CL
Cli dev.kanta/cli Kanta Verify, Find, and Database: email verification, email finding, and B2B contact search.
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Databases Official MCP Registry · npm Local 183 a week MIT
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Unofficial Infomaniak MCP — hosting, Node.js, mail, DNS, kDrive, SSL, VPS, domains. 81 tools.
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DevOps and infrastructure Official MCP Registry · npm Local 45 a week MIT
SE
Send16 io.github.spruikco/send16-mcp Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.
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Email Official MCP Registry · npm Local Remote 43 a week MIT
SH
Shipmail io.github.shipmail-to/shipmail-mcp Shipmail MCP server. Modern email for your business, with an API for your agents.
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Email Official MCP Registry · npm Local Remote 156 a week MIT
EM
Email io.github.marlinjai/email-mcp Unified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations
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Email Official MCP Registry · npm Local 155 a week MIT
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DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
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DevOps and infrastructure Official MCP Registry · npm Local Remote 42 a week MIT
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IMAP/SMTP MCP server for Email with composite tools. Multi-account, auto-discovery.
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Email Official MCP Registry · npm Local 142 a week APACHE-2.0
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AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.
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Data warehouses and analytics Official MCP Registry · npm Local Remote 1.3k a week
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Gmail MCP server for email triage: search, labels, archive, trash, unsubscribe, snooze.
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Email Official MCP Registry · npm Local 130 a week MIT
MA
Mailchimp io.github.cyanheads/mailchimp-mcp-server Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.
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Email Official MCP Registry · npm Local Remote 126 a week APACHE-2.0
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Email safety for AI agents: scan inbound for prompt-injection/phishing + outbound for secret leaks.
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Email Official MCP Registry · npm Local 33 a week MIT
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[](https://www.npmjs.com/package/resend-mcp)
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Email npm Local 12k a week MIT
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67 curated MCP tools for Google Workspace: Gmail, Calendar, Drive, Sheets, Docs, Slides, Tasks.
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Office documents and spreadsheets Official MCP Registry · npm Local 118 a week MIT
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Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).
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Email Official MCP Registry · npm Local 31 a week MIT
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PII/secret redaction, email checks, sanctions screening, OSV lookups and an MCP server pre-check.
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Security Official MCP Registry · npm Local Remote 2.4k a week MIT
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Find business leads with emails from Google Maps, Apollo.io and LinkedIn. Prepaid, API key.
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Maps and location Official MCP Registry · npm Local 107 a week MIT
OP
OpenSDR io.github.arif-js/opensdr-mcp Open-source AI SDR: B2B prospecting, email enrichment, buying signals and safe outreach staging.
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CRM and sales Official MCP Registry · npm Local 106 a week MIT
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MCP server for Front: conversations, contacts, messages, tags, and inbox workflows.
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Email Official MCP Registry · npm Local 104 a week MIT
DE
Deliveriq io.github.Davison-Francis/deliveriq-mcp Email deliverability for AI agents. 12 tools: verify, DNSBL, DMARC, spam-trap, finder.
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Email Official MCP Registry · npm Local 27 a week MIT
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Canadian SMS and email API for AI agents: send SMS and email, verify phones, handle CASL consent.
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Communication and chat Official MCP Registry · npm Local Remote 90 a week MIT