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PopNx MCPMCP servers for people who use AI · explained in plain words

Utilitly PDF

by utilitlyPDFversion 0.1.1i★ –iRuns on your computer
Registry namecom.utilitly/mcp

Install

Overview

Description from the maker (original English)

Merge, split, rotate, delete, reorder and duplicate PDF pages on your computer. Nothing is uploaded.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Docs, sheets & office work

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • The registry lists no key to fill in.

You need

  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "utilitly": {
      "command": "npx",
      "args": [
        "-y",
        "@utilitly/mcp"
      ]
    }
  }
}

Run this in your terminal

claude mcp add utilitly -- npx -y @utilitly/mcp

This one needs values on its command line, so copy the settings and fill them in.

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "utilitly": {
      "command": "npx",
      "args": [
        "-y",
        "@utilitly/mcp"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one needs values on its command line, so copy the settings and fill them in.

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "utilitly": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@utilitly/mcp"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain utilitly.com (the registry checks domain ownership)

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Docs, sheets & office worki

  • More stars than 0% of the other 2187 servers in this category
  • Published to the registry more recently than 77% of the other 2187 servers in this category
  • Basic checks equal to or better than 100% of the other 2187 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Utilitly PDF safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.1) reached the registry 8 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Agent-Native Calendar, Excel MCP Server, MCP Server for Excel

Alternatives

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Runs in the cloud★ 7,620MITUpdated 2 months ago
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Excel MCP Server

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Runs on your computer★ 4,276MITUpdated 6 days ago
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Excel automation for AI - Sheets, Power Query, DAX, VBA, Tables, Ranges and more. Windows only.

Runs on your computer★ 847MITUpdated 3 days ago
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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

@utilitly/mcp

A PDF MCP server for Claude, the ChatGPT desktop app, Codex, Gemini CLI, Cursor and any other app that can run a local MCP server. Ask your AI to merge, split, rotate, delete, reorder or duplicate pages, and it does the work with PDF files on your own computer.

The server runs locally, next to the AI app, and edits files where they sit. It's built on Utilitly's open-source PDF engines, ported from the free tools on utilitly.com, and it never replaces a file: every result is a new PDF beside the original.

Install

You need Node.js 22 or newer. The first run downloads the server through npx.

The folders after the package name are the only places the server may read and write. Change them to wherever your PDFs live.

Claude Code

claude mcp add utilitly -- npx -y @utilitly/mcp ~/Documents ~/Downloads ~/Desktop

Claude Desktop: open Settings, then Developer, then Edit Config, and add this to claude_desktop_config.json. Restart Claude Desktop afterwards.

{

"mcpServers": { "utilitly": { "command": "npx", "args": ["-y", "@utilitly/mcp", "~/Documents", "~/Downloads", "~/Desktop"] } } }

Cursor: put the same mcpServers block in ~/.cursor/mcp.json.

ChatGPT desktop app and Codex share one setup, so adding the server to either one adds it to both. In the ChatGPT app, open Settings, then MCP servers, then Add server. Choose STDIO, enter the command npx with the arguments -y @utilitly/mcp ~/Documents ~/Downloads ~/Desktop, save, and restart. From the Codex CLI:

codex mcp add utilitly -- npx -y @utilitly/mcp ~/Documents ~/Downloads ~/Desktop

Gemini CLI: everything after -- goes to npx, and -s user makes the server available in every folder you start Gemini in.

gemini mcp add -s user utilitly npx -- -y @utilitly/mcp ~/Documents ~/Downloads ~/Desktop

Anything else that can start a local (stdio) MCP server: the command is npx with the arguments -y @utilitly/mcp, followed by the folders.

The server is also listed in the official MCP Registry as com.utilitly/mcp, so apps and directories that read the registry can find it by that name.

About the folder list

The check happens after symlinks are resolved, so a link inside an allowed folder can't lead somewhere else.

Leave the folders out and the server may use any file you can. It still never overwrites or deletes anything, and it never shows the AI what's inside a PDF. But an AI misled by something it read elsewhere could copy any of your PDFs into any folder, so list folders unless you need it everywhere.

Try it in 30 seconds

Once it's installed, ask in plain words and use full paths:

  • "Merge ~/Downloads/march.pdf and ~/Downloads/april.pdf."
  • "Delete the blank page 3 from ~/Desktop/scan.pdf."
  • "Split ~/Documents/handbook.pdf into pages 1-12, 13-30 and 31 to the end."
  • "Pages 2 to 4 of ~/Desktop/scan.pdf are sideways; turn them the right way up."
  • "How many pages does ~/Documents/contract.pdf have, and is it locked?"

Tools

ToolWhat it doesNew file it writes
pdf_infoPage count, file size, first page size, and whether the PDF is password-protected. Changes nothing.none
merge_pdfsCombines PDFs in the order given. -merged.pdf
split_pdfOne file per range, e.g. "1-2, 3-end". -part1.pdf, -part2.pdf, …
extract_pagesThe selected pages as one PDF, in page order. -pages.pdf
rotate_pdfTurns pages by a multiple of 90 degrees. -rotated.pdf
delete_pagesRemoves pages; at least one has to stay. -trimmed.pdf
reorder_pagesPuts every page in a new order. -reordered.pdf
duplicate_pagesAdds copies after each page or at the end. -duplicated.pdf

Results land in the same folder as the input. Every writing tool also takes an optional output_path, and split_pdf an optional output_folder. Page selections read like "2", "1-3, 5" or "4-end".

Problems come back to the AI as a short code and a sentence it can act on, such as NO_PAGES: "9" doesn't match any page. The PDF has 4 pages. or ENCRYPTED: File 2 is password-protected. Remove the password first, then try again.

What it can and can't touch

  • It never overwrites. If report-merged.pdf already exists, the result becomes report-merged-2.pdf, and an output_path that already exists is refused.
  • Input files are only read, never changed.
  • Paths must be absolute or start with ~/, so the AI can't stumble into the wrong folder through a relative path.
  • With folders listed at install, nothing outside them can be read or written.
  • Password-protected PDFs are refused rather than altered. pdf_info reports when a file is locked.
  • One call can add at most 10,000 pages beyond what its input files hold, and one split writes at most 1,000 files (or one per page for longer PDFs). A mistaken request, like a hundred million copies, is refused before anything is built.

Why nothing is uploaded

The PDF work happens inside this server, on your machine, with no network code anywhere in it. test/network.test.ts proves that on every change: it makes opening a connection, looking up a host name and calling fetch all throw, then runs every tool, and they all succeed.

Your AI app still talks to its model as usual. That conversation includes whatever you type, file paths included, and each tool's short reply: the paths it wrote, page counts and file sizes. This server never puts the contents of a PDF into the conversation.

Good to know

  • merge_pdfs, split_pdf, extract_pages, delete_pages, reorder_pages and duplicate_pages build fresh PDFs, so bookmarks, document properties and working form fields aren't carried into the result. rotate_pdf keeps the whole document.
  • Images and fonts shared between pages stay shared, so results don't balloon in size.
  • To check what's running, npx -y @utilitly/mcp --version prints the version and --help the usage.

License

MIT. Built on the @utilitly PDF engines and pdf-lib (both MIT), and the official MCP TypeScript SDK (Apache-2.0).

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