How do I use pdf-merger-mcp-server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@pdf-merger-mcp-server Merge report.pdf and appendix.pdf into one PDF" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

PDF Merger MCP Server

An MCP (Model Context Protocol) server that exposes the PDF Merger App as a set of tools any MCP-compatible LLM client can use to upload, arrange, merge, and download PDFs.

Tools

Tool	Description
`pdf_merger_upload_pdfs`	Upload one or more PDF files from disk to the merger service
`pdf_merger_remove_file`	Remove a file from an upload session
`pdf_merger_merge`	Merge uploaded PDFs in a specified order
`pdf_merger_get_download_url`	Build a one-time download URL for the merged result

Related MCP server: flint-slating

Quick Start

# Install dependencies
npm install

# Build
npm run build

# Run (stdio transport — default)
PDF_MERGER_API_URL=http://localhost:3000 npm start

# Run (HTTP transport for remote access)
TRANSPORT=http PORT=4000 PDF_MERGER_API_URL=http://localhost:3000 npm start

Environment Variables

Variable	Default	Description
`PDF_MERGER_API_URL`	`http://localhost:3000`	Base URL of the PDF Merger App API
`TRANSPORT`	`stdio`	Transport mode: `stdio` or `http`
`PORT`	`4000`	HTTP server port (only when `TRANSPORT=http`)

Claude Desktop Configuration

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "pdf-merger": {
      "command": "node",
      "args": ["/path/to/pdf-merger-mcp-server/dist/index.js"],
      "env": {
        "PDF_MERGER_API_URL": "https://your-merger-app.vercel.app"
      }
    }
  }
}

Typical Workflow

Upload PDFs → returns session_id + file IDs
Remove unwanted files (optional)
Merge with desired file order → returns one-time download token
Download using the token URL

Architecture

LLM Client ──MCP──▶ pdf-merger-mcp-server ──HTTP──▶ PDF Merger App (Express)
                     (stdio or HTTP)                  (Vercel Blob + pdf-lib)

Development

npm run dev    # Auto-reload via tsx watch
npm run build  # Compile TypeScript → dist/
npm run clean  # Remove dist/

This server cannot be installed

F

license - not found

-

quality - not tested

-

maintenance - not tested

How are these scores calculated?

Resources

GitHub Repository

Need Help?

Related Servers

Unclaimed servers have limited discoverability.

Looking for Admin?

If you are the server author, to access and configure the admin panel.

pdf-merger-mcp-server