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sandraschisandraschi/butterchurn-mcp/skills/butterchurn-operator/SKILL.md

butterchurn-operator

Skill1 starsChanged 31 days agoMITView on GitHub

Operate the butterchurn-mcp visualizer backend (BPM sync, health, shutdown) and its Vite dashboard. Use when starting, probing, or driving the MilkDrop/WebGL visualizer for a DJ set or demo.

Files
SKILL.md

Butterchurn Operator

Backend (FastAPI + MCP, default :10878)

  • Health: GET /api/health -> {"status": "ok", ...}
  • Capabilities: GET /api/capabilities (tool surface + versions)
  • MCP endpoint: /mcp (streamable HTTP)

MCP tools

  • get_bpm (read-only): current beat driving the visualizer.
  • set_bpm(bpm): 60..200. Called by mixx-dj-mcp during a DJ set.
  • butterchurn_shutdown(confirmed=true): terminate the server (destructive).

Dashboard (Vite, default :10879)

Pages: Dashboard, Toolbox (engine picker), Presets, Visualizer (/visualizer?engine=shader&scene=gyroid-pulse), Tools, Settings, Logs, Help.

Launch

just serve (backend) + just web (frontend), or the fleet start.ps1. Health-gate any scripted launch: poll /api/health until 200, then open the dashboard.

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