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How to connect WorkOS with ChatGPT

Connect ChatGPT to WorkOS MCP. Sync new users from okta directory, create invitation links for pending users, and more using natural language, with authentication handled for you.

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WorkOS is an enterprise identity and user management API for directory sync, connections, invitations, and users. Use it to centralize SSO, provisioning, and directory synchronization across providers.

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How to connect WorkOS 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 WorkOS account to ChatGPT via Composio Connect, so it can sync directories, manage users, create connections and invitations, provision your users, and query user profiles through natural language commands without ever putting your account credentials at risk.

Also integrate WorkOS 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 WorkOS 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 WorkOS 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 WorkOS messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize WorkOS.

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 WorkOS

  • Sync new users from Okta directory
  • Create invitation links for pending users
  • List all connected identity providers and statuses

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 WorkOS action and event your agent gets out of the box.

Create Organization

Create a WorkOS organization in the connected environment.

Create Organization Membership

Grant an AuthKit user active membership in an organization.

Create User

Create a passwordless AuthKit user record in the connected WorkOS environment.

Delete Organization

Permanently delete a WorkOS organization.

Delete Organization Membership

Permanently remove an organization membership and its access.

Delete User

Permanently delete an AuthKit user.

Get Connection

Get one WorkOS connection by ID.

Get Directory

Get one WorkOS Directory Sync directory by ID.

Get Directory Group

Get one WorkOS Directory Sync group by its exact group ID.

Get Directory User

Get one WorkOS Directory Sync user by exact ID, including identity-provider attributes, roles, and any groups returned by WorkOS.

Get Invitation

Get WorkOS AuthKit invitation status and metadata by invitation ID without exposing acceptance credentials.

Get Organization

Get one WorkOS organization by its WorkOS ID or external ID.

Get Organization Membership

Get one WorkOS AuthKit organization membership by ID.

Get User

Get one WorkOS AuthKit user by WorkOS ID or external ID.

List Connections

List one page of WorkOS SSO and OAuth connections, optionally filtered by connection type, domain, organization, or name.

List Directories

List one page of WorkOS Directory Sync directories, optionally filtered by organization, directory name, or domain.

List Directory Groups

List one page of WorkOS Directory Sync groups for a directory, a directory user, or both.

List Directory Users

List one page of WorkOS Directory Sync users for a directory or group, optionally filtering a directory by exact identity-provider ID or primary email.

List Invitations

List one page of WorkOS AuthKit invitations by organization or exact recipient email without exposing acceptance credentials.

List Organization Memberships

List one page of WorkOS AuthKit organization memberships for a specific organization or user, optionally including inactive or pending memberships.

List Organizations

List one page of WorkOS organizations, optionally filtered by domain or organization name.

List Users

List one page of WorkOS AuthKit users, optionally filtered by organization or exact email address.

Resend Invitation

Send another real invitation email to the existing recipient of a pending WorkOS AuthKit invitation.

Revoke Invitation

Revoke a pending AuthKit invitation so it can no longer be accepted.

Send Invitation

Create an AuthKit invitation and immediately send a real invitation email to the recipient.

Set Organization Membership Status

Activate or deactivate a WorkOS organization membership without deleting it.

Update Organization

Update selected properties of an existing WorkOS organization.

Update Organization Membership Roles

Replace the role assignment on an existing WorkOS organization membership.

Update User

Update selected profile fields on an AuthKit user without invoking email delivery flows.

FRAMEWORKS

How to build WorkOS MCP Agent with another framework

Claude Cowork logo

Claude Cowork

Use WorkOS MCP with Claude Cowork

Hermes logo

Hermes

Use WorkOS MCP with Hermes

Atomic Agent logo

Atomic Agent

Use WorkOS MCP with Atomic Agent

FAQ

Frequently asked questions

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

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

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