"Remote MCP servers without authentication" matching MCP servers:

Enables Claude mobile and claude.ai to access your Spark Desktop mailbox by exposing the official Spark MCP server over authenticated Streamable HTTP, with safety gates for read-only and send permissions.

Enables AI clients to interact with Google services (Gmail, Calendar, Drive, Tasks, YouTube, Contacts) via OAuth-authenticated Cloudflare Workers, allowing actions like sending emails, managing events, and searching files.

Exposes news search and top headlines via GNews API, plus simulated email tools for sending and retrieving emails.

Gives Claude access to Microsoft 365 mail, calendar, files, and Teams chat with per-user identity via On-Behalf-Of flow. Supports reading and drafting content, but sending is deliberately disabled.

Give AI agents their own email inboxes. Create, send, receive, and manage email entirely via MCP tools.

Enables Gmail label management with tools to list, create, delete labels, and modify labels on messages and threads, handling OAuth2 authentication automatically.

Read-only MCP server that connects to multiple IMAP accounts, enabling cross-account email listing, search, and retrieval without modifying mailboxes.

A read-only MCP server that connects to Proton Mail via Proton Bridge, enabling AI assistants to search, list, and read emails securely without leaving your machine.

Enables AI agents to interact with an OVH Exchange mailbox via EWS and NTLM authentication, including searching, reading, sending, replying to, and forwarding emails, as well as managing folders and attachments.

Local-first MCP server for agents that need to work across multiple Gmail and Microsoft 365 accounts without cloud token storage.

MCP server that enables AI agents to search and read locally-archived emails via the Bichon email archiver API, without exposing Gmail or IMAP credentials.

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.

MCP server for Claude to access on-premises Outlook/Exchange mailboxes via EWS with NTLM authentication, providing tools for email, calendar, and contact management without relying on Microsoft 365 or Graph API.

Enables searching, reading, moving, tagging, and linking emails in MailMate via MCP tools, allowing Claude to manage email without leaving the conversation.

MCP server that enables email management (send, read, search, delete, etc.) via IMAP/SMTP, compatible with Gmail, Outlook, Yahoo, iCloud, and other standard mail servers.

An MCP server that reads across all your Gmail accounts from one connection, enabling searching, drafting, labeling, and filtering emails without sending.

Gmail MCP server for searching, reading, and sending mail over MCP.

Enables reading Gmail emails through the Model Context Protocol, supporting listing, searching, and retrieving email details with OAuth 2.0 authentication.

An MCP server for Microsoft Graph email that uses $filter instead of $search, allowing filtered email searches with sorting. It reuses the existing email-mcp authentication and provides tools for searching, listing folders, and retrieving email content.

A local MCP server for searching and reading downloaded Apple Mail data without changing mail state.