Guide to Zoho Mail MCP Server

Introduction to Model Context Protocol (MCP)

AI assistants like ChatGPT, Claude, Gemini, and Copilot are trained to understand human language, and designed to work alongside external applications to help you automate tasks and stay in context across your tools. But they cannot connect to these applications directly to retrieve data or execute actions. They need a standard protocol to communicate with them - one that allows them to retrieve data, send instructions, and keep workflows running smoothly.

Model Context Protocol (MCP) is a standardized communication framework that allows various AI assistants to interface with external applications, facilitating secure and structured data exchange and action execution across diverse tools and platforms.

The users using these applications can execute their custom workflows, without needing the technical expertise or the need to build a tool for the custom integration. With MCP, the users can connect to the multiple applications and execute integrated workflows, with just a series of prompts.

Zoho Mail MCP Server

Zoho MCP server provides a standard mode for AI assistants to connect with Zoho applications and understand the context. MCP is built on JSON-RPC 2.0, is a lightweight protocol used by systems to communicate with each other over the network using JSON.

Zoho Mail MCP server uses this protocol to access the Zoho Mail APIs hosted on a remote server. When AI agents like Claude, ChatGPT, and IDEs like VSCode and WindSurf integrate with MCP, they can securely access the Zoho Mail APIs using OAuth 2.0 protocol.

The following diagram shows how the Zoho Mail MCP server interacts with AI assistants to help you perform your tasks.

Understanding MCP Components

Host - The Host is the AI tool, agent or application like ChatGPT, Gemini that users interact with.

Client - The Client acts as a bridge between host and server. When a user enters a prompt, the host initiates a client to forward the request to the server.

Server - The Server provides access to external resources. The server contains internal components to process requests called primitives.

Primitives

• Resources - Used to fetch read only data. No actions are performed by them.
• Tools - Performs actions to execute workflows.
• Prompts - Prompts are structured templates that are populated based on the user input to process the request.

Zoho Mail Capabilities - Admin and User Tasks

Zoho Mail MCP server exposes the Zoho Mail API methods as tools for these AI assistants, and provides tools for both Administrators to manage their organization, and for the users to perform their everyday email management tasks.

Admin tasks

• Manage users and roles within an organization
• Setup permissions and access controls
• Configure and manage domains
• Define and enforce spam and security policies
• Manage organization level email settings
• Create, manage, and monitor user groups within an organization

User tasks

• Send, receive, and reply messages
• Create and manage labels, flags, and folders
• Mark emails as read, unread, spam or flagged
• Configure reply-to address, reply messages, and forwarding settings
• Update self signature, email sending, and profile details
• Create and manage personal, group tasks and categories