# Bootstrap class plugins All bootstrap plugins are optional, due to unexpected risk. Bootstrap plugins are provided in `bootstrap-plugins` folder. For using these plugins, you need to put the target plugin jar file into `/plugins`. Now, we have the following known bootstrap plugins. * Plugin of JDK HttpURLConnection. Agent is compatible with JDK 1.8+ * Plugin of JDK Callable and Runnable. Agent is compatible with JDK 1.8+