"Enhancing Prompt Engineering with MCP" matching MCP servers:

MCP server for Claude Code CLI that integrates with Google Workspace, enabling management of Docs, Sheets, Drive, Gmail, Calendar, and Apps Script.

A comprehensive MCP server integrating Google Docs, Sheets, Drive, Gmail, Calendar, and Apps Script APIs, featuring unique Apps Script support for AI-driven automation.

MCP server that exposes Gmail and SAP tools, enabling natural-language email management and SAP data browsing through a Mistral-powered AI assistant.

Provides MCP tools for searching, reading, and drafting Gmail emails, as well as querying SAP OData endpoints with safe read operations and mock mode.

▎ Check an email before an AI agent sends it: send / ask a human / block — with machine reason codes and prompt-injection detection.

Gives AI agents their own email address with inbound parsing, classification, extraction, and prompt injection screening, plus tools to manage mailboxes, send/receive emails, and handle draft approval workflows.

A secure email gateway MCP server that protects AI agents from prompt injection attacks by scanning emails for malicious instructions before they reach the agent.

An email operating system for AI agents that provides safe triage, drafting, and searching of emails with unbypassable hard-stops on money, banking changes, first-contact senders, and prompt injection.

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

Sends engineering progress and human approval emails via SMTP, reads replies over IMAP, and tracks approval decisions through MCP tools.

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.

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.

Let your AI assistant create professional Office documents — PowerPoint, Word, Excel, emails & XML — with a single prompt.

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

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

Provides a standardized interface for interacting with Google Mail tools and services through the Model Context Protocol, enabling email management via natural language.

Aggregates MCP tools for remote control, email, system monitoring, and web search, enabling AI to interact with external systems.

MCP server for human-reviewed Zoho Mail inbox triage. It uses a two-pass proposal/execution model to propose actions (move, archive, mark-read) without touching the inbox until a human approves, and treats email content as untrusted data to prevent prompt injection.

Enables MCP agents to deliver emails and SMS texts to the signed-in user only, with recipients cryptographically locked to the caller's Entra identity. It prevents prompt-injection attacks by ensuring agents cannot send to any other recipient.