pyxel-mcp

pyxel-mcp

An MCP server for the Pyxel retro game engine that enables AI models to autonomously run, verify, and iterate on retro game programs. It includes tools for visual verification through screenshots, sprite and layout analysis, and audio rendering.

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README

pyxel-mcp

MCP server for Pyxel, a retro game engine for Python. Enables AI to autonomously run, verify, and iterate on retro game programs.

Features

  • run_and_capture — Run a Pyxel script and capture a screenshot for visual verification
  • capture_frames — Capture screenshots at multiple frame points for animation verification
  • inspect_sprite — Read sprite pixel data from image banks, report symmetry and colors
  • inspect_layout — Analyze screen layout, text positioning, and visual balance
  • render_audio — Render a Pyxel sound to WAV and analyze notes, rhythm, and key
  • pyxel_info — Get Pyxel installation paths (API stubs, examples)

Getting Started

Just ask your AI agent (e.g. Claude Code) to create a Pyxel game. The agent will automatically discover and set up pyxel-mcp from the MCP Registry.

Manual Installation

  1. Install the package:
pip install pyxel-mcp
  1. Register pyxel-mcp as an MCP server in your AI agent. For Claude Code, add to your project's .mcp.json:
{
  "mcpServers": {
    "pyxel": {
      "type": "stdio",
      "command": "pyxel-mcp"
    }
  }
}

Then copy CLAUDE.md to your project root to give the AI context about available tools and Pyxel workflows.

License

MIT

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