# Commodore 64 Ultimate Computer

> Use this tool when you need to control and interact with Commodore 64 Ultimate Computer devices remotely, solving problems such as automated testing, remote demonstrations, and retro game development. It provides a REST API interface for inputs like program files and system settings, and outputs like screen captures and machine state. Ideal for use cases requiring comprehensive control over Commodore 64 devices, such as AI-assisted development and automated testing.

Canonical page: https://skillsregistry.net/skills/xphileby-c64u  
JSON: https://api.skillsregistry.net/v1/skills/xphileby-c64u

## Description

Provides comprehensive control over Commodore 64 Ultimate Computer devices through their REST API. The implementation offers tools for running programs (SID, MOD, PRG, CRT files), controlling machine state (reset, pause, memory operations), managing floppy drives and disk images, configuring system settings, and capturing screen output with automatic graphics mode detection. Includes advanced features like BASIC program tokenization for direct memory injection and PETSCII text input simulation, making it ideal for automated testing, remote demonstrations, or AI-assisted retro game development.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** media
- **Updated:** 2026-09-01

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/xphileby-c64u)
- **Repository:** <https://github.com/xphileby/c64u-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "xphileby-c64u"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/xphileby-c64u` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/xphileby-c64u/pull`

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