# How to connect PDF Blocks MCP with ChatGPT Work ```json { "title": "How to connect PDF Blocks MCP with ChatGPT Work", "toolkit": "PDF Blocks", "toolkit_slug": "pdf_blocks", "framework": "ChatGPT Work", "framework_slug": "chatgpt", "url": "https://composio.dev/toolkits/pdf_blocks/framework/chatgpt", "markdown_url": "https://composio.dev/toolkits/pdf_blocks/framework/chatgpt.md", "updated_at": "2026-09-09T05:40:29.736Z" } ``` ## Introduction ### How to connect PDF Blocks MCP with ChatGPT Work [ChatGPT Work](https://openai.com/chatgpt-work/) is an agent inside ChatGPT built for your most ambitious work. It takes action across your apps and files, stays with a project for hours, and turns a goal into finished materials like sheets, slides, and docs - not just answers. In this guide, I will explain the easiest and most secure way to connect your PDF Blocks account to ChatGPT Work via Composio Connect, so it can merge your PDFs, split documents, add watermarks, secure files, and reorder pages through natural language commands without ever putting your account credentials at risk. ## Also integrate PDF Blocks with - [Claude Cowork](https://composio.dev/toolkits/pdf_blocks/framework/claude-cowork) - [Hermes](https://composio.dev/toolkits/pdf_blocks/framework/hermes-agent) ## TL;DR ### Why use Composio over default connectors? - Apps with read and write access. Default connectors mostly can read your data. Composio's PDF Blocks integration lets ChatGPT Work take actions like creating drafts, sending updates, labeling records, and more. - 1,500+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce. - One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app. - Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand. - Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation. ## Connect PDF Blocks to ChatGPT Work ### Prerequisites - A ChatGPT account with access to ChatGPT Work (rolling out across Pro, Enterprise, Edu, Plus, and Business plans). We will use the [ChatGPT desktop app](https://openai.com/chatgpt/download/), which is available on every plan. - Access to the PDF Blocks workspace you want to connect. - [Composio MCP](https://dashboard.composio.dev/login?utm_source=toolkits&utm_medium=framework_template&utm_campaign=chatgpt&utm_content=composio_connect&next=%2F~%2Forg%2Fconnect%2Fclients%2Fchatgpt). Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account. ### Step-by-step: Connect PDF Blocks to ChatGPT Work ### 1. Open the MCP settings In ChatGPT Work, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab. ### 2. Add the server Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL: ```bash https://connect.composio.dev/mcp ``` ## What is the PDF Blocks MCP server, and what's possible with it? The PDF Blocks MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your PDF Blocks account. It provides structured and secure access so your agent can perform PDF Blocks operations on your behalf. ## Supported Tools | Tool slug | Name | Description | |---|---|---| | `PDF_BLOCKS_ADD_IMAGE_WATERMARK` | Add Image Watermark | Add a PNG or JPEG image as a watermark on all or selected PDF pages. | | `PDF_BLOCKS_ADD_PASSWORD` | Add PDF Password | Create an encrypted copy of a PDF that requires a password to open. | | `PDF_BLOCKS_ADD_RESTRICTIONS` | Add PDF Restrictions | Create an encrypted PDF copy with explicit permissions for copying, editing, printing, forms, assembly, and accessibility. Permissions are allowed by default; set an allow_* parameter to false to restrict that capability. | | `PDF_BLOCKS_ADD_TEXT_WATERMARK` | Add Text Watermark | Add up to three styled text lines as a watermark on all or selected PDF pages. | | `PDF_BLOCKS_EXTRACT_PAGES` | Extract PDF Pages | Create a PDF containing selected source pages in their original order. | | `PDF_BLOCKS_MERGE_PDFS` | Merge PDFs | Merge PDF files into one PDF in the exact order provided. | | `PDF_BLOCKS_REMOVE_PAGES` | Remove PDF Pages | Create a PDF with selected pages removed while preserving the remaining page order. | | `PDF_BLOCKS_REMOVE_PASSWORD` | Remove PDF Password | Create an unencrypted copy of a password-protected PDF using its current password. | | `PDF_BLOCKS_REMOVE_RESTRICTIONS` | Remove PDF Restrictions | Create a PDF copy with permission restrictions cleared. | | `PDF_BLOCKS_REMOVE_SIGNATURES` | Remove PDF Signatures | Create a PDF copy with all digital signatures and timestamps removed. | | `PDF_BLOCKS_REORDER_PAGES` | Reorder PDF Pages | Create a PDF in an exact page order, optionally dropping or repeating source pages. | | `PDF_BLOCKS_REVERSE_PAGES` | Reverse PDF Pages | Create a PDF with the complete page order reversed. | | `PDF_BLOCKS_ROTATE_PAGES` | Rotate PDF Pages | Rotate all or selected PDF pages by a supported multiple of 90 degrees. | | `PDF_BLOCKS_SPLIT_PDF_AT_PAGE` | Split PDF at Page | Split a PDF into exactly two downloadable PDFs at a page boundary; the selected page starts the second PDF. | | `PDF_BLOCKS_SPLIT_PDF_BY_PAGE_COUNT` | Split PDF by Page Count | Split a PDF into consecutive downloadable PDFs containing up to a fixed number of pages each. | | `PDF_BLOCKS_SPLIT_PDF_BY_PAGE_GROUPS` | Split PDF by Page Groups | Create one downloadable PDF for each caller-defined ordered group of source pages. | | `PDF_BLOCKS_SPLIT_PDF_BY_SIZE` | Split PDF by Size | Split a PDF into downloadable PDFs no larger than a requested byte limit. | ## Supported Triggers None listed. ## Creating MCP Server - Stand-alone vs Composio SDK Once connected, ChatGPT Work can access the PDF Blocks MCP server via Composio to run actions that you authorize, directly in your workspace. ## Complete Code None listed. ## How to build PDF Blocks MCP Agent with another framework - [Claude Cowork](https://composio.dev/toolkits/pdf_blocks/framework/claude-cowork) - [Hermes](https://composio.dev/toolkits/pdf_blocks/framework/hermes-agent) ## Related Toolkits - [Google Drive](https://composio.dev/toolkits/googledrive) - Google Drive is a cloud storage platform for uploading, sharing, and collaborating on files. It's perfect for keeping your documents accessible and organized across devices. - [Google Docs](https://composio.dev/toolkits/googledocs) - Google Docs is a cloud-based word processor that enables document creation and real-time collaboration. Its seamless sharing and version history make team editing and content management a breeze. - [Google Super](https://composio.dev/toolkits/googlesuper) - Google Super is an all-in-one suite combining Gmail, Drive, Calendar, Sheets, Analytics, and more. It gives you a unified platform to manage your digital life, boosting productivity and organization. - [ActiveMerge](https://composio.dev/toolkits/active_merge) - ActiveMerge is a document automation platform for generating documents, images, merged files, and e-signature workflows. It helps teams turn templates and stored files into finished, shareable documents faster. - [Affinda](https://composio.dev/toolkits/affinda) - Affinda is an AI-powered document processing platform that automates data extraction from resumes, invoices, and more. It streamlines document-heavy workflows by turning files into structured, actionable data. - [Agility cms](https://composio.dev/toolkits/agility_cms) - Agility CMS is a headless content management system for building and managing digital experiences across platforms. It lets teams update content quickly and deliver omnichannel experiences with ease. - [Airparser](https://composio.dev/toolkits/airparser) - Airparser is an AI-powered parser for extracting structured data from emails, documents, PDFs, and files. It turns messy inbound content into clean fields your apps and workflows can use. - [Algodocs](https://composio.dev/toolkits/algodocs) - Algodocs is an AI-powered platform that automates data extraction from business documents. It delivers fast, secure, and accurate processing without templates or manual training. - [Api2pdf](https://composio.dev/toolkits/api2pdf) - Api2Pdf is a REST API for generating PDFs from HTML, URLs, and documents using powerful engines like wkhtmltopdf and Headless Chrome. It streamlines document conversion and automation for developers and businesses. - [Aryn](https://composio.dev/toolkits/aryn) - Aryn is an AI-powered platform for parsing, extracting, and analyzing data from unstructured documents. Use it to automate document processing and unlock actionable insights from your files. - [Boldsign](https://composio.dev/toolkits/boldsign) - Boldsign is a digital eSignature platform for sending, signing, and tracking documents online. Organizations use it to automate agreements and manage legally binding workflows efficiently. - [Boloforms](https://composio.dev/toolkits/boloforms) - BoloForms is an eSignature platform built for small businesses, offering unlimited signatures, templates, and forms. It simplifies digital document signing and team collaboration at a predictable, fixed price. - [Box](https://composio.dev/toolkits/box) - Box is a cloud content management and file sharing platform for businesses. It helps teams securely store, organize, and collaborate on files from anywhere. - [Box MCP](https://composio.dev/toolkits/box_mcp) - Box MCP is Box's hosted MCP server that exposes enterprise files, folders, and metadata. It provides secure, centralized access to corporate content for search and management. - [Carbone](https://composio.dev/toolkits/carbone) - Carbone is a blazing-fast report generator that turns JSON data into PDFs, Word docs, spreadsheets, and more using flexible templates. It lets you automate document creation at scale with minimal code. - [Castingwords](https://composio.dev/toolkits/castingwords) - CastingWords is a transcription service specializing in human-powered, accurate transcripts via a simple API. Get seamless audio-to-text conversion for interviews, meetings, podcasts, and more. - [CertSeal](https://composio.dev/toolkits/cert_seal) - CertSeal is an API platform for issuing and managing verifiable digital certificates. Use it to automate trusted certificate workflows for recipients, batches, designs, and webhooks. - [Cloudconvert](https://composio.dev/toolkits/cloudconvert) - CloudConvert is a powerful file conversion service supporting over 200 file formats. It streamlines converting, compressing, and managing documents, media, and more, all in one place. - [Cloudlayer](https://composio.dev/toolkits/cloudlayer) - Cloudlayer is a document and asset generation service for creating PDFs and images via API or SDKs. It lets you automate high-quality doc creation, saving dev time and reducing manual work. - [CloudPDF](https://composio.dev/toolkits/cloud_pdf) - CloudPDF is an API platform for creating, uploading, managing, and sharing PDF documents. Use it to build secure PDF workflows with webhooks, share links, and access control. ## Frequently Asked Questions ### What are the differences in Tool Router MCP and PDF Blocks MCP? With a standalone PDF Blocks MCP server, the agents and LLMs can only access a fixed set of PDF Blocks tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from PDF Blocks and many other apps based on the task at hand, all through a single MCP endpoint. ### Can I use Tool Router MCP with ChatGPT Work? Yes, you can. ChatGPT Work 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 PDF Blocks tools. ### Can I manage the permissions and scopes for PDF Blocks while using Tool Router? Yes, absolutely. You can configure which PDF Blocks 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 PDF Blocks data and credentials are handled as safely as possible. --- [See all toolkits](https://composio.dev/toolkits) ยท [Composio docs](https://docs.composio.dev/llms.txt)