Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Payhip 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 Payhip without Auth hassles
We manage OAuth, API Key, token refresh, and scopes, you just build.
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Also integrate Payhip 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 Payhip 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 dashboard.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 Payhip MCP server, and what's possible with it?
The Payhip MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Payhip account. It provides structured and secure access to your Payhip store’s events and transactions, so your agent can respond to new purchases, handle refunds, and manage customer subscriptions automatically.
- Automated purchase handling: Let your agent detect and process completed sales in real time, enabling instant actions or notifications when a customer makes a purchase.
- Refund event response: Have your agent react to payment refunds, updating records or informing support teams as soon as a refund is issued.
- Subscription management automation: Empower your agent to handle new subscription signups by processing Payhip's subscription.created events for seamless onboarding or customer engagement.
- Subscription cancellation detection: Ensure your agent responds immediately to subscription.deleted events, so you can trigger follow-ups or update your CRM when a customer cancels their subscription.
Supported Tools & Triggers
Tools
Conclusion
You've successfully integrated Payhip with Codex using Composio's MCP server. Now you can interact with Payhip 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 Payhip 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 Payhip operations
- Explore cross-app workflows by connecting more toolkits
- Build automation scripts that leverage Codex's AI capabilities
How to build Payhip MCP Agent with another framework
Explore Other Toolkits
FAQ
What are the differences in Tool Router MCP and Payhip MCP?
With a standalone Payhip MCP server, the agents and LLMs can only access a fixed set of Payhip tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Payhip 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 Payhip tools.
Can I manage the permissions and scopes for Payhip while using Tool Router?
Yes, absolutely. You can configure which Payhip 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 Payhip data and credentials are handled as safely as possible.
