custom_mcp_server.py•3.62 kB
#!/usr/bin/env python3
"""
Custom MCP Server for REAPER
This script provides a robust MCP server implementation that should work with IDE integration
"""
import json
import sys
import os
import reapy
from mcp.server.fastmcp import FastMCP
import logging
# Set up logging
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
stream=sys.stderr)
logger = logging.getLogger("reaper-mcp")
# Create the MCP server
mcp = FastMCP("ReaperMCP")
# Connect to REAPER
try:
logger.info("Attempting to connect to REAPER...")
reapy.connect()
logger.info("Successfully connected to REAPER")
except Exception as e:
logger.error(f"Failed to connect to REAPER: {e}")
logger.error("Make sure REAPER is running with ReaScript API enabled")
sys.exit(1)
# Simple tool definitions
@mcp.tool()
def create_project(name, template=None):
"""Creates a new REAPER project."""
try:
project = reapy.Project()
if name:
project.save(os.path.join(os.path.expanduser("~/Documents/REAPER Projects"), f"{name}.rpp"))
return {"success": True, "message": f"Created project: {name}"}
except Exception as e:
logger.error(f"Error creating project: {e}")
return {"success": False, "error": str(e)}
@mcp.tool()
def create_track(name=None):
"""Creates a new track in the current project."""
try:
project = reapy.Project()
track = project.add_track(index=project.n_tracks, name=name)
return {"success": True, "track_index": track.index}
except Exception as e:
logger.error(f"Error creating track: {e}")
return {"success": False, "error": str(e)}
@mcp.tool()
def list_tracks():
"""Lists all tracks in the current project."""
try:
project = reapy.Project()
tracks = []
for i in range(project.n_tracks):
track = project.tracks[i]
tracks.append({
"index": i,
"name": track.name,
"is_selected": track.is_selected
})
return {"success": True, "tracks": tracks}
except Exception as e:
logger.error(f"Error listing tracks: {e}")
return {"success": False, "error": str(e)}
@mcp.tool()
def add_midi_note(track_index, note, start_time, duration, velocity=100):
"""Adds a MIDI note to a track."""
try:
project = reapy.Project()
track = project.tracks[track_index]
item = track.add_item(start=start_time, length=duration)
take = item.add_take()
take.add_note(note=note, start=0, end=duration, velocity=velocity)
return {"success": True, "message": f"Added note {note} to track {track_index}"}
except Exception as e:
logger.error(f"Error adding MIDI note: {e}")
return {"success": False, "error": str(e)}
@mcp.tool()
def get_project_info():
"""Gets information about the current project."""
try:
project = reapy.Project()
return {
"success": True,
"name": project.name,
"path": project.path,
"length": project.length,
"track_count": project.n_tracks,
"selected_track_count": project.n_selected_tracks
}
except Exception as e:
logger.error(f"Error getting project info: {e}")
return {"success": False, "error": str(e)}
# Run the server
if __name__ == "__main__":
logger.info("Starting custom REAPER MCP Server...")
# Use stdio transport for MCP protocol
mcp.run(transport='stdio')