How to integrate Zoho mail MCP with ChatGPT

How to integrate Zoho mail MCP with ChatGPT ChatGPT is one of the most popular AI tools today, with capabilities ranging from deep research and image generation to writing, coding, and everyday productivity. In this guide, I will explain the easiest and most secure way to connect your Zoho mail account to ChatGPT via Composio Connect, so it can summarize unread updates from this morning, create draft replies to urgent messages, fetch contact details for recent senders, and more without ever putting your account credentials at risk.

Get started for freeGet a demo
Zoho mail logoZoho mail
Oauth2

Zoho Mail is a secure and ad-free email hosting platform with collaboration features. It helps businesses communicate efficiently while maintaining privacy and administrative control.

15 Tools

How to integrate Zoho mail MCP with ChatGPT

ChatGPT is one of the most popular AI tools today, with capabilities ranging from deep research and image generation to writing, coding, and everyday productivity.

In this guide, I will explain the easiest and most secure way to connect your Zoho mail account to ChatGPT via Composio Connect, so it can summarize unread updates from this morning, create draft replies to urgent messages, fetch contact details for recent senders, and more without ever putting your account credentials at risk.

Also integrate Zoho mail with

OpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenCodeCursorVS CodeOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Zoho mail integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,000+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

  • A ChatGPT account with Plus subscription or higher (Business, Enterprise, Edu, or Pro). We will use ChatGPT Web.
  • Access to the Zoho mail workspace you want to connect.
  • Composio MCP.

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect Zoho mail to ChatGPT

1. Enable Developer Mode

In ChatGPT, go to Settings > Apps > Advanced settings and turn on Developer Mode.

ChatGPT settings showing Developer Mode toggle

2. Add the MCP server

Click Create app, then paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT create app flow with Composio MCP URL

3. Authorize in your browser

A browser window will open automatically. Sign in to authorize ChatGPT to access your Composio account.

Composio authorization screen for ChatGPT MCP setup

4. Start using Composio

Composio tools are now available in ChatGPT chats and Deep Research. In every new chat, click the + icon at the bottom, click More, and select Composio to enable tools for that conversation.

What you can do after connecting Zoho mail

  • Send a follow-up email to yesterday's meeting attendees
  • List unread emails from your manager
  • Schedule a calendar event from an email
  • Archive all newsletters received this week

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.
TOOLS

Supported Tools

Every Zoho mail action and event your agent gets out of the box.

List Zoho Mail Accounts

Retrieves all Zoho Mail accounts associated with the authenticated user.

Domain Operations

Tool to perform domain operations like verify, set primary domain, hosting, aliases, MX/SPF checks, DKIM management, and notifications.

Get All Bookmarks

Tool to retrieve all personal bookmarks from a Zoho Mail account.

Delete Groups in Bulk

Delete multiple groups in a single API call.

Delete Group

Tool to delete a specific mail group by its zgid.

Create Email Draft

Tool to create and save an email draft in Zoho Mail without sending it.

Get Message Content

Tool to retrieve the full content/body of a specific Zoho Mail email.

List Emails

Tool to retrieve a list of emails from a Zoho Mail account folder.

Reply to Email

Tool to reply to an existing email via Zoho Mail API.

Send Email

Tool to send an email via Zoho Mail API.

Get Organization User Storage Details

Tool to retrieve storage details for a specific user in the organization.

Update Organization Spam Process Type

Tool to update organization spam processing type.

Update User Storage

Updates a user's storage allocation within a Zoho Mail organization.

Search Messages

Tool to search emails in a Zoho Mail account using Zoho's searchKey syntax.

Update Group Settings

Tool to update group settings.

FRAMEWORKS

How to build Zoho mail MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Zoho mail MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Zoho mail MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Zoho mail MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Zoho mail MCP with Claude Cowork

Codex logo

Codex

Use Zoho mail MCP with Codex

Cursor logo

Cursor

Use Zoho mail MCP with Cursor

OpenClaw logo

OpenClaw

Use Zoho mail MCP with OpenClaw

Hermes logo

Hermes

Use Zoho mail MCP with Hermes

CLI logo

CLI

Use Zoho mail MCP with CLI

Google ADK logo

Google ADK

Use Zoho mail MCP with Google ADK

LangChain logo

LangChain

Use Zoho mail MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Zoho mail MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Zoho mail MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Zoho mail MCP with LlamaIndex

CrewAI logo

CrewAI

Use Zoho mail MCP with CrewAI

OpenCode logo

OpenCode

Use Zoho mail MCP with OpenCode

VS Code logo

VS Code

Use Zoho mail MCP with VS Code

FAQ

Frequently asked questions

With a standalone Zoho mail MCP server, the agents and LLMs can only access a fixed set of Zoho mail tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Zoho mail and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. ChatGPT fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Zoho mail tools.

Yes, absolutely. You can configure which Zoho mail scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Zoho mail data and credentials are handled as safely as possible.

Start with Zoho mail.It takes 30 seconds.

Managed auth, hosted MCP servers, and every Zoho mail tool your agent needs.Free to start.

Start building
Customer stories

Teams ship real agents on Composio

GET STARTED FOR FREEBOOK A DEMO
agent.aiZoomLettaGleanHubSpotAWSWabi

Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati
Harsha Gaddipati
Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

Abhi Arya
Abhi Arya
Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

Nirman Dave
Nirman Dave
CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

Ryan Yu
Ryan Yu
Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

Tomisin Jenrola
Tomisin Jenrola
Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Jerome Leclanche
Jerome Leclanche
Co-Founder, Ingram Technologies