"Understanding Claude AI's Reasoning and Thinking Ability" matching MCP servers:

A Gmail MCP server that enables Claude to send, search, and read emails using either Gmail API or SMTP/IMAP backend.

Enables Claude to read, search, send, and organize email over IMAP/SMTP and to manage calendars over CalDAV, including finding free slots and creating events, across multiple self-hosted accounts behind one authenticated endpoint.

Local MCP server for reading/sending email via Gmail and managing Google Calendar events, enabling an AI agent to handle email and calendar operations through natural language.

Enables Claude to send emails via Microsoft Graph, with preview and confirmation steps.

A MCP server for Claude that reads Outlook emails its attachments through the Microsoft Graph API.

Diagnoses a domain's email authentication — SPF, DMARC, DKIM, MX, blacklists and domain or SSL expiry - and returns copy-paste fix records generated by a validating engine, never a language model. The MCP server is hosted remotely; this repository carries the plugin manifest, connector config and bundled skill.

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 Claude Code to search, retrieve, and draft email replies using real Microsoft 365 inbox context, with executive-style profiles and one-click publishing.

Enables Claude Desktop to interact with MailInApp projects, campaigns, and contacts. Allows designing and reading interactive email results with explicit confirmation for sending real campaigns.

Connects multiple Gmail and Google Calendar accounts to Claude Desktop locally, enabling email management (search, send, draft, label) and calendar operations (list events, search) via 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 accessing Gmail tools (search, read, draft) for a specific Google account via MCP, designed as a custom connector for Claude/Cowork to use alongside a different Google account.

A local MCP server that connects multiple Google accounts to Claude Desktop, enabling unified email search and send, calendar events, and full CRUD on Google Docs, Sheets, and Forms.

Connect multiple Gmail accounts to any MCP client, enabling search, read, draft, send, label, and organize mail across unlimited accounts with local-only OAuth token storage.

MCP server that gives AI agents the ability to send, read, and search email via Gmail.

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 to interact with Google Mail, Docs, Sheets, and Tasks through natural language.

A read-only MCP server that lets ChatGPT search and read a Proton Mail account through Proton Mail Bridge. It provides mailbox listing, mail search, and single-message retrieval without the ability to send, modify, or delete email.

An MCP server for Gmail that enables downloading attachments and creating drafts with file attachments, without the ability to send emails.