MCP Memory Service

#!/bin/bash # Run MCP Memory Service with Homebrew PyTorch Integration for use with MCP # Set paths SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )" DB_DIR="$HOME/Library/Application Support/mcp-memory" # Use environment variables if set, otherwise use defaults DB_PATH="${MCP_MEMORY_SQLITE_PATH:-$DB_DIR/sqlite_vec.db}" BACKUPS_PATH="${MCP_MEMORY_BACKUPS_PATH:-$DB_DIR/backups}" # Extract directory parts DB_DIR="$(dirname "$DB_PATH")" BACKUPS_DIR="$(dirname "$BACKUPS_PATH")" # Create directories if they don't exist mkdir -p "$DB_DIR" mkdir -p "$BACKUPS_DIR" # Set environment variables (only if not already set) export MCP_MEMORY_STORAGE_BACKEND="${MCP_MEMORY_STORAGE_BACKEND:-sqlite_vec}" export MCP_MEMORY_SQLITE_PATH="$DB_PATH" export MCP_MEMORY_BACKUPS_PATH="$BACKUPS_PATH" export MCP_MEMORY_USE_ONNX="${MCP_MEMORY_USE_ONNX:-1}" export MCP_MEMORY_USE_HOMEBREW_PYTORCH="${MCP_MEMORY_USE_HOMEBREW_PYTORCH:-1}" # Check if we're running in Claude Desktop (indicated by a special env var we'll set) if [ "${CLAUDE_DESKTOP_ENV:-}" = "1" ]; then echo "🖥️ Running in Claude Desktop environment, skipping Homebrew PyTorch check" >&2 SKIP_HOMEBREW_CHECK=1 else SKIP_HOMEBREW_CHECK=0 fi # Check if Homebrew PyTorch is installed, unless skipped if [ "$SKIP_HOMEBREW_CHECK" = "0" ]; then if ! brew list | grep -q pytorch; then echo "❌ ERROR: PyTorch is not installed via Homebrew." >&2 echo "Please install PyTorch first: brew install pytorch" >&2 exit 1 else echo "✅ Homebrew PyTorch found" >&2 fi fi # Skip Homebrew-related checks if running in Claude Desktop if [ "$SKIP_HOMEBREW_CHECK" = "0" ]; then # Check if sentence-transformers is installed in Homebrew Python HOMEBREW_PYTHON="$(brew --prefix pytorch)/libexec/bin/python3" echo "Checking for sentence-transformers in $HOMEBREW_PYTHON..." >&2 # Use proper Python syntax with newlines for the import check if ! $HOMEBREW_PYTHON -c " try: import sentence_transformers print('Success: sentence-transformers is installed') except ImportError as e: print(f'Error: {e}') exit(1) " 2>&1 | grep -q "Success"; then echo "⚠️ WARNING: sentence-transformers is not installed in Homebrew Python." >&2 echo "Installing sentence-transformers in Homebrew Python..." >&2 $HOMEBREW_PYTHON -m pip install sentence-transformers >&2 else echo "✅ sentence-transformers is already installed in Homebrew Python" >&2 fi else echo "🖥️ Skipping sentence-transformers check in Claude Desktop environment" >&2 # Set a default Python path for reference in the log HOMEBREW_PYTHON="/usr/bin/python3" fi # Activate virtual environment if it exists if [ -d "$SCRIPT_DIR/venv" ]; then source "$SCRIPT_DIR/venv/bin/activate" echo "✅ Activated virtual environment" >&2 else echo "⚠️ No virtual environment found at $SCRIPT_DIR/venv" >&2 echo " Running with system Python" >&2 fi # Redirect all informational output to stderr to avoid JSON parsing errors echo "========================================================" >&2 echo " MCP Memory Service with Homebrew PyTorch Integration" >&2 echo "========================================================" >&2 echo "Storage backend: $MCP_MEMORY_STORAGE_BACKEND" >&2 echo "SQLite-vec database: $MCP_MEMORY_SQLITE_PATH" >&2 echo "Backups path: $MCP_MEMORY_BACKUPS_PATH" >&2 echo "Homebrew Python: $HOMEBREW_PYTHON" >&2 echo "ONNX Runtime enabled: ${MCP_MEMORY_USE_ONNX:-No}" >&2 echo "Homebrew PyTorch enabled: ${MCP_MEMORY_USE_HOMEBREW_PYTORCH:-No}" >&2 echo "========================================================" >&2 # Ensure our source code is in the PYTHONPATH export PYTHONPATH="$SCRIPT_DIR:$SCRIPT_DIR/src:$PYTHONPATH" echo "PYTHONPATH: $PYTHONPATH" >&2 # Start the memory server with Homebrew PyTorch integration echo "Starting MCP Memory Service..." >&2 python -m mcp_memory_service.homebrew_server "$@"