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

Clipboard

by cmeansversion 2.6.3i★ –iRuns on your computer
Registry nameio.github.cmeans/mcp-clipboard

Install

Overview

Description from the maker (original English)

Read and write the system clipboard — tables, text, code, JSON, URLs, images, and more.

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: Developer tools

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

  • PyPIPython’s uv installed (for the uvx 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": {
    "clipboard": {
      "command": "uvx",
      "args": [
        "mcp-clipboard"
      ]
    }
  }
}

Run this in your terminal

claude mcp add clipboard -- uvx mcp-clipboard

Open in Cursor

Or copy the settings yourself

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

{
  "mcpServers": {
    "clipboard": {
      "command": "uvx",
      "args": [
        "mcp-clipboard"
      ]
    }
  }
}

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.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "clipboard": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-clipboard"
      ]
    }
  }
}

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 8, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account cmeans, which owns the repo

  • … 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 Developer toolsi

  • More stars than 0% of the other 5541 servers in this category
  • Published to the registry more recently than 59% of the other 5541 servers in this category
  • Basic checks equal to or better than 100% of the other 5541 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 Clipboard 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 (2.6.3) reached the registry 20 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Python (uv) on your computer.

What can I use instead?

In the same category: GitHub, Desktop Commander, Cloudflare MCP

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

GitHub

GitHub’s official server lets AI read and manage code, issues and pull requests in your account. Use GitHub’s hosted version or run it locally with Docker.

by githubWidely used★ 34.2KUpdated 5 days ago

Computer or cloud

Desktop Commander

MCP server for terminal commands, file operations, and process management

by wonderwhy-erWidely used↓ 709.6K/wk★ 10.2KUpdated 17 days ago

Runs on your computer

Cloudflare MCP

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by cloudflareWidely used★ 4.4KUpdated 14 months ago

Runs in the cloud✓ mcp.cloudflare.com

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.

mcp-clipboard

An MCP server that gives your AI assistant direct access to your system clipboard: read what you copied, or write clean text straight to it. Works with any MCP-compatible client, including Claude Code, Claude Desktop, Cursor, Windsurf, and others.

Why This Exists

Pasting loses structure

When you copy cells from Google Sheets or Excel and paste into a chat input, the tabular structure (rows and columns) is destroyed. It arrives as a flat string with no delimiters. The model has to guess where one cell ends and the next begins, and it often guesses wrong.

mcp-clipboard preserves it. Instead of pasting, tell your assistant to "read my clipboard." The server reads the clipboard directly, detects tabular data from the HTML that spreadsheet apps put on the clipboard, and returns it as a properly formatted Markdown table, JSON, or CSV. No structure lost, no guessing.

Bonus: it also fixes copying from Claude Code

Claude Code's terminal renderer adds 2-character padding, hard line breaks at ~80 columns, and trailing whitespace to all output. When you select and copy text from the terminal, those artifacts come along for the ride:

  echo "this is a long command that wraps and

breaks when you paste it because of the hard newlines and leading spaces"

This has been reported repeatedly on the claude-code repo (issues #4686, #6827, #7670, #13378, #15199, #25040, #25427, #26016) with dozens of upvotes and no fix shipped.

mcp-clipboard sidesteps the problem entirely. Instead of copying text from the terminal, ask Claude Code to put it on your clipboard:

"Copy that command to my clipboard"

Claude Code calls clipboard_copy, writes the clean text directly to your system clipboard, and you paste it wherever you need it. No padding, no hard wraps, no cleanup.

Tip: To make this automatic, add a line to your project or global CLAUDE.md:

When you produce a shell command for the user to run, also copy it to the clipboard using clipboard_copy.

Claude Code will then copy every command it suggests without you having to ask.

Bonus: read your X11/Wayland selection without Ctrl-C

Linux desktops have two clipboards: the CLIPBOARD that Ctrl-C / Ctrl-V uses, and the PRIMARY selection. PRIMARY is whatever text you currently have highlighted, pasted by middle-click. It updates as soon as you select something; you don't have to copy it.

mcp-clipboard reads PRIMARY too. Pass selection="primary" to clipboard_paste, clipboard_read_raw, or clipboard_list_formats and the server reads the selection buffer instead of the Ctrl-C clipboard. Some workflows this enables:

  • Terminal triage. An error message scrolls past, mouse-select it, ask the model what it means. Your Ctrl-C buffer stays intact for whatever you had on it.
  • vim / IDE visual selection. v-select a function, ask the model to explain it or refactor it.
  • Browser / PDF reading. Drag-select a paragraph, ask "what's this saying?" without leaving the reading flow.
  • Two-buffer workflows. Keep a snippet in CLIPBOARD (Ctrl-C) and pull a different one through PRIMARY in the same conversation.

Linux only. macOS and Windows have no equivalent buffer; passing selection="primary" on those platforms returns a clear error.

Tools

ToolDescription
clipboard_pastePrimary tool. Read any clipboard content: tables, text, code, JSON, URLs, images. Tables are formatted as Markdown/JSON/CSV; pass include_schema=true to append inferred column types. Images are returned as image content the model can see. Optional selection="primary" reads the X11/Wayland PRIMARY selection (middle-click / select-text-to-paste buffer) instead of the default Ctrl-C clipboard.
clipboard_copyWrite text content to the system clipboard. Accepts an optional mime_type parameter (text/plain by default; also text/html, text/rtf, image/svg+xml, or any text/* on Wayland/X11).
clipboard_copy_markdownRender markdown to HTML and place both formats on the clipboard so paste targets pick the right one — Slack/Gmail/Notion/Discord get rich text; vim/terminal get the source. macOS/Windows write both atomically; Wayland/X11 are single-MIME and write only text/html.
clipboard_copy_imageWrite a PNG or JPEG image to the system clipboard from base64-encoded bytes. Pass-through with no re-encoding; magic bytes are validated against the declared MIME. Use clipboard_copy for text.
clipboard_list_formatsList what MIME types are currently on the clipboard. Accepts selection="primary" for the X11/Wayland PRIMARY selection.
clipboard_read_rawReturn raw clipboard content for a given MIME type (diagnostic). Any non-binary type passes through; only image/*, audio/*, video/*, and application/octet-stream are rejected. Use clipboard_paste for images. Accepts selection="primary" for the X11/Wayland PRIMARY selection.
clipboard_versionReturn the running mcp-clipboard package version as {"name": "mcp-clipboard", "version": " "}. Diagnostic. Useful for hosts that don't surface the standard MCP serverInfo block to the model, and for test harnesses that need to record which build served a given run.

Setup

Step 1: Install a Python package runner

mcp-clipboard is a Python package on PyPI. Any Python tool that can install and launch console-script entry points works for running it as an MCP server. The two most common choices are pipx and uv; both appear in the install-counts badges at the top of this README and both are in active use. Pick whichever you have or prefer:

  • pipx: install instructions per platform are in the official pipx install docs. On most distros pipx is available via the system package manager (apt, dnf, pacman, brew, etc.).
  • uv: install instructions per platform are in the official uv install docs. Astral documents package-manager paths, signed standalone-binary downloads, and shell installers for each platform.

Verify your chosen runner is on PATH:

pipx --version   # if you chose pipx
uv --version     # if you chose uv

The rest of this section shows commands for both runners; substitute the one you installed.

Step 2: Install the platform clipboard tool (Linux only)

macOS and Windows have everything they need built in. Linux needs one CLI utility:

PlatformToolInstall
Fedora / RHEL (Wayland)wl-copy / wl-pastesudo dnf install wl-clipboard
Ubuntu / Debian (Wayland)wl-copy / wl-pastesudo apt install wl-clipboard
Linux (X11)xclipsudo dnf install xclip or sudo apt install xclip
macOSBuilt-inNo install needed (pbcopy / pbpaste)
WindowsBuilt-inNo install needed (PowerShell)

Platform status: Linux with Wayland is tested and actively used. Windows has been exercised end-to-end on a QEMU Windows guest (a real Windows-only encoding bug, #129, was found and fixed via that testing in v2.5.x). X11 and macOS implementations are complete but unverified beyond the unit tests. Bug reports and PRs are welcome.

Step 3: Verify mcp-clipboard works on your system

Before wiring it into a client, confirm the package installs and detects your platform correctly. With pipx:

pipx run mcp-clipboard --check

Or with uv:

uvx mcp-clipboard --check

Both forms fetch the package on demand without a permanent install (use pipx install mcp-clipboard or uv tool install mcp-clipboard first if you'd rather install it persistently). Expected output:

mcp-clipboard 2.5.1

Platform: ... Backend: ... (detected) OK: mcp-clipboard should work on this system.

If you see Backend: NOT AVAILABLE, follow the platform-specific hint in the error message (typically: install the Linux clipboard tool from Step 2) and re-run.

Step 4: Register the server with your MCP client

The MCP host launches mcp-clipboard via a command + args pair. Both pipx and uv expose a one-shot run subcommand that fetches and executes the package, so the most convenient configs use those forms.

Claude Code

With pipx:

claude mcp add clipboard --scope user -- pipx run mcp-clipboard

With uv:

claude mcp add clipboard --scope user -- uvx mcp-clipboard
Claude Desktop

Locate your Claude Desktop config file (paste the path into your file manager's address bar to jump straight there):

  • **Li

Only the beginning is shown; read the rest in the repo

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