"Two agents working simultaneously" matching MCP servers:

Gives AI agents a self-hosted Cloudflare mailbox they can use to receive, search, wait for, read, send, reply to and forward email, with attachments and threads, over MCP or REST behind a single bearer token.

Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.

MCP server for SentVia that provides email infrastructure for AI agents, enabling them to create inboxes, send, reply, forward, search messages, manage drafts, domains, webhooks, and allow/block rules through 21 tools.

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

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

Connects AI assistants to multiple Gmail accounts simultaneously, enabling search, read, draft, send, and reply operations with per-account permission controls.

Enables AI assistants to manage multiple Gmail accounts simultaneously with built-in OAuth authentication, supporting email reading, sending, drafts, labels, and account management.

Connects AI agents to self-hosted Stalwart mail servers via a Cloudflare Worker and JMAP, enabling mailbox search, reading, listing, and two-step draft-and-send email operations through MCP.

Enables searching and summarizing emails across multiple Gmail accounts simultaneously through Claude.

Enables Claude to query and read across multiple Gmail accounts simultaneously through one connector, searching with Gmail syntax, fetching full threads, and creating drafts without ever sending. It also supports scheduled routines that scan all accounts for deadlines and notify the owner via WhatsApp webhooks.

Lets Claude Desktop manage multiple Gmail accounts simultaneously, supporting search, read, send, reply, and label organization via MCP tools.

A Cloudflare Workers-based MCP server that connects Gmail to AI assistants, enabling search, read, send, reply-all, forward, and management of messages, drafts, labels, and threads across multiple Google accounts simultaneously.

Enables an AI assistant to access and search across multiple Gmail inboxes simultaneously, allowing unified management of work, personal, and other email accounts through a single MCP server.

Enables controlling Yahoo Mail from Claude in plain English — read, search, organize, delete, and send emails, with a two-phase confirmation step to prevent accidental destructive actions.

Deployable MCP server on Cloudflare Workers that connects Gmail to AI assistants, enabling search, read, send, reply-all, forward, attachment handling, and label/thread management across multiple Google accounts simultaneously.

Connects Gmail to AI assistants via the MCP protocol, enabling search, read, send, and manage emails across multiple Google accounts simultaneously.

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.

A read-only MCP server that lets Claude read and search emails from Thunderbird accounts and access contacts, working directly with profile files.

Enables AI agents to send emails and manage tasks in Microsoft To Do with scoped, low-risk access to Microsoft Graph.

MCP server that enables AI agents to check if email addresses or domains are disposable using the isitdisposable.com API. It provides tools like check_email, check_domain, and check_batch for real-time validation.