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How to connect ComPDF to Claude

Connect Claude Web, Desktop and Cowork to ComPDF MCP. Extract structured invoice data from pdfs, redact personal data across contract pdfs, and more using natural language, with authentication handled for you.

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ComPDF is a global cloud API that converts, generates, edits, parses, and extracts data from documents. It speeds document workflows with reliable, scalable document processing.

19 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your ComPDF account to Claude via Composio Connect, enabling it to extract structured invoice data from PDFs, redact personal data across contract PDFs, convert scanned receipts to searchable text, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate ComPDF with

ChatGPT WorkHermes

Connecting ComPDF to Claude Web, Desktop, and Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

4. Connect your ComPDF account

Back in Claude, ask it to connect to ComPDF or give it any ComPDF-related task.

For example, ask Claude to:

  • "Extract structured invoice data from PDFs"
  • "Redact personal data across contract PDFs"
  • "Convert scanned receipts to searchable text"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your ComPDF account is ready to use.

What is the ComPDF Claude Connector, and what's possible with it?

The ComPDF MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your ComPDF account. It provides structured and secure access so your agent can perform ComPDF operations on your behalf.

Troubleshooting

1. Why does Claude not use the Composio connector for ComPDF?

The connector can show as connected, but Claude must use it in each ComPDF conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to ComPDF again.

2. Why does Claude show an MCP server error before ComPDF connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for ComPDF.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect ComPDF.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the ComPDF authorization link not work?

The Composio connector is one server. Your ComPDF account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the ComPDF connection.
  • Composio creates a fresh ComPDF authorization link.
  • Open that link in your browser and finish the ComPDF sign-in.

4. Why do ComPDF actions fail after they worked before?

The ComPDF connection can expire or lose permission.

  • Ask Claude to inspect the ComPDF connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the ComPDF account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in ComPDF.
  • If the action still fails with a permission error, check that the connected account has that permission in ComPDF itself.

5. How do I switch to a different ComPDF account?

Claude can manage the ComPDF connection for you.

  • Ask Claude to disconnect or delete the current ComPDF account.
  • Ask Claude to connect ComPDF again.
  • Open the new Composio authorization link for ComPDF.
  • Sign in with the other ComPDF account in the browser.
  • After the account connects, ask Claude to retry the ComPDF task.

6. Why is my ComPDF connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your ComPDF connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If ComPDF tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect ComPDF.
TOOLS

Supported Tools

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

Add PDF Watermark

Add a text or image watermark to selected pages of one PDF.

Compress PDF

Compress one PDF with typed document and image optimization controls.

Convert Document

Convert one PDF, office document, text file, CSV, HTML file, RTF file, or image to a supported output format, synchronously or as an asynchronous task.

Convert PDF Standard

Convert one PDF to a supported PDF/A, PDF/X-4, or PDF/E-1 standard using the required ICC color profile.

Convert PDF to PDF/UA

Convert one PDF to the PDF/UA-1 accessibility standard, optionally embedding a document title and language.

Decrypt PDF

Decrypt one password-protected PDF.

Delete PDF Pages

Create a new PDF with selected pages removed.

Encrypt PDF

Encrypt one PDF with at least a user password or owner password and optional permission controls.

Extract Document Fields

Extract one fixed field schema from an uploaded document with ComPDF.

Extract PDF Pages

Extract selected pages from one PDF into a new PDF.

Get Account Quota

Return available and withheld ComPDF processing balances for the connected project account.

Get Task

Get the current status, aggregate counts, and per-file results for one ComPDF processing task.

List Supported Operations

List the document-processing operation routes currently advertised by ComPDF.

List Tasks

Return one page of processing-task history for the connected ComPDF project.

Parse Document

Run ComPDF's full intelligent parsing on one uploaded document.

Remove PDF Watermark

Remove tagged or untagged watermarks from selected pages of one PDF.

Rotate PDF Pages

Rotate selected pages in one PDF by 90, 180, or 270 degrees.

Split PDF

Split selected pages from one PDF into separate files in a ZIP archive.

Wait For Task

Poll a ComPDF processing task at a safe interval until it finishes, expires, fails, or reaches a caller-supplied timeout.

FRAMEWORKS

How to build ComPDF MCP Agent with another framework

ChatGPT Work logo

ChatGPT Work

Use ComPDF MCP with ChatGPT Work

Hermes logo

Hermes

Use ComPDF MCP with Hermes

FAQ

Frequently asked questions

With a standalone ComPDF MCP server, the agents and LLMs can only access a fixed set of ComPDF tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from ComPDF and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork 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 ComPDF tools.

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

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