pdf-tools

Free PDF tools for AI agents: merge, split, rotate, watermark, page numbers, metadata, flatten.

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What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Free PDF tools for AI agents: merge, split, rotate, watermark, page numbers, metadata, flatten.

    How to connect

    How to connect pdf-tools to Claude

    The server address to paste into Claude settings:

    https://pdfia.com/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect pdf-tools to ChatGPT

    The server address to paste into ChatGPT settings:

    https://pdfia.com/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect pdf-tools to Cursor

    The server address to paste into Cursor settings:

    https://pdfia.com/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (10)

    Raw names from tools/list. Only developers need these.

    merge_pdfsMerge multiple PDF files into one, in the order given. Returns the merged PDF as base64.
    split_pdfSplit a PDF into parts. Provide ranges like "1-3, 5, 8-10" (each comma group becomes one output PDF), or omit ranges to get every page as its own PDF. Returns base64 files.
    extract_pagesExtract the given pages into a new PDF (original order). Returns base64.
    remove_pagesDelete the given pages from a PDF. Returns the remaining document as base64.
    rotate_pdfRotate pages clockwise by 90, 180, or 270 degrees. Rotates all pages unless a page list is given. Returns base64.
    watermark_pdfStamp a diagonal text watermark (e.g. "CONFIDENTIAL", "DRAFT") across every page. Returns base64.
    add_page_numbersStamp page numbers onto every page of a PDF. Returns base64.
    get_pdf_metadataRead a PDF's document properties (title, author, subject, keywords, creator, producer, dates, page count).
    set_pdf_metadataRewrite a PDF's document properties. Pass empty strings to strip identifying metadata before sharing. Returns base64.
    flatten_pdfFlatten fillable form fields into permanent page content so answers can't be edited. Returns base64.