diff --git a/plugins/coco_coverage/src/lib.rs b/plugins/coco_coverage/src/lib.rs
index b937bd43..49461f11 100644
--- a/plugins/coco_coverage/src/lib.rs
+++ b/plugins/coco_coverage/src/lib.rs
@@ -29,8 +29,38 @@ use std::{process, thread};
 
 use grcov::*;
 
+use core_model::CocoConfig;
+use plugin_interface::PluginInterface;
+
+pub struct CocoCoverage {}
+
+impl PluginInterface for CocoCoverage {
+    fn name(&self) -> &'static str {
+        "coco.coverage"
+    }
+
+    fn on_plugin_load(&self) {}
+
+    fn on_plugin_unload(&self) {}
+
+    fn execute(&self, config: CocoConfig) {
+        println!("{:?}", config);
+    }
+}
+
+impl Default for CocoCoverage {
+    fn default() -> Self {
+        CocoCoverage {}
+    }
+}
+
+#[no_mangle]
+pub fn plugin() -> Box<dyn PluginInterface> {
+    Box::new(CocoCoverage::default())
+}
+
 #[allow(dead_code)]
-fn main() {
+fn run() {
     let default_num_threads = 1.max(num_cpus::get() - 1).to_string();
 
     let matches = App::new("grcov")
diff --git a/plugins/coco_struct_analysis/src/lib.rs b/plugins/coco_struct_analysis/src/lib.rs
index 115cc24c..cf4e165f 100644
--- a/plugins/coco_struct_analysis/src/lib.rs
+++ b/plugins/coco_struct_analysis/src/lib.rs
@@ -1,4 +1,29 @@
-#[allow(dead_code)]
-fn main() {
-    println!("Hello, world!");
+use core_model::CocoConfig;
+use plugin_interface::PluginInterface;
+
+pub struct CocoStructAnslysis {}
+
+impl PluginInterface for CocoStructAnslysis {
+    fn name(&self) -> &'static str {
+        "coco.struct_analysis"
+    }
+
+    fn on_plugin_load(&self) {}
+
+    fn on_plugin_unload(&self) {}
+
+    fn execute(&self, config: CocoConfig) {
+        println!("{:?}", config);
+    }
+}
+
+impl Default for CocoStructAnslysis {
+    fn default() -> Self {
+        CocoStructAnslysis {}
+    }
+}
+
+#[no_mangle]
+pub fn plugin() -> Box<dyn PluginInterface> {
+    Box::new(CocoStructAnslysis::default())
 }