"Information about Redis, an in-memory data structure store" matching MCP connectors:

Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.

Give an agent its own inbox: send, receive, and pull signup codes from real email.

Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.

Render HTML/.eml emails in real Gmail, Outlook & Yahoo web clients and screenshot them

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).

Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.

Apollo connects your sales data and outreach tools directly to your agent . Ask it to find leads, look up a company, write and send emails, or check how a campaign is performing. All from a conversation, without opening another tab.

Heldly reads your Google Calendar directly, places tentative holds on every host's calendar, and emails the invitee a one-click picker. The moment the invitee picks, Heldly confirms the chosen slot and deletes the siblings across every host's calendar in the same request. No reusable booking page, no in-app form, no calendar cleanup.

Verify email addresses in real time and find business email addresses with live mailbox checks.

Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.

Turn inbound email into a webhook — verify, parse, route, and store incoming messages.

InboxPolicy is an MCP email-verification server for agents. Get an actionable verdict: send, send_with_caution, review, retry_later, or avoid, with confidence and SMTP evidence, plus tools for detailed verification, asynchronous batches, and usage tracking

Goal-directed email outreach: research, draft, send, triage replies. Real data, never fabricated.

Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.

Email for agents: newsletters, subscribers, contacts, broadcasts. OAuth sign-in, no API key.

First-party MCP server for Fastmail, including email, contacts, and calendars. See: https://www.fastmail.com/blog/an-mcp-server-for-fastmail/

Authenticated email gateway for AI agents. Each agent gets its own deliverable email address with SPF/DKIM-verified inbound and optional human-in-the-loop approval on outbound. 18 tools covering send, receive, reply with threading preserved, and HITL approval queue.

Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.

Secure MCP server for exploring incwo CRM data, documents, and email workflows.

8 MCP servers, 104+ tools: memory, social, PDF, email, images, calendar, scheduler, files.