MCP server directory
59888 public MCP servers from the official MCP Registry (26001 from verified domains, 33887 community). Search, filter, copy a setup snippet. Nothing here is installed by cosmic-mcp.
Community listing. Not installed or verified by cosmic-mcp. Check the source before you run anything.
Showing 271 to 300 of 680
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MCPEmails
com.mcpemails/emails
Never-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.
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MX Probe
dev.mxprobe/mxprobe
Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.
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MX Verdict
com.mxverdict/mxverdict
Free, read-only email and DNS checks: SPF, DKIM, DMARC, MX, DNS records, blocklists, domain health.
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MachineMail
dev.machinemail/mcp
Email inboxes for AI agents. Send, receive, and read email with a trust report on every message.
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Mail Blaze MCP by usefulapi
io.usefulapi/mailblaze
Manage Mail Blaze lists, subscribers, templates, campaigns and reports; send transactional email.
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Mail Security Tools
com.mailsecuritytools.api/email-security
DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC).
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Mail by Pony
com.mailbypony/mail-by-pony
Print and mail real letters through USPS. Write, preview the exact printed proof, then pay or send.
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Mail for Bots
com.mailforbots/mailforbots
Email inboxes for AI agents: send, reply, read verification codes, human-approved drafts.
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Mail7 Email Validation
net.mail7/email-validation
Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.
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MailAlign
dev.workers.mike-tusa.mailalign/mailalign
Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.
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MailBeast.ai
ai.mailbeast/mailbeast
Run MailBeast.ai cold email from your AI assistant: campaigns, leads, mailboxes, replies, analytics.
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MailBots
top.mailbots/mailbots
Read verification codes (OTP) and test email sent to your catch-all test hostnames.
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MailByGet
com.mailbyget/mail
Temporary receive-only email inboxes for agents. Create, list and read messages without signup.
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MailFerret
com.appin60.mailferret/mailferret
Find and verify work emails with live SMTP checks and catch-all detection. Free 10 calls/day.
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MailFixture
com.mailfixture/mailfixture
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.
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MailInApp
com.mailinapp/mcp
Build and send interactive email campaigns: studio editing, contacts, sending, results.
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MailMCP
com.mcpproducts/mail
Read, search and draft email over IMAP from any AI agent. Never sends.
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MailMask
studio.mailmask/mailmask
Email for agents: domains, aliases, IMAP mailboxes, DNS, sending and webhooks via one API key.
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MailProbe
dev.mailprobe/mailprobe
Verify email addresses in real time: deliverability, disposable and role addresses, typo fixes.
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MailSenpai
com.mailsenpai/mcp
MailSenpai: lists, campaigns, DNS & spam checks (74 tools, OAuth, EU). SMTP Senpai: SMTP & API.
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MailSlurp
com.mailslurp/mailslurp
Email and SMS inboxes for AI agents, plus email rendering, inbox placement and sender warmup.
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MailStream
app.mailstream/mailstream
The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.
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MailTester Email Verification
com.mailtester/email-verification
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
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MailTester Ninja
ninja.mailtester/email-verification
Verify email addresses live against their mail server and find work emails. Nothing stored.
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MailVakt
com.mailvakt/mailvakt
Use when email lands in spam: audits SPF, DKIM, DMARC, MX and returns the DNS records to fix it.
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MailValid Email Verification
io.mailvalid/email-verifier
Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.
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MailX Email Deliverability
com.themailx/email-deliverability
Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.
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Mailazy
com.mailazy/mcp
Run email marketing from your AI assistant: contacts, newsletters, automations, behavior emails.
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Mailbox MCP
com.mailbox-mcp/mailbox-mcp
Read, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.
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Mailbuttons
com.mailbuttons/mcp-server
Governed email for AI agents: a sandbox inbox to read and send from, human approval to go external.
Source: the official MCP Registry (registry.modelcontextprotocol.io), refreshed daily, plus public GitHub data. "Verified domain" means the publisher proved the namespace's domain to the registry; it is not a review. Machine-readable: /v1/directory/servers.