How to integrate Nozbe Teams 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 Nozbe Teams 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 Nozbe Teams 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 Nozbe Teams MCP server, and what's possible with it?

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

Supported Tools & Triggers

Tools
Create AttachmentTool to add attachment metadata to a comment.
Create CommentTool to add a comment to a task in Nozbe Teams.
Create Project SectionTool to create a new project section in Nozbe Teams.
Create ReminderTool to add a reminder to a task in Nozbe Teams.
Create Tag AssignmentTool to add a tag assignment to a task.
Create TaskTool to create a new task in Nozbe Teams.
Create Team MemberTool to add a team member in Nozbe Teams.
Create UserTool to create a new placeholder user in Nozbe Teams.
Delete CommentTool to permanently delete a comment by its ID.
Delete ProjectTool to delete a project in Nozbe Teams by its ID.
Delete ReminderTool to delete a reminder by its unique ID.
Delete Tag AssignmentTool to delete a tag assignment by its ID.
Delete TaskTool to delete a task in Nozbe Teams by its ID.
Get AttachmentTool to get attachment metadata by its ID.
Get Comment by IDTool to retrieve a comment by its ID from Nozbe Teams.
Get Project by IDTool to retrieve a project by its ID from Nozbe Teams.
Get Project AccessTool to retrieve project access details by ID.
Get Project SectionTool to retrieve a project section by ID from Nozbe Teams.
Get ReminderTool to get a reminder by ID from Nozbe Teams.
Get TagTool to get a tag by ID from Nozbe Teams.
Get Tag AssignmentTool to retrieve a tag assignment by its ID.
Get Task by IDTool to retrieve a task by its ID from Nozbe Teams.
Get Task EventTool to get a task event by ID.
Get Team by IDTool to retrieve a team by its ID from Nozbe Teams.
Get Team Member by IDTool to retrieve a team member by ID from Nozbe Teams.
Get User by IDTool to retrieve a user by their ID from Nozbe Teams.
List Comment AttachmentsTool to get all attachments related to a specific comment in Nozbe Teams.
List CommentsTool to get accessible comments with optional filtering by task_id and pagination support.
List Group AssignmentsTool to get accessible group assignments from Nozbe Teams.
List Project AccessesTool to get accessible project accesses in Nozbe Teams.
List Project GroupsTool to get accessible project groups from Nozbe Teams.
List ProjectsTool to retrieve accessible projects with optional filtering.
List Project SectionsTool to retrieve accessible project sections with optional filtering.
List RemindersTool to get accessible reminders from Nozbe Teams.
List Tag AssignmentsTool to get accessible tag assignments with optional filtering by tag_id or task_id.
List TagsTool to get accessible tags from Nozbe Teams.
List Task EventsTool to get accessible task events from Nozbe Teams.
List TasksTool to retrieve accessible tasks from Nozbe Teams.
List UsersTool to retrieve accessible users from Nozbe Teams.
Poll for new tasksTool to poll for new tasks created since the last call.
Poll Updated TasksTool to poll for tasks that have been updated since the last call.
Update CommentTool to update an existing comment in Nozbe Teams.
Update ProjectTool to update a project in Nozbe Teams.
Update Project AccessTool to update project access permissions in Nozbe Teams.
Update TaskTool to update a task in Nozbe Teams.
Update TeamTool to update a team in Nozbe Teams.
Update Team MemberTool to update a team member in Nozbe Teams.
Update UserTool to update a user in Nozbe Teams.

Conclusion

You've successfully integrated Nozbe Teams with Codex using Composio's Rube MCP server. Now you can interact with Nozbe Teams 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 Nozbe Teams 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 Nozbe Teams operations
  • Explore cross-app workflows by connecting more toolkits
  • Build automation scripts that leverage Codex's AI capabilities

How to build Nozbe Teams MCP Agent with another framework

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LlamaIndex

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Claude Code

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Use Nozbe Teams MCP with Claude Code

FAQ

What are the differences in Tool Router MCP and Nozbe Teams MCP?

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

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

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

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