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Merge PDF MCP Server

by theluckystrike Your server? Claim it
answering

Merge PDF is answering right now. Last checked 11 min ago. It exposes 15 tools. Last commit 6 Nov 2026.

Merge, split, extract, rotate, reorder and stamp PDF pages from your AI chat, all offline.

Uptime history 46 days of history · worst day 92%
46 days agonow
100.0%
Uptime 24h
91 of 91 checks
15
Tools
read from the server
143 ms
Response time
average over 24h
2
Stars
last commit 6 Nov 2026

What changed 27

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 15 October 2026. No other catalogue keeps this.

6 Nov 13 tools changed the parameters they ask for26 times that day license_activate, pdf_count, pdf_delete_upload and 10 more
15 Oct a tool changed version
and 13 more, back to 15 October 2026

What the code does

We read the source, 23 h ago · tools taken from the live server · rules 995398eba69f

Evidence

Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.

Claims local-only, but the code calls out billing/src/index.js:1340, telegram/src/bot.ts:205 
        reply_to: "[email protected]" }),
Claims local-only, but ships network tools pdf_delete_upload, pdf_upload 
заявлено «локально, без передачи данных», но есть pdf_delete_upload
Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Hidden recipient in outgoing message billing/src/index.js:1340 
        reply_to: "[email protected]" }),
Touches key and credential files data/npm_unblock.json:34 
        "confound": "actions/setup-node with registry-url wrote NPM_CONFIG_USERCONFIG=$RUNNER_TEMP/.npmrc containing //registry.npmjs.org/:_authToken=${NODE_AUTH_TOKEN}; with no NODE_AUTH_TOKEN secret this expanded to the literal placeholder XXXXX-XXXXX-XXXXX-XXXXX, so npm authen…
Dumps the whole environment servers/office-suite/src/index.ts:141 
  for (const [k, v] of Object.entries(process.env)) if (v !== undefined) env[k] = v;
Page loads a third-party script telegram/public/index.html:11 
<script src="https://telegram.org/js/telegram-web-app.js"></script>
Sends data to a third-party sink telegram/src/bot.ts:205 
  console.error("Bot started; polling https://api.telegram.org");

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

We found things in this code

Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch Merge PDF and you get told the day something new turns up.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

run in your terminal
claude mcp add merge-pdf --transport http https://mcp.zovo.one/mcp/merge-pdf
Settings → Connectors → Add custom connector, then paste this address
https://mcp.zovo.one/mcp/merge-pdf
~/.codex/config.toml
[mcp_servers.merge-pdf]
url = "https://mcp.zovo.one/mcp/merge-pdf"
.cursor/mcp.json
{
  "mcpServers": {
    "merge-pdf": {
      "url": "https://mcp.zovo.one/mcp/merge-pdf"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "merge-pdf": {
      "type": "http",
      "url": "https://mcp.zovo.one/mcp/merge-pdf"
    }
  }
}

Available tools 15

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

pdf
pdf_count
Page count per file plus the total, for any number of PDFs, with how many were readable. A file that cannot be read is reported on its own row and the others still count. Read-only. Free and unlimited.
pdf_delete_upload
Delete one PDF stored for your token, uploaded or generated.
pdf_files
List the PDFs stored for your token: what you uploaded, and what this server has written, with their sizes.
pdf_info
Call this tool to inspect a PDF: page count, page sizes in points/mm, paper name, metadata (title, author, producer, dates) and whether it is encrypted. Read-only, never modifies the file. Free tier: unlimited.
pdf_merge
Call this tool to join several PDFs into one, in the order given. Page sizes are kept as-is, so a merged file may have mixed sizes, and the answer says so. Inputs are never modified. Free tier: up to 5 files per merge.
pdf_pages
Call this tool to pull selected pages into one new PDF, in the order written: "2,4-6" gives four pages. Asking for a page twice copies it twice. The input is never modified. Free tier: files up to 30 pages.
pdf_reorder
Call this tool to write a new PDF with pages in the order you give. The order must name every page exactly once, so nothing drops by accident; use pdf_pages for a subset. Pro.
pdf_rotate
Call this tool to turn pages by a multiple of 90 degrees, clockwise for positive. Rotation is added to whatever the page already had, for a sideways scan. Writes a new file. Free tier: files up to 30 pages.
pdf_split
Call this tool to write one new PDF per range. Ranges are 1-based and may be open-ended: "1-3,5,7-" gives pages 1-3, page 5, and 7 to the end. The input is never modified. Free tier: files up to 30 pages.
pdf_stamp
Call this tool to draw a word such as PAID or DRAFT across the pages, in a colour and position you choose. Writes a new file; input untouched. Free tier: the PAID and DRAFT presets in their preset colours.
pdf_text
Call this tool for best-effort text extraction from standard-font PDFs. Returns nothing for a scan (no OCR), or glyph indices for a custom-encoded font, and says which case applies. Read-only. Free tier: unlimited.
pdf_upload
Send a PDF to this hosted endpoint. There is no filesystem here, so instead of a path you upload the file once with pdf_upload and then pass its name as `path` (or inside `paths`) to pdf_info, pdf_count, pdf_merge, pdf_split, pdf_pages, pdf_rotate, pdf_stamp, pdf_reorder and pdf_text. Give exactly one of pdf_base64 or url. url: fetch a public file instead of pasting base64 (recommended above about 10 KB): pasting a large base64 payload is slow to write out and can stall the turn before the call is ever sent, while a url costs one line and the fetch happens here. Uploads are kept for your token between calls; pdf_files lists them and pdf_delete_upload removes one. A file this server writes is named the same way and comes back as a download link valid for one hour. The request body cap is 256 KB, which is about 190 KB of PDF once base64-encoded; a url is fetched with a 10 second timeout, at most 3 redirects, public http(s) hosts only, and is capped at 2 MB.
pdf_watermark_business
Call this tool to put your business name and VAT id in the footer of every page, from the shared profile mcp-invoice and mcp-docx write. Use it before sending a document out. Pro.
license
license_activate
Turn Pro on for this connection with key, an MCPL1.<payload>.<signature> issued at checkout for this server or the bundle. Data under your token stays; a wrong or expired key changes nothing. license_status confirms it.
license_status
Report this endpoint's licence state for your token as JSON: the product, the tier free or pro, why it is not Pro, and the checkout URL. Call it to explain a free-tier refusal. No arguments, nothing changes.

Endpoints

URLTransportStateLatencyChecked
https://mcp.zovo.one/mcp/merge-pdf streamable-http answering 88 ms 11 min ago

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Merge PDF — questions

Answers built from our own checks of this server.

What can Merge PDF do?
It exposes 15 tools, read directly from the server on our last check. Among them: license_activate, license_status, pdf_count, pdf_delete_upload, pdf_files, pdf_info and 9 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is Merge PDF mostly used for?
Its tools cluster around pdf and license. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Merge PDF working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 143 ms. The bar chart above shows every period we have measured.
How do I connect Merge PDF?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Merge PDF need an API key?
No. Merge PDF completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 15 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Merge PDF?
It answers our handshake in 143 ms on average, which is faster than 86% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Merge PDF open source?
The code is open source: it is published under the MIT licence, written in JavaScript, 2 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at mcp.zovo.one, which runs on its operator's own terms.