"MCP Toolkittest Software or Utility" matching MCP servers:

Lets AI agents send email over SMTP and read, search, and manage email over IMAP or POP3 using app passwords or authorization codes, with attachment handling and support for common providers.

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

Provides a standardized interface for interacting with Unipile's tools and services through a unified API.

Enables interaction with Microsoft Outlook through a unified API, supporting tools for email, calendar, and contacts management via natural language.

Exposes Gmail inbox actions (list, archive, label) as MCP tools via a browser extension and local bridge, without requiring the Gmail API or OAuth.

An MCP server for Mailchimp that allows listing, copying, creating draft campaigns, pushing HTML content, and sending test emails via Claude Code or any MCP client, with no send/schedule capability to prevent accidental blasts.

An MCP server that gives AI agents full read and organizational access to multiple Gmail accounts — and no ability to send, trash, or delete mail.

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 a standardized interface for interacting with Mailchimp's tools and services through the Model Context Protocol, enabling easy management of Mailchimp campaigns, audiences, and reports via natural language commands.

Enables AI assistants to read and draft emails across multiple Gmail accounts at once, with strict safeguards that prevent sending, deleting, or modifying mailbox settings.

A secure, read-only Gmail investigation tool that provides both CLI and MCP server access, enabling Claude to search, read, and export emails without sending or modifying them.

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

Enables interaction with the Klaviyo API for marketing automation, including managing lists, campaigns, and customer data.

Enables sending single or batch emails via the Postmark API through an MCP server.

Enables reading and sending emails via IMAP and SMTP through the MCP protocol. Supports multiple email accounts and configuration via UI or environment variables.

Enables searching and reading Gmail messages, listing labels, and creating email drafts without sending or deleting emails.

A security-hardened Gmail MCP server for Claude Code that supports reading, labeling, archiving, and drafting emails, but cannot send or delete.

A read-only Gmail MCP server enabling users to search and read emails via Gmail search syntax without sending, deleting, or modifying anything.

MCP server providing full control over Outlook.com, Hotmail, Live, or Microsoft 365 email via Microsoft Graph API, enabling reading, searching, sending, and managing messages and folders securely.

Enables sending emails and managing email delivery through Resend's API, allowing users to compose and send emails using natural language.