Sync Claude Desktop MCP settings with Claude Code

sync-mcp-claude-desktop-to-claude-code.sh

#!/bin/bash

CONFIG_FILE="$HOME/Library/Application Support/Claude/claude_desktop_config.json"

# Check if the config file exists
if [ ! -f "$CONFIG_FILE" ]; then
  echo "Config file not found: $CONFIG_FILE"
  exit 1
fi

# Read MCP servers from config file
CONFIG_SERVERS=$(cat "$CONFIG_FILE" | jq -r '.mcpServers // []')

# Convert config servers to a structured format
echo "Reading MCP servers from config file..."
SERVERS_TO_ADD=()
while read -r line; do
  if [ ! -z "$line" ]; then
    NAME=$(echo "$line" | jq -r '.name // "null"')
    COMMAND=$(echo "$line" | jq -r '.command')
    ARGS=$(echo "$line" | jq -r '.args | join(" ")')
    
    SERVERS_TO_ADD+=("$NAME:$COMMAND:$ARGS")
    echo "Found server: $NAME - $COMMAND $ARGS"
  fi
done < <(echo "$CONFIG_SERVERS" | jq -c '.[]')

# Clear all existing MCP servers
echo "Removing all existing MCP servers..."
MCP_LIST_OUTPUT=$(claude mcp list)
if [[ "$MCP_LIST_OUTPUT" != *"No MCP servers configured"* ]]; then
  while IFS=: read -r NAME COMMAND_WITH_ARGS; do
    if [ ! -z "$NAME" ] && [[ "$NAME" != "No MCP servers configured"* ]]; then
      # Remove leading/trailing whitespace
      NAME=$(echo "$NAME" | xargs)
      echo "Removing server: $NAME"
      claude mcp remove "$NAME"
      # Wait a moment for the operation to complete
      sleep 1
    fi
  done < <(echo "$MCP_LIST_OUTPUT")
fi

# Add each server from config
echo "Adding servers from config..."
for config in "${SERVERS_TO_ADD[@]}"; do
  CONFIG_NAME=$(echo "$config" | cut -d: -f1)
  CONFIG_COMMAND=$(echo "$config" | cut -d: -f2)
  CONFIG_ARGS=$(echo "$config" | cut -d: -f3-)
  
  echo "Adding server: $CONFIG_NAME - $CONFIG_COMMAND $CONFIG_ARGS"
  
  # Handle problematic flags
  ADD_ARGS=$(echo "$CONFIG_ARGS" | sed 's/-y//g' | sed 's/--with fastmcp//')
  
  # If this is the fastmcp command, handle it specially
  if [[ "$CONFIG_COMMAND" == *"uv"* && "$CONFIG_ARGS" == *"fastmcp"* ]]; then
    echo "Skipping fastmcp command as it contains unsupported flags"
  else
    # Add the server with a unique name to avoid conflicts
    # Use md5 on macOS or md5sum on Linux
    if command -v md5 > /dev/null 2>&1; then
      SERVER_ID=$(date +%s | md5 | head -c 6)
    elif command -v md5sum > /dev/null 2>&1; then
      SERVER_ID=$(date +%s | md5sum | head -c 6)
    else
      SERVER_ID=$(date +%s | cksum | head -c 6)
    fi
    
    # Use the original name if available, otherwise use a unique name
    if [ "$CONFIG_NAME" = "null" ]; then
      UNIQUE_NAME="server-${SERVER_ID}"
    else
      UNIQUE_NAME="$CONFIG_NAME"
    fi
    
    claude mcp add "$UNIQUE_NAME" "$CONFIG_COMMAND" $ADD_ARGS
    
    # Wait a moment for the operation to complete
    sleep 1
  fi
done

echo "MCP server synchronization complete!"