How to integrate Telegram MCP with ChatGPT

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How to integrate Telegram 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 Telegram 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 Telegram with

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Telegram 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 Telegram 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 Telegram 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 Telegram

  • Send a welcome message to new group members
  • Forward latest announcement to all admins
  • Get total member count of your group
  • Edit yesterday’s pinned message in channel

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.

Supported Tools & Triggers

Tools
Answer Callback QueryUse this method to send answers to callback queries sent from inline keyboards.
Delete MessageDelete a message, including service messages, with certain limitations.
Edit MessageEdit text messages sent by the bot.
Export Chat Invite LinkGenerate a new primary invite link for a chat; any previously generated primary link is revoked.
Forward MessageForward messages of any kind.
Get Chat InfoGet up to date information about the chat (current name of the user for one-on-one conversations, current username of a user, group or channel, etc.
Get Chat AdministratorsGet a list of administrators in a chat.
Get Chat HistoryGet chat history messages.
Get Chat Members CountGet the number of members in a chat.
Get Bot InfoGet basic information about the bot using the bot api getme method.
Get UpdatesUse this method to receive incoming updates using long polling.
Send DocumentSend general files (documents) to a telegram chat using the bot api.
Send LocationSend point on the map location to a telegram chat using the bot api.
Send MessageSend a text message to a telegram chat using the bot api.
Send PhotoSend photos to a telegram chat using the bot api.
Send PollSend a native poll to a telegram chat using the bot api.
Set Bot CommandsUse this method to change the list of the bot's commands.

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FAQ

What are the differences in Tool Router MCP and Telegram MCP?

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

Can I use Tool Router MCP with ChatGPT?

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 Telegram tools.

Can I manage the permissions and scopes for Telegram while using Tool Router?

Yes, absolutely. You can configure which Telegram 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.

How safe is my data with Composio Tool Router?

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 Telegram data and credentials are handled as safely as possible.

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Letta
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Agent.ai
Altera
DataStax
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Context
Letta
glean
HubSpot
Agent.ai
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DataStax
Entelligence
Rolai

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