"A lightweight, self-hosted Git service" matching MCP servers:

Enables AI apps to securely read, search, organize, draft, attach files to, and send email across up to five self-hosted IMAP/SMTP mailboxes, with sending only after explicit user approval.

Enables authorized users to manage calendars, availability, tasks, contacts, sync operations, and Agent Mailbox email tools through an OAuth-scoped MCP connection.

Enables AI agents to send emails, create drafts in Gmail, and append content to Google Docs via standardized MCP tools.

Enables a conversational AI voice agent to handle airline customer-service tasks such as authenticating callers, retrieving booking details, listing alternative flights, rebooking, and sending confirmation emails.

A production-grade backend that lets LLMs safely operate Gmail, Google Drive, and Calendar through the Model Context Protocol.

Enables sending emails (including mass emailing), querying, updating, and canceling delayed emails via the Resend API.

Enables reading and writing email through IMAP and SMTP accounts using natural language via the Model Context Protocol.

Enables Claude Desktop to automate HR workflows such as employee onboarding by adding employees, sending emails, raising equipment tickets, and managing leave and meeting scheduling through MCP tools.

Enables AI assistants to interact with Microsoft 365 and Office services through the Microsoft Graph API, providing tools for email, calendar, files, Teams, SharePoint, and more with configurable permissions and output formats.

Enables Claude and other MCP clients to search, read, write and organise mail on Stalwart servers over JMAP — including folders, Sieve filters, out-of-office replies and one-click unsubscribe — with draft-first and confirmation safeguards against prompt injection. A separate admin endpoint additionally exposes account, domain, mailing-list, queue, IP, log and task management through Stalwart's JMAP management API.

A self-hosted MCP server that provides secure access to iCloud Mail, Calendar, and Contacts, enabling agents to read and send email, manage calendar events, and search contacts with safety controls like approval for outgoing messages.

A brain for your mail: MailFathom turns IMAP mailboxes into a self-hosted, AI-native service.

Self-hosted, multi-account Gmail MCP server for Claude and Codex over Streamable HTTP, with explicit account aliases, owner-only OAuth, and encrypted credential storage. Supports searching and reading email, creating drafts, and optional sending and label changes.

Enables MCP clients to search, read, and manage a self-hosted mailbox over JMAP, including attachments with OCR, sending, drafts, and contacts.

A Model Context Protocol server for Plunk, the open-source self-hosted email platform. Provides 84 tools for transactional email, contacts, campaigns, segments, templates, workflows, events, and analytics through the Plunk API.

Self-hosted email aliases on Cloudflare Workers (free tier). Agents can create/list/delete aliases, read recent messages and fetch verification codes.

Self-hosted MCP server that exposes Synology Drive, Spreadsheet, MailPlus, and Calendar as structured tools for AI agents, enabling file, spreadsheet, email, and calendar management via natural language.

MCP server for self-hosted Listmonk newsletters: manage subscribers, lists, campaigns, templates (including from local files), media and transactional email. File access is sandboxed to a configured directory.

Lets users search and read Gmail messages and threads, list labels, and create drafts via the official Gmail API, with self-hosted OAuth for privacy.

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

A lightweight MCP server for personal Microsoft Outlook/Hotmail accounts, enabling email search, reading, attachment management, and folder operations via Microsoft Graph API with OAuth device-code flow.

Connects university or self-hosted email accounts through IMAP/SMTP to local MCP clients, enabling search, reading, draft preparation, and user-approved sending from the configured address.

Local stdio MCP package for transactional email, sending domains and Correio mailboxes for AI agents, subject to team and mailbox permissions. @mepmail/mcp (MIT, Node >=20) implements a documented subset of the separately hosted OAuth service.

Enables managing lists, subscribers, campaigns, templates, bounces and transactional email on a self-hosted Listmonk instance through Claude tools, with an optional read-only mode that limits access to read operations.

Enables AI assistants to read, send, and manage Gmail, Discord, and X (Twitter) via a self-hosted private server with configurable limits and a dashboard for monitoring.

Lightweight MCP server that enables AI agents to manage Microsoft Outlook email, calendar, and files using PKCE authentication with only a Client ID.

Self-hosted email MCP server for Gmail, Outlook, and IMAP/SMTP. Search, read, draft, send, and organize mail across connected accounts.

Enables AI assistants to manage a self-hosted Listmonk instance, covering subscribers, lists, campaigns, templates, bounces, system diagnostics, and transactional email sending. Ships with an optional read-only mode that registers only the read tools.

Connects an MCP client to a self-hosted Mautic instance over its documented REST API, letting users search and manage contacts, segments, companies, campaigns, emails, forms, stages, notes, and reports, and query raw statistics through natural language. Supports basic auth and OAuth2 client credentials across stdio and Streamable HTTP transports.

One secure, self-hosted MCP endpoint connecting AI agents to your real accounts (mail, calendar, files, notes), with per-profile separation, explicit permission enforcement, and an append-only audit log.