"Integrating Claude Code CLI, Gemini CLI, and Codex CLI for Collaborative Functionality" matching MCP servers:

Provides an AI agent with its own email address to send, receive, and manage emails via MCP. No email server setup required.

Register free *.pntr.dev subdomains and manage them from your AI assistant — DNS records, wildcard DNS, disposable email inboxes, and HTTP request capture for webhook debugging. 15 tools over stdio; hosted endpoint also available.

Give AI agents full read/write email access through Mozilla Thunderbird. Zero credentials touch the agent — all IMAP/SMTP stays in Thunderbird. 12 MCP tools, 38 CLI commands, signed Thunderbird 128+ extension. Tested at 22 accounts / 249k messages.

MCP server for managing cold email campaigns, leads, email accounts, sequences, analytics, webhooks, and client sub-accounts via the Smartlead API.

Deprecated MCP server wrapper for ms365-email-cli that exposes Microsoft 365 email operations (list, read, send, reply, search, etc.) as MCP tools. Use the main ms365-email-cli package instead, which now includes built-in MCP server support.

Enables AI agents to read and manage publications, newsletters, subscriptions, automations, analytics, polls, referral programs, tiers, podcast feeds, and webhooks through 117 tools with guarded write actions. It supports private account credentials and includes a companion CLI and desktop extension.

Provides read-only access to Apple Mail.app emails, accounts, and folders by directly reading the local SQLite database.

Google Workspace from the terminal: 401 methods across 14 Google APIs (Gmail, Calendar, Drive, Docs, Sheets, Chat, Tasks…) in one generated command tree, plus an MCP server (grr mcp) exposing the same surface as typed tools — zero-config release binaries, JSON on stdout, HTTP/3 with honest fallback.

MCP interface for smbCloud

Exposes 38 tools that let AI agents search and read Gmail, draft and send messages, find and export Drive files, and work with Sheets, Docs, Slides, Calendar, Tasks, Forms and Contacts. It routes everything through Google's official Workspace CLI, so the user's own credential is created locally and never leaves their machine.

Enables AI agents to read, verify, and submit testimonials in a private Testimonial.to Space, including separate customer-consent handling for text and video imports, requested email invitations, and reviewed ordered batches. Also supports previewing exact tasks and exporting one bounded private array of testimonials.

Enables AI agents to search, read, and compose Gmail, manage Drive files and Google Docs/Sheets/Slides, handle Calendar events and Tasks, and access Forms and Contacts using the official Workspace CLI, with credentials staying on the user's machine.

Enables users to read and manage newsletter account data through the Kit API v4, covering subscribers, tags, broadcasts, sequences, snippets, statistics, and signed webhooks from natural-language MCP clients.

Enables AI agents and terminal clients to manage subscribers, draft campaigns, workflows, custom fields, webhooks, and private account profiles with shared read/write safeguards.

Enables ChatGPT and Codex to interact with Zoho Mail through Zoho's official MCP service, with safe workflows and capability boundaries.

A collection of small MCP servers for macOS automation that expose Apple Mail, MoneyMoney, and Spotlight functionality as tools via AppleScript and command-line, enabling AI applications to search mail, manage contacts and transactions, and perform system-wide file searches through natural language.

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.

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

MCP server that encapsulates Apple Mail on macOS via AppleScript, enabling invoice PDF search, attachment saving, and message flagging through natural language.

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