How to integrate Conversion tools MCP with ChatGPT

How to integrate Conversion tools 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 Conversion tools 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.

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Conversion Tools is an online service for converting documents between formats such as PDF, Word, Excel, XML, and CSV. It lets you automate complex document workflows with just a few clicks.

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How to integrate Conversion tools 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 Conversion tools 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 Conversion tools 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 Conversion tools 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 Conversion tools 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 Conversion tools 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 Conversion tools

  • Convert your Excel file to clean CSV
  • Export a website as a PDF snapshot
  • Extract text from this Word document
  • Turn uploaded JPG receipt into structured JSON

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 Conversion tools action and event your agent gets out of the box.

Convert Excel to HTML

Convert an Excel (.

Convert Word to Text

Convert Word documents (.

Create Conversion Task

Tool to create a new conversion task.

Download Converted File

Download a converted file from the Conversion Tools API using its file ID.

Get Auth Info

Tool to get information about the authenticated user including email address.

Get Conversion Config

Tool to get available conversion types and their configuration.

Get File Info

Tool to get metadata about a file including size, name, and preview (for text files).

Get Task Status

Tool to get the status of a conversion task.

List Conversion Tasks

Get all tasks for the authenticated user (up to 50 most recent tasks).

Update Task Retention

Tool to update the retention mode for a task.

Upload File

Upload a file to the ConversionTools API for subsequent conversion operations.

FRAMEWORKS

How to build Conversion tools MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Conversion tools MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Conversion tools MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Conversion tools MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Conversion tools MCP with Claude Cowork

Codex logo

Codex

Use Conversion tools MCP with Codex

Cursor logo

Cursor

Use Conversion tools MCP with Cursor

OpenClaw logo

OpenClaw

Use Conversion tools MCP with OpenClaw

Hermes logo

Hermes

Use Conversion tools MCP with Hermes

CLI logo

CLI

Use Conversion tools MCP with CLI

Google ADK logo

Google ADK

Use Conversion tools MCP with Google ADK

LangChain logo

LangChain

Use Conversion tools MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Conversion tools MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Conversion tools MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Conversion tools MCP with LlamaIndex

CrewAI logo

CrewAI

Use Conversion tools MCP with CrewAI

OpenCode logo

OpenCode

Use Conversion tools MCP with OpenCode

VS Code logo

VS Code

Use Conversion tools MCP with VS Code

FAQ

Frequently asked questions

With a standalone Conversion tools MCP server, the agents and LLMs can only access a fixed set of Conversion tools tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Conversion tools 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 Conversion tools tools.

Yes, absolutely. You can configure which Conversion tools 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 Conversion tools data and credentials are handled as safely as possible.

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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.

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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.

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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.

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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.

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Co-Founder, Ingram Technologies