"Official GitHub Website or Account" matching MCP servers:

Enables local, read-only access to multiple Gmail and Google Drive accounts through explicit per-account aliases, using bring-your-own Google OAuth with secure credential storage and no telemetry or write capabilities.

A local MCP server that manages multiple Gmail accounts simultaneously, allowing MCP clients to switch between accounts per request without logging out or in. It securely stores OAuth tokens in the macOS Keychain.

Enables Claude to access and manage multiple Google accounts at once across Gmail, Calendar, Drive, Contacts, and Tasks, with unified search and document text extraction.

A local-first MCP server for managing multiple Gmail accounts with separate OAuth grants, supporting search, retrieval, labels, drafts, and attachments while deferring direct send and destructive actions for safety.

Enables natural language interaction with multiple Google accounts (Gmail, Drive, Calendar) from MCP-compatible clients like Claude.

Enables AI agents to manage the Regent website's Supabase backend, including content publishing, job applications, lead management, analytics, and transactional email sends.

Multi-account Google MCP server providing read access to Gmail and Calendar via stdio. Supports secure authentication for personal and work accounts with OAuth and keychain token storage.

Enables Claude Desktop to interact with multiple Gmail accounts via MCP, providing tools for sending, searching, reading, labeling, filtering, thread management, drafts, and attachments. It also ensures correct thread replies and recoverable deletes.

Enables AI agents to generate temporary email addresses, receive emails, and automatically extract OTP codes and links from incoming messages for automation and testing workflows.

Connects multiple Gmail and Google Calendar accounts to Claude Desktop locally, enabling email management (search, send, draft, label) and calendar operations (list events, search) via natural language.

A local MCP server that connects multiple Gmail and Google Calendar accounts to Claude Desktop, enabling email and calendar management across accounts.

A local MCP server that connects multiple Google accounts to Claude Desktop, enabling unified email search and send, calendar events, and full CRUD on Google Docs, Sheets, and Forms.

Enables Claude.ai and Claude Code to read and write a single Gmail mailbox, including search, drafts, sending, and label management.

A local MCP server that gives Claude access to multiple Gmail accounts simultaneously for search, read, draft, send, label, and a scheduled cross-inbox digest, with enforced send policies per mailbox.

Enables AI agents to manage multiple Google accounts with persistent sessions and anti-detect browser fingerprints, supporting sign-in, account switching, Gmail access, and interaction with any Google SSO website.

Gives an agent (like Claude) complete control over a Gmail or Google Workspace account via IMAP/SMTP using an app password, without needing OAuth.

Local MCP server providing Gmail tools (search, read, draft, send, trash) via Google's official API, integrated with GitHub Copilot CLI.

A free MCP server providing 13 tools for email verification, domain intelligence, and website analysis with no API keys required.

Enables accessing Gmail tools (search, read, draft) for a specific Google account via MCP, designed as a custom connector for Claude/Cowork to use alongside a different Google account.

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.