How to integrate Pdf co MCP with Grok Build

Connect Grok Build to Pdf co MCP. Extract invoice data from uploaded pdf file, convert excel spreadsheet at url to json, and more from your terminal, with authentication handled for you.

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Pdf co is a secure API platform for PDF extraction, generation, editing, and more. It helps you automate document workflows at scale with ease and reliability.

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How to integrate Pdf co MCP with Grok Build

Grok Build is xAI's terminal coding agent. It runs on Grok 4.5, plans its work before it acts, and can run multiple sub-agents in parallel. It also reads Claude Code's MCP configuration, so any server you already have in a .mcp.json is picked up with no changes.

In this guide, I will show you how to connect your Pdf co account to Grok Build through Composio, so it can extract invoice data from uploaded PDF file, convert Excel spreadsheet at URL to JSON, generate a QR code for a payment link, and more without leaving the terminal. Composio holds the OAuth tokens for you, and Grok Build only calls the tools you approve.

Also integrate Pdf co with

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Why use Composio over a standalone MCP server?

  • Read and write access. Composio's Pdf co integration lets Grok Build take real actions like creating drafts, sending updates, and labeling records, not just reading data.
  • 1,000+ SaaS toolkits out of the box. One endpoint gives you a full catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Wire up a single Composio server instead of maintaining a separate MCP entry for each app.
  • Smart, context-aware tool loading. Grok Build caps how many tools it holds in a single request. Composio loads only the tools a task needs, so you do not spend that budget on tools you are not using.
  • Cross-app automation. Chain actions across apps in one run. Pull a thread, summarize it in Notion, and post the highlights to Slack from a single prompt.

Prerequisites

  • Grok Build installed and signed in. Install with curl -fsSL https://x.ai/cli/install.sh | bash on macOS or Linux, or irm https://x.ai/cli/install.ps1 | iex on Windows PowerShell. On first launch Grok opens a browser to authenticate; for headless or CI use, set an XAI_API_KEY environment variable instead (create the key at console.x.ai).
  • Access to the Pdf co account you want to connect.
  • The Composio MCP endpoint. Composio's server is remote and hosted, so there is nothing to run locally and no tunnel to set up.

Step-by-step: Connect Pdf co to Grok Build

1. Install and verify Grok Build

Install the CLI, then restart your shell so the grok binary lands on your PATH:

bash
curl -fsSL https://x.ai/cli/install.sh | bash
which grok

On Windows, install with PowerShell instead: irm https://x.ai/cli/install.ps1 | iex. If which grok returns a path, you are set. Grok Build runs on Grok 4.5 by default; you can switch models inside the session with /model <name>.

2. Add the Composio server

Add Composio as a remote HTTP MCP server with the grok mcp add command:

bash
grok mcp add --transport http composio https://connect.composio.dev/mcp

You can also add and manage servers from inside a session. Run /mcps to open the extensions modal on the MCP tab, then add a new server and paste the Composio URL. Added this way, Grok auto-detects the name from the URL and lists the server as connect:

bash
https://connect.composio.dev/mcp
Grok Build /mcps extensions modal listing MCP servers Grok Build adding the Composio MCP server with its URL

Grok also reads Claude Code-style config, so an entry in ~/.grok/config.toml or a project .mcp.json works the same way.

3. Authenticate

Composio uses OAuth. In the /mcps modal, select the Composio server and press i to authenticate (Grok also triggers this browser flow automatically the first time it uses a Composio tool). Click Allow to authorize access. Grok stores the tokens under ~/.grok/mcp_credentials.json, and /mcps shows Composio as connected.

Grok Build prompting to authenticate the Composio MCP server Composio authorization screen with the Allow button for Grok Build

4. Start building

Ask Grok to work with your Pdf co account through Composio. On the first Pdf co action, Composio prompts you to connect the account through OAuth. Approve the scopes once, and Composio handles token refresh from there.

What you can do after connecting Pdf co

  • Extract invoice data from uploaded PDF file
  • Convert Excel spreadsheet at URL to JSON
  • Generate a QR code for a payment link
  • Merge multiple PDF files into a single document

Security + privacy notes (important)

  • Use least-privilege access. Grant only the Pdf co scopes you actually need.
  • Review OAuth scopes before approving. Check that the requested scopes match what you expect Composio and Grok Build to do.
  • Keep write actions human-reviewed. Grok Build proposes a plan before it acts. Leave that approval step on for actions like sending messages or editing records.
  • Keep secrets out of version control. Your XAI_API_KEY and any tokens should never be committed. Use environment variables or a secrets manager.
TOOLS

Supported Tools

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

Get Account Balance Info

Tool to get account balance info.

Convert Excel to CSV

Tool to convert an Excel file (XLS/XLSX) to CSV.

Convert Excel to HTML

Tool to convert an Excel file to HTML.

Convert Excel to JSON

Tool to convert an online Excel or CSV file to JSON format.

Convert Excel to Text

Tool to convert Excel files to plain text.

Convert Excel to XML

Tool to convert an Excel file to XML.

Document Parser

Tool to parse documents based on predefined templates to extract structured data.

Upload File

Tool to upload a local file or remote URL to PDF.

Check Job Status

Tool to check status and result of an asynchronous job.

Add Content to PDF

Tool to add content to an existing PDF.

Change PDF Text Searchable

Tool to make PDF text searchable using OCR.

Generate Barcode

Tool to generate high quality barcode images in 45+ formats including QR Code, Code 128, Code 39, and more.

Upload File from Base64

Tool to create a temporary file using base64-encoded source data.

Delete PDF Pages

Tool to delete specific pages from a PDF file.

Extract PDF Attachments

Tool to extract embedded attachments from a PDF.

Find Text in PDF

Tool to find text in a PDF document.

PDF Forms Info Reader

Tool to extract form field information from a PDF.

Convert Text to PDF

Tool to convert a plain text (.

Convert Email to PDF

Tool to convert email files (.

Convert HTML to PDF

Tool to convert HTML code or webpage URL into a PDF document.

PDF Info Reader

Tool to retrieve detailed information and metadata of a PDF.

Merge PDFs

Tool to merge multiple PDF files into one document.

Rotate PDF Pages

Tool to rotate selected pages in a PDF.

Search and Delete Text in PDF

Tool to search for and delete text in a PDF by keyword or regex.

Search and Replace Text in PDF

Tool to search for and replace text in a PDF document.

Split PDF

Tool to split a PDF into multiple files by page ranges.

Convert PDF to CSV

Tool to convert PDF or scanned images to CSV format.

Convert PDF to HTML

Tool to convert PDF documents to HTML.

Convert PDF to Image

Tool to convert PDF pages to images (PNG, JPG, TIFF).

Convert PDF to JSON

Tool to convert PDF or scanned images to JSON format.

Convert PDF to Text

Tool to convert PDF or scanned images to plain text.

Convert PDF to XLS

Tool to convert PDF or scanned images to XLS format.

Convert PDF to XLSX

Tool to convert PDF or scanned images to XLSX (Excel) format.

Convert PDF to XML

Tool to convert PDF or scanned images to XML format.

FRAMEWORKS

How to build Pdf co MCP Agent with another framework

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ChatGPT Work

Use Pdf co MCP with ChatGPT Work

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Antigravity

Use Pdf co MCP with Antigravity

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Pdf co MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Pdf co MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Pdf co MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Pdf co MCP with Claude Cowork

Codex logo

Codex

Use Pdf co MCP with Codex

Kimi Code logo

Kimi Code

Use Pdf co MCP with Kimi Code

Cursor logo

Cursor

Use Pdf co MCP with Cursor

VS Code logo

VS Code

Use Pdf co MCP with VS Code

OpenCode logo

OpenCode

Use Pdf co MCP with OpenCode

OpenClaw logo

OpenClaw

Use Pdf co MCP with OpenClaw

Hermes logo

Hermes

Use Pdf co MCP with Hermes

CLI logo

CLI

Use Pdf co MCP with CLI

Google ADK logo

Google ADK

Use Pdf co MCP with Google ADK

LangChain logo

LangChain

Use Pdf co MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Pdf co MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Pdf co MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Pdf co MCP with LlamaIndex

CrewAI logo

CrewAI

Use Pdf co MCP with CrewAI

FAQ

Frequently asked questions

A standalone Pdf co MCP server gives Grok Build a fixed set of Pdf co tools tied to that one server. The Composio Tool Router lets Grok Build load tools from Pdf co and many other apps on demand, based on the task, all through a single endpoint.

Yes. Grok Build ships with native MCP support. Add a server with the grok mcp add command, from the in-session /mcps modal, or by editing ~/.grok/config.toml. It also reads Claude Code-style .mcp.json files, so Grok Build discovers the tools automatically.

Yes. Grok Build has zero-migration compatibility with Claude Code's configuration, so the same Composio server entry works in both without edits.

Tokens, keys, and configuration are encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant, so your Pdf co data and credentials are handled to that standard.

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