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Category Find a category Email 988 Marketing and SEO 143 Communication and chat 90 DevOps and infrastructure 78 CRM and sales 77 Office documents and spreadsheets 63 Security 58 Utilities 53 Calendar and scheduling 53 Finance and payments 51

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Works in Claude Code 981 Claude Desktop 817 Cursor 981 VS Code 981 Devin Desktop 981 Zed 967 Cline 981 Continue 817 Goose 967 LM Studio 981 Gemini CLI 981 Codex 967 mcp-client-cli 4 oterm 981 TUUI 4 BoltAI 4 Agenvoy 967 Amp 981 AnythingLLM 981 Augment Code 817 Bob Shell 967 ECA 981 Kiro 967 Kiro CLI 967

Servers we write a config for that runs in that client.

Listed in Official MCP Registry 983 npm 111 PyPI 3 Docker 0 Hugging Face Spaces 5

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Package npm 85 PyPI 3 Docker (OCI) 7 NuGet 1 Cargo 0 MCP bundle 4

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Licence Any States a licence 112 No licence stated 876

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Email
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RocketReach co.rocketreach/mcp

Verified work emails and phones from 700M+ contacts

100% up · 30 days

Email Official MCP Registry Remote
3LT Letter Mail com.3lgrouptechnology/3lt-letter-mail

Give AI assistants hands: send real USPS letters via MCP.

100% up · 30 days

Email Official MCP Registry Remote
Agent Inbox — direct agent-to-agent messaging with receipts com.a2awire/agent-inbox

Free agent-to-agent inbox: send, claim, ack. Register in-session, no signup.

100% up · 30 days

Email Official MCP Registry Remote
Adflipr com.adflipr/mcp

Ecommerce email MCP for Shopify/Woo — campaigns, automations, popups, analytics. OAuth.

100% up · 30 days

E-commerce Official MCP Registry Remote
Agent Email List — Free SMTP Relay for AI Agents com.agentemaillist.ai/free-transactional-email-smtp-relay

Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

100% up · 30 days

Email Official MCP Registry Remote
APIVerve com.apiverve/mcp-server

380+ live data, validation and utility APIs in one MCP server: IP, DNS, email, FX, weather and more.

100% up · 30 days

DevOps and infrastructure Official MCP Registry Remote
Banger com.bangermail/banger

All your company email, operated by agents and reviewed by you.

100% up · 30 days

Email Official MCP Registry Remote
RealRun com.baseledgerip.realrun/realrun

Independent AI model test scores on 5 tasks: inbox, scheduling, receipts, finance, support replies.

100% up · 30 days

Project management Official MCP Registry Remote
Bird com.bird/mcp

Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.

100% up · 30 days

Communication and chat Official MCP Registry Remote
BlackVeil DNS & Email Security Scanner com.blackveilsecurity/dns

DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

100% up · 30 days

Security Official MCP Registry Remote
ContactLint com.contactlint/contactlint

Validate emails (MX, disposable, role, typo) and phone numbers, singly or in batches, for AI agents.

100% up · 30 days

Email Official MCP Registry Remote
Cooper Email com.cooperemail/cooper-email

Email inboxes for AI agents: send, receive, search, drafts with owner approval, and webhooks.

100% up · 30 days

Email Official MCP Registry Remote
CosVoice com.cosvoice/cosvoice

A real phone number and email for your AI Chief of Staff. Calls, bookings by phone, summaries.

100% up · 30 days

Email Official MCP Registry Remote
DirectIQ com.directiq.mcp/directiq

Manage DirectIQ contacts, lists and tags, see campaign results, and send transactional email.

100% up · 30 days

Email Official MCP Registry Remote
DMARC Shark — Email DNS Checker com.dmarcshark/email-dns-checker

Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.

100% up · 30 days

DevOps and infrastructure Official MCP Registry Remote
Envloped com.envloped/mcp

Send transactional email, verify domains, build contact segments, and draft marketing campaigns.

100% up · 30 days

Marketing and SEO Official MCP Registry Remote
Evaboot com.evaboot/evaboot

Extract LinkedIn Sales Navigator leads and find or validate their professional emails.

100% up · 30 days

CRM and sales Official MCP Registry Remote
Faivelo Email com.faivelo/mail

Business email on your own domain: mailboxes, send and read mail, drafts, aliases and DNS setup.

100% up · 30 days

Email Official MCP Registry Remote
FindLeadEmails com.findleademails/mcp

Find and verify B2B work emails, single or bulk. OAuth sign-in or API key; pay per verified email.

100% up · 30 days

Email Official MCP Registry Remote
flightclaw com.flightclaw/flightclaw

Search ~300 airlines and book flights with a checkout link. OAuth sign-in by email code.

100% up · 30 days

Maps and location Official MCP Registry Remote

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