Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Doppler marketing automation MCP integration, you can draft, triage, summarise emails, and much more, all without leaving the terminal or the app, whichever you prefer.
Table of Contents
Connect Doppler marketing automation without Auth hassles
We manage OAuth, API Key, token refresh, and scopes, you just build.
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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 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 Doppler marketing automation MCP in Codex
Run the setup command
Run this command in your terminal to add the Composio MCP server to Codex.
It will initiate the authentication in a browser window, authorize Codex to access your Composio account.
(Optional) Authenticate with OAuth
To authenticate manually, run the login command to open a browser window and authorize Codex to access your Composio account.
Verify the connection
Run codex mcp list to confirm Composio appears as a registered MCP server.
Codex App
Codex App follows the same approach as VS Code.
- Click ⚙️ on the bottom left → MCP Servers → + Add servers → Streamable HTTP:
- Fill the header and Key fields with
{ "x-consumer-api-key" = "ck_*******" }. - The Key is the Composio API key, that you can find on connect.composio.dev
- Click on Authenticate and authorize Codex to your Composio account and you're all set.
- Restart and verify if it's there in
.codex/config.toml
What is the Doppler marketing automation MCP server, and what's possible with it?
The Doppler marketing automation MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Doppler marketing automation account. It provides structured and secure access to your campaigns, subscriber lists, and analytics, so your agent can create and manage lists, add or import subscribers, review campaign data, and analyze subscriber engagement on your behalf.
- Subscriber management and segmentation: Effortlessly add new subscribers, import contacts in bulk, and organize them into targeted lists for personalized outreach.
- Campaign insights and reporting: Retrieve detailed information about your email campaigns, monitor their status, and analyze performance metrics directly through your agent.
- List creation and maintenance: Create new subscriber lists, fetch existing lists, and clean up outdated lists to keep your database organized and effective.
- Individual and bulk subscriber lookup: Instantly fetch details for specific subscribers or get comprehensive overviews of all subscribers within a list for data-driven decisions.
- Unsubscribe and audit tracking: Easily track and audit removed subscribers to understand churn and maintain compliance with email best practices.
Supported Tools & Triggers
Conclusion
You've successfully integrated Doppler marketing automation with Codex using Composio's MCP server. Now you can interact with Doppler marketing automation 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 Doppler marketing automation 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 Doppler marketing automation operations
- Explore cross-app workflows by connecting more toolkits
- Build automation scripts that leverage Codex's AI capabilities










