How to integrate Userflow MCP with Codex

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Introduction

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Userflow MCP integration, you can draft, triage, summarise emails, and much more, all without leaving the terminal or app, whichever you prefer.

Composio removes the Authentication handling completely from you. We handle the entire integration lifecycle, and all you need to do is just copy the URL below, authenticate inside Codex, and start using it.

Why use Composio?

Apart from a managed and hosted MCP server, you will get:

  • CodeAct: A dedicated workbench that allows GPT to write its code to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool responses: Handle them to minimise context rot.
  • Dynamic just-in-time access to 20,000 tools across 870+ other Apps for cross-app workflows. It loads the tools you need, so GPTs aren't overwhelmed by tools you don't need.

How to install Userflow MCP in Codex

Codex CLI

Run the command in your terminal.

Terminal

This will auto-redirect you to the Rube authentication page.

Rube authentication redirect page

Once you're authenticated, you will be able to access the tools.

Verify the installation by running:

codex mcp list

If you otherwise prefer to use config.toml, add the following URL to it. You can get the bearer token from rube.app → Use Rube → MCP URL → Generate token

[projects."/home/user/composio"]
trust_level = "untrusted"

[mcp_servers.rube]
bearer_token_env_var = "your bearer token"
enabled = true
url = "https://rube.app/mcp"

Codex in VS Code

If you have installed Codex in VS Code.

Then: ⚙️ → MCP Settings → + Add servers → Streamable HTTP:

Add the Rube MCP URL: https://rube.app/mcp and the bearer token.

VS Code MCP Settings

To verify, click on the Open config.toml

Open config toml in Codex

Make sure it's there:

[mcp_servers.composio_rube]
bearer_token_env_var = "your bearer token"
enabled = true
url = "https://rube.app/mcp"

Codex App

Codex App follows the same approach as VS Code.

  1. Click ⚙️ on the bottom left → MCP Servers → + Add servers → Streamable HTTP:
Codex App MCP Settings
  1. Restart and verify if it's there in .codex/config.toml
[mcp_servers.composio_rube]
bearer_token_env_var = "your bearer token"
enabled = true
url = "https://rube.app/mcp"
  1. Save, restart the extension, and start working.

What is the Userflow MCP server, and what's possible with it?

The Userflow MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Userflow account. It provides structured and secure access so your agent can perform Userflow operations on your behalf.

Supported Tools & Triggers

Tools
Create or Update a GroupTool to create a new group or update an existing group (also referred to as companies in the Userflow UI).
Create or Update a UserTool to create a new user or update an existing user in Userflow.
Delete a Content SessionTool to permanently delete a content session including its associated progress and survey answers.
Delete a GroupTool to permanently delete a group including all their attributes, memberships and events.
Delete a UserTool to permanently delete a user including all their attributes, memberships, events and flow history.
Get a Content ObjectTool to retrieve details of a specific content object (flow, checklist, or launcher) by ID.
Get a Content VersionTool to retrieve details of a specific content version by ID.
Get a GroupTool to retrieve details of a specific group (company) by group_id.
Get a UserTool to retrieve details of a specific user by user_id.
List Attribute DefinitionsTool to retrieve all attribute definitions for users and groups tracked by Userflow.
List ContentTool to retrieve all content (flows, checklists, and launchers) in your Userflow account.
List Content SessionsTool to retrieve all content sessions tracking user interactions with content.
List Content VersionsTool to retrieve all versions of content including survey questions and checklist tasks.
List Event DefinitionsTool to retrieve all event definitions tracked in Userflow.
List GroupsTool to retrieve all groups (companies) in your Userflow account with pagination and filtering support.
List UsersTool to retrieve a paginated list of all users.
Remove a User from a GroupTool to remove a user from a group (group membership).
Track an EventTool to record a custom event for a user or group for analytics and personalization.

Conclusion

You've successfully integrated Userflow with Codex using Composio's Rube MCP server. Now you can interact with Userflow directly from your terminal, VS Code, or the Codex App using natural language commands.

Key benefits of this setup:

  • Seamless integration across CLI, VS Code, and standalone app
  • Natural language commands for Userflow operations
  • Managed authentication through Composio's Rube
  • Access to 20,000+ tools across 870+ apps for cross-app workflows
  • CodeAct workbench for complex tool chaining

Next steps:

  • Try asking Codex to perform various Userflow operations
  • Explore cross-app workflows by connecting more toolkits
  • Build automation scripts that leverage Codex's AI capabilities

How to build Userflow MCP Agent with another framework

OpenAI Agents SDK

OpenAI Agents SDK

Use Userflow MCP with OpenAI Agents SDK

Claude Agent SDK

Claude Agent SDK

Use Userflow MCP with Claude Agent SDK

Google ADK

Google ADK

Use Userflow MCP with Google ADK

LangChain

LangChain

Use Userflow MCP with LangChain

Vercel AI SDK

Vercel AI SDK

Use Userflow MCP with Vercel AI SDK

Mastra AI

Mastra AI

Use Userflow MCP with Mastra AI

LlamaIndex

LlamaIndex

Use Userflow MCP with LlamaIndex

CrewAI

CrewAI

Use Userflow MCP with CrewAI

Claude Code

Claude Code

Use Userflow MCP with Claude Code

FAQ

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

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

Can I use Tool Router MCP with Codex?

Yes, you can. Codex 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 Userflow tools.

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

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

Used by agents from

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

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