"How to build your own knowledge base" matching MCP servers:

Provisions own-domain email for families using Cloudflare's API, enabling automatic setup of email routing, catch-all forwarding, and verified destinations.

Enables read-only search and retrieval of your email across multiple IMAP accounts through a local notmuch index, served over authenticated HTTP for MCP clients like Claude or Codex.

Sends document files (EPUB, PDF, DOCX, etc.) to your Kindle via email using Amazon's Send to Kindle feature.

One-pass agentic inbox triage as an MCP server: fetch unread Gmail → classify (action_needed/fyi/newsletter/noise) → summarize → extract tasks → draft replies as Gmail DRAFTS (never sends) → flag calendar → write a triage report. Four stdio tools (fetch_emails, save_gmail_draft, append_tasks, write_report); the host is the LLM, so it runs keyless in Claude Code. Gmail scopes: readonly + compose

A Model Context Protocol (MCP) server that allows Claude Desktop to send documents directly to your Kindle e-reader.

Hire autonomous PR outreach agents from any MCP-compatible LLM. All-in-one AI outreach: find verified leads, draft hyper-personalized emails, discover conferences/webinars/communities in your niche, and triage replies — all from any MCP client.

Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.

Lets AI agents send notifications, manage templates and read delivery status.

Enables AI agents to create temporary email addresses, receive confirmation emails, and extract verification links, automating sign-up and email verification workflows without manual intervention.

An MCP server that sends plain-text Gmail messages only to a predefined allowlist, using generated recipient IDs instead of email addresses to enforce security.

Enables sending documents (Markdown, PDF, EPUB) directly to a Kindle via Amazon Send-to-Kindle email, with Markdown converted to EPUB using pandoc.

Official MCP server for Shipmail, enabling agents to manage domains, mailboxes, messages, threads, webhooks, and suppressions via natural language.

Send email through your own Amazon SES account, and check domain verification, the suppression list and sandbox status. Works with any SES account; Wraps adds send history and delivery events.

Your real mailbox and calendar for your AI agent — Microsoft 365 via Graph or any IMAP — as 24 tools: read, search, attachments as text, sender history, drafting from identity and knowledge files, free-slot computation. Send, reply, delete and calendar writes need out-of-band human approval: the agent cannot approve its own actions.

Private, EU-hosted email for AI agents over the open JMAP standard. Read, search, reply in-thread, organize and send from your own mailbox; sending is pinned to the signed-in mailbox.

Enables connecting your own Gmail or SMTP mailbox and managing email through tools for sending, replying, searching, reading threads, and creating drafts.

Self-hosted email for AI agents: unlimited mailboxes on your own domain with docker compose, OTP/link extraction, mail_wait_for, web dashboard. v0.7.3: webhook wake example, reliable long waits (mail_wait_for), optional pending journal for task claims. Release: https://github.com/openagentemail/openagentemail/releases/tag/v0.7.3

MailKite offers email sending and receiving for agents at your domain or free inboxes Create inboxes for your agent Send emails from your agent Receive emails to your webhook Receive emails to your agent

Enables Gmail search and Google Sheets append as two scoped MCP tools using your own Google OAuth credentials, with no hosted sync or stored credentials.

MCP server for Gmail shared inboxes and WhatsApp — read, reply, search, and organize your team's email from Claude, ChatGPT, or Cursor. 47 tools covering email threads, WhatsApp messaging, boards, contacts, knowledge base, analytics, and automations.