MCP Slicer MCP Server

MCP-Slicer connects 3D Slicer with model clients like Claude Desktop or Cline through the Model Context Protocol (MCP), enabling direct interaction

Local serverstdioPython

What is the MCP Slicer MCP server?

MCP-Slicer connects 3D Slicer with model clients like Claude Desktop or Cline through the Model Context Protocol (MCP), enabling direct interaction and control of 3D Slicer. This integration allows for medical image processing, scene. That is what the mcp slicer mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

The short version

  • Full application window (including module panels)
  • Individual slice views (Red/Yellow/Green)
  • 3D rendering view
  • Enables complete REACT loop with visual feedback

Getting it running

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.

The tools it exposes

The server publishes 1 tool. What each one is for:

  • Prerequisites — Otherwise installation instructions are on their website: Install uv

What it needs from you

  • 3D Slicer 5.8 or newer - Python 3.13 or newer - uv package manager If you're on Mac, please install uv as On Windows and then Otherwise installation instructions are on their website: Install uv ⚠️ Please install UV first

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

How it compares

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. MCP Slicer's toolset — Prerequisites — is a fair guide to whether it matches your workflow. It is maintained by zhaoyouj; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Available tools

ToolWhat it does
PrerequisitesOtherwise installation instructions are on their website: [Install uv](https://docs.astral.sh/uv/getting-started/installation/)

How to install the MCP Slicer MCP server

### Cline Intergration

```json
{
  "mcpServers": {
    "slicer": {
      "command": "uvx",
      "args": ["mcp-slicer"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

  • 3D Slicer 5.8 or newer - Python 3.13 or newer - uv package manager If you're on Mac, please install uv as On Windows and then Otherwise installation instructions are on their website: Install uv ⚠️ Please install UV first

Example prompts to try

  • Use MCP Slicer to Prerequisites.

Frequently asked questions

It connects MCP Slicer to MCP-compatible AI assistants such as Claude and Cursor, exposing 1 tool (Prerequisites) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with MCP Slicer directly.