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How to connect GitHub MCP with ChatGPT

Connect ChatGPT to GitHub MCP. List all open issues assigned to me, create pull request from your branch, and more using natural language, with authentication handled for you.

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GitHub MCP is GitHub's managed API surface for repositories, issues, pull requests, users, actions, projects, and notifications. Use it to let AI agents interact with your code and project data securely and at scale.

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How to connect GitHub MCP with ChatGPT

ChatGPT can take action across your apps and files, stay with a project for hours, and turn a goal into finished materials like sheets, slides, and docs, not just answers.

In this guide, I will explain the easiest and most secure way to connect your GitHub account to ChatGPT via Composio Connect, so it can manage your repositories, create and triage issues, open pull requests, review code, and run Actions workflows through natural language commands without ever putting your account credentials at risk.

Also integrate GitHub MCP with

Claude CoworkHermesAtomic Agent

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's GitHub integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,500+ 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

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 GitHub to ChatGPT

1. Install the Composio plugin

Click the button. ChatGPT opens the Composio plugin page. Click Install plugin.

Install in ChatGPT

Composio plugin page in ChatGPT with the Install plugin button

You can also find it inside ChatGPT: go to Settings, open Plugins, search the marketplace for Composio, and click Install plugin.

2. Authenticate

After you install, ChatGPT asks you to authenticate with Composio. Log in and click Allow access to authorize ChatGPT to use your Composio account.

Composio login and Allow access screen for ChatGPT

3. Start using Composio

That is it. Composio tools are now available in ChatGPT. Type @Composio followed by your request, for example @Composio find unread GitHub messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize GitHub.

Option 2: Add Composio as an MCP server

If you cannot use the plugin marketplace, add Composio as a custom MCP server instead.

1. Open the MCP settings

In ChatGPT, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate on the Composio entry, log in via Composio, and click Allow access. Composio tools are then available in ChatGPT the same way as with the plugin.

What you can do after connecting GitHub

  • List all open issues assigned to me
  • Create pull request from your branch
  • Merge pull request after CI passes

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 GitHub MCP action and event your agent gets out of the box.

Add comment to pending review

Add review comment to the requester's latest pending pull request review.

Add issue comment

Add a comment and/or reaction to a specific issue or issue comment in a GitHub repository.

Add reply to pull request comment

Add a reply and/or reaction to an existing pull request comment.

Create branch

Create a new branch in a GitHub repository

Create or update file

Create or update a single file in a GitHub repository.

Create pull request

Create a new pull request in a GitHub repository.

Create repository

Create a new GitHub repository in your account or specified organization

Delete file

Delete a file from a GitHub repository

Fork repository

Fork a GitHub repository to your account or specified organization

Get commit

Get details for a commit from a GitHub repository

Get file contents

Get the contents of a file or directory from a GitHub repository

Get label

Get a specific label from a repository.

Get latest release

Get the latest release in a GitHub repository

Get me

Get details of the authenticated GitHub user.

Get release by tag

Get a specific release by its tag name in a GitHub repository

Get tag

Get details about a specific git tag in a GitHub repository

Get team members

Get member usernames of a specific team in an organization.

Get teams

Get details of the teams the user is a member of.

Issue read

Get information about a specific issue in a GitHub repository.

Issue write

Create a new or update an existing issue in a GitHub repository.

List branches

List branches in a GitHub repository

List commits

Get list of commits of a branch in a GitHub repository.

List issue fields

List issue fields for a repository or organization.

List issues

List issues in a GitHub repository.

List issue types

List supported issue types for a repository or its owner organization.

List pull requests

List pull requests in a GitHub repository.

List releases

List releases in a GitHub repository

List repository collaborators

List collaborators of a GitHub repository.

List tags

List git tags in a GitHub repository

Merge pull request

Merge a pull request in a GitHub repository.

Pull request read

Get information on a specific pull request in GitHub repository.

Pull request review write

Create and/or submit, delete review of a pull request.

Push files

Push multiple files to a GitHub repository in a single commit

Request copilot review

Request a GitHub Copilot code review for a pull request.

Run secret scanning

Scan files, content, or recent changes for secrets such as API keys, passwords, tokens, and credentials.

Search code

Fast and precise code search across ALL GitHub repositories using GitHub's native search engine.

Search commits

Search for commits across GitHub repositories using GitHub's commit search syntax.

Search issues

Search issues using natural-language semantic matching.

Search pull requests

Search for pull requests in GitHub repositories using issues search syntax already scoped to is:pr

Search repositories

Find GitHub repositories by name, description, readme, topics, or other metadata.

Search users

Find GitHub users by username, real name, or other profile information.

Sub issue write

Add a sub-issue to a parent issue in a GitHub repository.

Update pull request

Update an existing pull request in a GitHub repository.

Update pull request branch

Update the branch of a pull request with the latest changes from the base branch.

FRAMEWORKS

How to build GitHub MCP Agent with another framework

Claude Cowork logo

Claude Cowork

Use GitHub MCP with Claude Cowork

Hermes logo

Hermes

Use GitHub MCP with Hermes

Atomic Agent logo

Atomic Agent

Use GitHub MCP with Atomic Agent

FAQ

Frequently asked questions

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

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

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