Processing MCP Server

# Processing MCP Server 🎨 **Create visual art and games with AI** - An MCP (Model Context Protocol) server that enables AI assistants to create and

Local serverstdioPython

What is the Processing MCP server?

Processing MCP Server 🎨 Create visual art and games with AI - An MCP (Model Context Protocol) server that enables AI assistants to create and run Processing sketches directly through natural language commands. ⭐ **Give us a star if. Exposed over MCP by the processing mcp server, that capability becomes something an assistant can invoke while it works, not something you go and do afterwards.

What it actually does

  • 🚀 Create and run Processing sketches from AI conversations
  • 💾 Automatically saves sketches with timestamps
  • ⚙️ Configurable Processing executable path and save location
  • 🤖 Simple tool interface for AI assistants
  • 🎮 Includes 6 ready-to-run demos (particles, 3D art, games, and more!)

Adding it to your client

The server ships on PyPI as fastmcp, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

Its toolset

Everything the assistant can do here goes through one of these:

  • Prerequisites — The Prerequisites tool exposed by this server
  • run_processing_java_cli — The run_processing_java_cli tool exposed by this server
  • get_processing_config — The get_processing_config tool exposed by this server

Configuration

You will need 2 environment variables: PROCESSING_PATH, PROCESSING_SAVE_LOCATION. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

  • Python 3.8+ - Processing installed on your system - uv package manager (or use pip) - Claude Desktop app

Caveats

  • 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.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the processing mcp server does with a few real requests.

When to reach for it

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Processing's toolset — Prerequisites, run_processing_java_cli, get_processing_config — is a fair guide to whether it matches your workflow. It is maintained by twelve2five; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Available tools

ToolWhat it does
PrerequisitesThe Prerequisites tool exposed by this server.
run_processing_java_cliThe run_processing_java_cli tool exposed by this server.
get_processing_configThe get_processing_config tool exposed by this server.

How to install the Processing MCP server

{
  "mcpServers": {
    "processing": {
      "command": "uv",
      "args": [
        "run",
        "C:\\path\\to\\processing-mcp-server\\processing_mcp_server.py"
      ],
      "env": {
        "PROCESSING_PATH": "C:\\Program Files\\Processing\\Processing.exe",
        "PROCESSING_SAVE_LOCATION": "C:\\Users\\YourUsername\\Documents\\Processing\\sketches"
      }
    }
  }
}

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

Configuration

  • Python 3.8+ - Processing installed on your system - uv package manager (or use pip) - Claude Desktop app
VariableDescriptionRequired
PROCESSING_PATHFilesystem location the server is allowed to use.Optional
PROCESSING_SAVE_LOCATIONConfiguration value read at startup.Optional

Example prompts to try

  • Use Processing to Prerequisites.
  • Use Processing to run processing java cli.
  • Use Processing to get processing config.

Frequently asked questions

It provides `run_processing_java_cli` to create and run a sketch, and `get_processing_config` to return the current server configuration.