How to integrate FileToPDF.dev MCP with Codex

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

FileToPDF.dev logoFileToPDF.dev
Api Key

FileToPDF.dev is an API for converting files, HTML, and Markdown into PDF documents. It helps you generate clean PDFs without building or managing a conversion stack.

4 Tools

Introduction

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

Also integrate FileToPDF.dev 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 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 FileToPDF.dev 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 FileToPDF.dev MCP server, and what's possible with it?

The FileToPDF.dev MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your FileToPDF.dev account. It provides structured and secure access to document conversion and account status, so your agent can turn files, HTML, and Markdown into PDFs, and check your remaining conversion credits on your behalf.

  • File URL conversion: Have your agent convert a file hosted at a public HTTPS URL into a downloadable PDF.
  • HTML document creation: Let the agent render an HTML string as a PDF you can download and share.
  • Markdown publishing: Direct your agent to turn GitHub-Flavored Markdown into a polished PDF document.
  • Account and credit checks: Instruct your agent to check your workspace plan, subscription status, and remaining conversion credits without using a credit.

Conclusion

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

Supported Tools

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

Convert File URL to PDF

Convert a file at a public HTTPS URL to PDF, consuming one conversion credit and returning a downloadable PDF.

Convert HTML to PDF

Render an HTML string as a PDF, consuming one conversion credit and returning a downloadable PDF.

Convert Markdown to PDF

Render a GitHub-Flavored Markdown string as a PDF.

Get Account Status

Return the connected FileToPDF workspace plan, subscription status, and remaining conversion credits without consuming a credit.

FAQ

Frequently asked questions

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

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

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