Which integrations are available for this server?

Enables execution of [Lua](/mcp/servers/integrations/lua) scripts in REAPER DAW via ReaScript, allowing full programmatic control of the digital audio workstation through the execute_lua tool. Provides tools for creating [MIDI](/mcp/servers/integrations/midi) tracks, items, and notes programmatically in REAPER, including generation of drum patterns, basslines, melodies, and chord progressions with music theory support.

Scythe MCP — REAPER Integration

AI-powered music composition and control for REAPER DAW via Model Context Protocol.

🎵 Features

OSC Control: Transport, tempo, volume, pan, mute/solo
MIDI Generation: Create tracks, items, and notes programmatically
execute_lua: Full REAPER control via ReaScript
Music Theory: Scales, chords, progressions, rhythm patterns

📸 Demo

REAPER Demo

5 tracks created via MCP: Drums, Bass, Keys, Melody, FX — each with MIDI patterns and colors

🚀 Quick Start

1. Install Python dependencies

cd d:/tareas/experiment_cubase uv sync

2. Configure REAPER OSC

Preferences → Control/OSC/Web → Add
Select OSC (Open Sound Control)
Configure:
- Mode: Local port
- Port: 8000
- Local IP: 192.168.0.3 (your local IP)

3. Load the Lua script

Copy scythe_mcp/reascript/scythe_poller.lua to REAPER Scripts
Actions → Load ReaScript → Run

4. Add to MCP config

{ "mcpServers": { "scythe": { "command": "uv", "args": ["run", "scythe-mcp"], "cwd": "d:/tareas/experiment_cubase" } } }

🛠️ Available Tools

Tool	Description
`play`, `stop`, `record`	Transport control
`set_tempo(bpm)`	Change project tempo
`create_track(name)`	Create new track
`set_track_volume(track, vol)`	Set volume (0-1)
`mute_track`, `solo_track`	Mute/solo toggle
`execute_lua(code)`	Run any Lua in REAPER

📁 Project Structure

scythe_mcp/ ├── server/ │ ├── main.py # MCP server with tools │ └── reaper_bridge.py # OSC + file-based commands ├── reascript/ │ ├── scythe_poller.lua # REAPER Lua client │ └── install.md # Setup guide ├── music_theory/ │ ├── scales.py # 15+ scales and modes │ ├── chords.py # Chord construction │ ├── progressions.py # Genre-specific progressions │ └── rhythm.py # Time signatures, swing └── generators/ ├── drums.py # Drum patterns ├── basslines.py # Bass generators └── melodies.py # Melody generators