.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
NumRadar

Check whether phone numbers are registered on WhatsApp, from your AI agent.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Ogave SMS

Quote, send and track SMS, campaigns, contacts and Verify codes, with a confirmation before sending.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Omnier

Turn signals from email, CRM, and meetings into a prioritized daily sales to-do list.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Oneprofile

Find prospects, research them, and run email and LinkedIn outreach in your Oneprofile workspace.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
OpenMail

Gmail for agents: create inboxes, read and reply to mail, send email, manage domains. OAuth sign-in.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22

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