C64 Bridge

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect C64 Bridge to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "c64-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-c64-bridge"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Connects AI to Commodore 64 Ultimate and Ultimate 64 via a REST API using the Model Context Protocol, enabling LLM agents to control the retro computer.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for C64 Bridge

C64 Bridge is an AI command bridge that connects Large Language Model (LLM) agents to your Commodore 64 Ultimate or Ultimate 64 via a REST API. It uses the Model Context Protocol (MCP) to enable AI to control the retro computer.

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