How to integrate Happy scribe 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 Happy scribe MCP integration, you can draft, triage, summarise emails, and much more, all without leaving the terminal or the app, whichever you prefer.

Also integrate Happy scribe with

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 Happy scribe 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 connect.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 Happy scribe MCP server, and what's possible with it?

The Happy Scribe MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Happy Scribe account. It provides structured and secure access to your transcription and subtitle services, so your agent can perform actions like starting new transcriptions, generating subtitles, exporting files, and managing your transcription jobs on your behalf.

  • Automated transcription creation: Instantly start new transcription jobs from audio or video files using a simple agent command.
  • Subtitle generation for videos: Have your agent generate accurate subtitles for your video content for accessibility and localization.
  • Export and download transcripts or subtitles: Let your agent export completed transcriptions or subtitles in various formats for easy distribution.
  • Account and usage monitoring: Retrieve account details, subscription status, and API usage statistics to keep tabs on your service limits.
  • Transcription management and cleanup: Direct your agent to delete completed or unwanted transcription jobs, keeping your workspace organized.

Supported Tools & Triggers

Tools
Create SubtitleTool to generate subtitles for a video file by creating a transcription with the is_subtitle flag.
Create TranscriptionTool to initiate a new transcription job using a publicly accessible or signed URL.
Create Translation TaskTool to create a translation task for a transcription (deprecated).
Delete TranscriptionTool to delete a transcription job.
Delete WebhookTool to delete a specific webhook.
Export SubtitleTool to export subtitle in the requested format.
Get Account DetailsTool to retrieve details about your account, including subscription status and usage statistics.
Get Supported LanguagesTool to retrieve supported language codes and names.
Get API Rate LimitTool to retrieve current API rate limits.
Confirm OrderTool to confirm a pending order.
Create Translation OrderTool to create a translation order from an existing transcription.
Delete Subtitle JobTool to delete a specific subtitle job.
Export TranscriptionTool to export transcription results in various formats.
Get API VersionTool to retrieve current API version and check for updates.
Get Error CodesTool to fetch a list of API error codes and their descriptions.
Get SubtitleTool to retrieve the details and status of a specific subtitle job using its unique identifier.
Get Supported FormatsTool to retrieve supported file formats.
Get Transcription DetailsTool to retrieve details and status of a specific transcription job.
Get WebhooksTool to retrieve a list of webhooks configured for your account.
List SubtitlesTool to list subtitle jobs for an organization.
Retrieve ExportTool to retrieve information about a specific export.
Retrieve Translation TaskTool to retrieve a translation task by ID (deprecated).
List TranscriptionsTool to list all transcription jobs for an organization with optional filters.
Retrieve OrderTool to retrieve an order by ID.

Conclusion

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

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FAQ

What are the differences in Tool Router MCP and Happy scribe MCP?

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

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

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

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