How to integrate Elai MCP with Codex

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Elai 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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Api Key

Elai is an AI video generation platform for presenter-led videos from text, templates, and uploaded media. Use it to create, personalize, translate, and render polished videos without a studio workflow.

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Introduction

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Elai 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 Elai 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 Elai MCP server, and what's possible with it?

The Elai MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Elai account. It provides structured and secure access to your presenter-led videos, templates, avatars, and narration tools, so your agent can create story videos, copy drafts, estimate speech duration, start renders, and track videos on your behalf.

  • Story video creation: Have your agent turn text, HTML, or a web page into a story video with generated visual slides that are ready to render.
  • Video drafting and rendering: Let the agent copy an existing video or template into a new draft, then start rendering when it is ready.
  • Video tracking and review: Direct your agent to list videos and templates, check rendering status, and retrieve finished video details and links.
  • Avatar and narration planning: Instruct your agent to explore available avatar variants and estimate how long narration will take with a selected voice.
  • Video cleanup: Have your agent permanently delete videos or templates you no longer need.

Conclusion

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

Supported Tools

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

Copy Video

Create a draft copy of an existing video or template; the new draft counts against Elai's creation quota.

Create Story Video

Create a Story video from text, HTML, or a web-page URL and generate its visual slides so it is ready for rendering.

Delete Video

Permanently delete one Elai video or template.

Estimate Speech Duration

Estimate how many seconds narration text will take with a selected Elai voice before modifying or rendering a video.

Get Video

Get a video's status, render URL, metadata, and optionally its full slide configuration.

List Avatars

Find available avatars and variants as compact records, optionally limited to Realtime-compatible avatars.

List Videos

List videos and templates as compact summaries, with filters and a continuation cursor for additional pages.

Render Video

Start asynchronous rendering of a prepared video, consuming paid rendering minutes.

FAQ

Frequently asked questions

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

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

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