"Open-Source MCP Server in Python with PostgreSQL and OAuth 2.0" matching MCP servers:

A self-hostable Gmail MCP server that enables Gmail search/read, sending, replies, drafts, labels, and attachment downloads via MCP tools with OAuth authorization. Supports stdio and streamable HTTP transports.

Enables Claude to read, search, send, and manage email across multiple IMAP/SMTP accounts through OAuth 2.1-secured MCP tools.

Enables desktop AI agents to manage email through MCP with a single account setup, OS keyring credentials, enforced read/draft/manage permissions, client onboarding helpers, and a credential-free demo.

MCP server for Claude Code CLI that integrates with Google Workspace, enabling management of Docs, Sheets, Drive, Gmail, Calendar, and Apps Script.

Enables ChatGPT to search, read, send, and organize email in a self-hosted inbox through private MCP tools.

An MCP server that exposes Google Docs and Gmail capabilities to LLMs via SSE transport.

Provides MCP tools for searching, reading, and drafting Gmail emails, as well as querying SAP OData endpoints with safe read operations and mock mode.

A Python-based MCP server for Microsoft Outlook integration using Microsoft Graph API, enabling email reading/sending, calendar management, and contact operations through Claude Desktop.

An MCP-compliant server that exposes Gmail and Google Docs as tools, enabling AI agents to draft, send, and manage emails, as well as create, read, and append to documents through natural language.

Enables AI agents to create temporary email inboxes and wait for OTPs, magic links, or password reset emails via AgentTemp's API, useful for automation and verification workflows.

A comprehensive MCP server integrating Google Docs, Sheets, Drive, Gmail, Calendar, and Apps Script APIs, featuring unique Apps Script support for AI-driven automation.

A high-performance MCP server that enables AI assistants to interact with Gmail securely via OAuth 2.0, supporting smart email retrieval and thread-aware drafting.

A Python-based MCP server for Microsoft 365 Outlook email operations using OAuth 2.0 Client Credentials Flow, enabling automated email management for autonomous agents.

A server enabling appending text to Google Docs and creating Gmail drafts via OAuth 2.0 with manual approval.

A Model Context Protocol-style server using FastAPI that integrates Google Docs and Gmail via official Google APIs with OAuth 2.0 and interactive terminal-based human-in-the-loop approval.

Enables appending text to Google Docs and creating Gmail drafts via OAuth 2.0.

Enables managing multiple Gmail accounts under one OAuth client, with per-account access levels, cross-account search, and read/write operations via stdio or Streamable HTTP.

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

Enables MCP-compatible AI agents to create Gmail drafts, send Gmail email, and append text to Google Docs while keeping OAuth tokens inside the server.

An MCP server that provides full email management for Yahoo Mail via IMAP, including tools to list, read, search, delete, archive, flag, and move emails, with secure OAuth authentication and support for local and remote deployments.