"Local" matching MCP servers:

Local-first Microsoft Outlook MCP server: a single Go binary that manages calendar events and mail through the Microsoft Graph API over stdio, with tokens stored in the OS keychain and no Entra ID app registration required. Exposes four aggregate tools (calendar, mail, account, system) dispatched by an operation verb, with multi-account support and read-only and mail-gating modes.

Connects an MCP client to an existing classic Outlook session on Windows so agents can browse stores and folders, list recent messages, run literal text and metadata searches, and read plain-text bodies with attachment metadata. All access is strictly read-only, with no sending, deleting, moving, or network connections of its own.

Local-first Gmail MCP server using PKCE + loopback OAuth flow that stores refresh tokens in the OS keychain, enabling secure read/write Gmail access via MCP tools without tokens leaving the device.

MCP server for privacy-gated local Apple data access including Mail, Messages, Notes, Calendar, Contacts, Photos, Reminders, Voice Memos, and iCloud Drive.

Local stdio MCP server that mirrors the public Gmail MCP server tool surface while calling the Gmail REST API directly, enabling email management tasks like creating drafts, searching threads, and managing labels.

Enables local automation of classic Outlook for Windows via COM, allowing email search, folder listing, calendar leave block creation, and contact/recipient management without needing cloud APIs or admin approval.

A local, privacy-first MCP server that automatically tracks entry-level tech job openings and upcoming USA tech conferences and emails you a clean HTML digest on a smart schedule.

Enables MCP clients to search, read, and inspect Apple Mail on macOS, including conversations and attachments. It can create new, reply, reply-all, or forward drafts, but cannot send or modify existing messages.

Provides Claude with Gmail capabilities including sending emails, managing drafts, and searching messages.

MCP server for value-first cold outreach to local service businesses, enabling personalized cold email generation and lead scoring.

Provides a dummy SMTP server for catching emails during development, with MCP tools to list, retrieve, and manage received messages.

Reads and searches local email archives (.mbox or .eml) with full MIME parsing, enabling queries about senders, subjects, dates, and bodies while keeping all data on your machine.

An MCP server that exposes a local notmuch email database to an LLM client such as Claude. It is read-first: searching, reading, and understanding mail is always available; writing anything (drafts, tags, exported files) requires an explicit opt-in flag and is confined to clearly bounded locations.

Enables MCP clients to read and search Proton Mail and create draft-only emails with attachments through the local Proton Mail Bridge, while requiring out-of-band human approval before a draft can be committed.

Provides a minimal Microsoft 365 MCP server with fourteen hand-written tools for email, people, and drafts, designed to fit small local models.

Local MCP server for Hey.com email - read, search, send, reply, and manage the screener via stored session cookies. Runs over stdio, stores no credentials.

A local MCP server that gives Claude read/write access to a personal Hotmail/Outlook.com mailbox via the Microsoft Graph API, exposing tools for listing, searching, sending, and drafting emails.

Baryon connects MCP-compatible AI assistants to Proton Mail through a local bridge, enabling email search, reading, attachment handling, and draft creation while enforcing deliberate permission limits. It runs locally and cannot send, delete, or modify mail.

Enables AI assistants to manage multiple Outlook/Microsoft 365 mailboxes simultaneously through MCP tools, with local OAuth token storage.

MCP server that gives AI coding agents access to ProtonMail via Proton Bridge, enabling secure search, read, draft, and send of emails while keeping decrypted mail local.