"Slow thinking, distributed thinking, and reasoning abilities research" matching MCP servers:

A read-only Gmail MCP server that searches email, fetches complete threads, and stores them as local Markdown and JSON for offline analysis by other agents.

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.

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.

Enables AI-driven customer support ticket processing, including classification, response generation, and automated email sending and Google Sheets logging.

Outbound sales agent for Claude Code. MCP server handles prospect list building, dedup, quotas, and structured rejection feedback, while the plugin runs per-prospect research, email writing, Gmail sending, and reply tracking. Open source, self-hostable.

Enables AI assistants to query and manage email deliverability data — bounces, complaints, suppressions, delivery stats, and campaigns — across multiple providers like AWS SES, SendGrid, Mailgun, and Postmark.

Provides email discovery, verification, enrichment, and company research through a remote MCP server.

An open-source project for a local iCloud Mail MCP integration. Currently provides only contribution and quality foundations, with Apple Mail access and MCP features deferred.

Enables AI agents and Telegram bots to read and send Gmail messages via MCP with OAuth authentication.

A minimal MCP server for reading, searching, managing, and sending email over IMAP and SMTP.

MCP server to interact with Google Gmail and Calendar APIs. Supports multiple accounts, email search and drafting, and calendar event 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.

MCP server for reading, searching, sending, and managing emails via IMAP/SMTP, with tools like list_emails, read_email, search_emails, send_email, get_attachment, get_account_info, and mark_email_read.

A standardized MCP server for managing Gmail, including sending, drafting, labels, threads, and settings via OAuth2 authentication.

Enables MCP-compatible LLM clients to manage a Listmonk instance end-to-end through its full REST API, covering subscribers, campaigns, lists, templates, media, bounces, imports, settings, transactional messages, and admin functions, with selective tool loading for a leaner context.

MCP server for reading and sending emails via IMAP and SMTP, designed for Zimbra and any standard mail host.

Enables AI clients like Cursor to send emails via Resend, supporting multiple recipients, subjects, and HTML bodies, with configuration through environment variables.

Enables sending, reading, and managing Gmail emails through MCP clients like Claude, supporting both App Password and OAuth2 authentication, with features like listing unread emails, archiving, and using Mustache templates.

A local email server for AI assistants that enables sending transactional and marketing emails with template management, recipient groups, and automatic consent flow handling.