How to integrate Apilio MCP with Codex

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

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Apilio is a home automation platform that lets you connect and control smart devices from different brands. It helps you build flexible automations with complex conditions, schedules, and integrations.

8 Tools

Introduction

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

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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 1000+ 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 Apilio MCP in Codex

Run the setup command

Run this command in your terminal to add the Composio MCP server to Codex.

Terminal

It will initiate the authentication in a browser window, authorize Codex to access your Composio account.

Composio authentication page

(Optional) Authenticate with OAuth

To authenticate manually, run the login command to open a browser window and authorize Codex to access your Composio account.

bash
codex mcp login composio

Verify the connection

Run codex mcp list to confirm Composio appears as a registered MCP server.

bash
codex mcp list

Codex App

Codex App follows the same approach as VS Code.

  1. Click ⚙️ on the bottom left → MCP Servers → + Add servers → Streamable HTTP:
  2. Fill the header and Key fields with { "x-consumer-api-key" = "ck_*******" }.
  3. The Key is the Composio API key, that you can find on dashboard.composio.dev
  4. Click on Authenticate and authorize Codex to your Composio account and you're all set.
Codex App MCP setup
  1. Restart and verify if it's there in .codex/config.toml
bash
[mcp_servers.composio]
url = "https://connect.composio.dev/mcp"
http_headers = { "x-consumer-api-key" = "ck_*******" }

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

The Apilio MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Apilio account. It provides structured and secure access to your smart home variables, conditions, and automations, so your agent can perform actions like checking device states, evaluating logic, and managing automation variables on your behalf.

  • Monitor boolean device states: Instantly fetch and review all your boolean variables, so your agent can check if devices are on or off, active or inactive.
  • Track and evaluate automation conditions: Have your agent list and assess all available Apilio conditions, making it easy to troubleshoot or optimize home automation rules.
  • Access and analyze logicblocks: Let your agent retrieve your logicblocks to understand, manage, or trigger complex automations across your connected devices and services.
  • Review numeric variable values: Enable your agent to pull all numeric variables—like temperature, humidity, or energy usage—for smarter, context-aware automation decisions.
  • Manage string variables for messaging and triggers: Allow your agent to fetch and utilize string variables, supporting scenarios like status messages, custom notifications, or dynamic automation triggers.

Conclusion

You've successfully integrated Apilio with Codex using Composio's MCP server. Now you can interact with Apilio 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 Apilio operations
  • Managed authentication through Composio
  • Access to 20,000+ tools across 1000+ apps for cross-app workflows
  • CodeAct workbench for complex tool chaining

Next steps:

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

Supported Tools

Every Apilio action and event your agent gets out of the box.

Get Boolean Variables

Tool to fetch all boolean variables.

Get Conditions

Retrieves all conditions from your Apilio account.

Get Logicblocks

Retrieves all logicblocks for the authenticated Apilio user.

Get Numeric Variables

Retrieves all numeric variables from your Apilio account with their current values and metadata.

Get String Variables

Tool to fetch all string variables.

List Time Conditions

Tool to fetch all time conditions of a user.

List Tuya Conditions

Tool to retrieve all Tuya conditions from your Apilio account.

List Variable Conditions

Tool to retrieve all variable conditions from your Apilio account.

FAQ

Frequently asked questions

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

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 Apilio tools.

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

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