Get information about REAPER. Note: OSC is primarily for sending commands.
Use this to confirm connection is working.

Set the project tempo in BPM.

Args:
    tempo: Tempo in beats per minute (20-999)

Move cursor to a specific position.

Args:
    seconds: Position in seconds

Create a new track.

Args:
    name: Name for the new track

Set track volume.

Args:
    track_number: Track number (1-based, as shown in REAPER)
    volume: Volume level (0.0 = -inf dB, 1.0 = 0 dB)

Set track pan position.

Args:
    track_number: Track number (1-based)
    pan: Pan position (-1.0 = full left, 0.0 = center, 1.0 = full right)

Mute or unmute a track.

Args:
    track_number: Track number (1-based)
    muted: True to mute, False to unmute

Solo or unsolo a track.

Args:
    track_number: Track number (1-based)
    solo: True to solo, False to unsolo

Arm or disarm a track for recording.

Args:
    track_number: Track number (1-based)
    armed: True to arm, False to disarm

Select a track.

Args:
    track_number: Track number (1-based)

Create a MIDI item on a track.

Args:
    track_number: Track number (1-based)
    position: Start position in beats
    length: Length in beats (default: 4 = 1 bar in 4/4)

Add MIDI notes to an existing MIDI item.

Args:
    track_number: Track number (1-based)
    item_index: Index of the MIDI item (0-based)
    notes: List of note dictionaries with:
        - pitch: MIDI note number (0-127, middle C = 60)
        - start: Start position in beats (relative to item)
        - duration: Duration in beats
        - velocity: Velocity (1-127, default 100)

Execute arbitrary Lua code in REAPER.

This gives full control over REAPER via ReaScript.
The code runs in REAPER's Lua environment with access to the reaper.* API.

Args:
    code: Lua code to execute

Example:
    execute_lua("reaper.ShowMessageBox('Hello from MCP!', 'Test', 0)")

Trigger a REAPER action by name.

Available actions:
- Transport: play, stop, pause, record, rewind, forward
- Project: save, save_as, new_project, undo, redo
- Tracks: insert_track, delete_track, duplicate_track
- View: zoom_fit, toggle_mixer

Args:
    action_name: Name of the action to trigger