private void addDefaultTools() {
		ImportGhidraToolsDialog dialog = new ImportGhidraToolsDialog(tool);
		dialog.showDialog();
		if (dialog.isCancelled()) {
			return;
		}

		List<String> list = dialog.getSelectedList();
		for (String filename : list) {
			addDefaultTool(filename);
		}
	}
Get the default tools from the defaultTools location.
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/ToolActionManager.java