diff --git a/Cargo.lock b/Cargo.lock
index 6ac2599..d825f9c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -859,13 +859,6 @@ dependencies = [
  "url",
 ]
 
-[[package]]
-name = "example-topology"
-version = "0.1.0"
-dependencies = [
- "rand",
-]
-
 [[package]]
 name = "example-tui"
 version = "0.1.0"
diff --git a/examples/nanodc/src/main.rs b/examples/nanodc/src/main.rs
index 3a683d0..66a5de5 100644
--- a/examples/nanodc/src/main.rs
+++ b/examples/nanodc/src/main.rs
@@ -12,6 +12,12 @@ async fn main() {
     let mut maestro = Maestro::new(inventory, topology);
 
     maestro.register_all(vec![
+        // ADD scores :
+        // 1. OPNSense setup scores
+        // 2. Bootstrap node setup
+        // 3. Control plane setup
+        // 4. Workers setup
+        // 5. Various tools and apps setup
         Box::new(SuccessScore {}),
         Box::new(ErrorScore {}),
         Box::new(PanicScore {}),
diff --git a/examples/opnsense/src/main.rs b/examples/opnsense/src/main.rs
index 6315390..ddf781d 100644
--- a/examples/opnsense/src/main.rs
+++ b/examples/opnsense/src/main.rs
@@ -12,7 +12,7 @@ use harmony::{
     modules::{
         dummy::{ErrorScore, PanicScore, SuccessScore},
         http::HttpScore,
-        okd::{dhcp::OKDDhcpScore, dns::OKDDnsScore},
+        okd::{dhcp::OKDDhcpScore, dns::OKDDnsScore, load_balancer::OKDLoadBalancerScore},
         opnsense::OPNsenseShellCommandScore,
         tftp::TftpScore,
     },
@@ -78,8 +78,7 @@ async fn main() {
 
     let dhcp_score = OKDDhcpScore::new(&topology, &inventory);
     let dns_score = OKDDnsScore::new(&topology);
-    let load_balancer_score =
-        harmony::modules::okd::load_balancer::OKDLoadBalancerScore::new(&topology);
+    let load_balancer_score = OKDLoadBalancerScore::new(&topology);
 
     let tftp_score = TftpScore::new(Url::LocalFolder("./data/watchguard/tftpboot".to_string()));
     let http_score = HttpScore::new(Url::LocalFolder(
diff --git a/harmony/src/domain/score.rs b/harmony/src/domain/score.rs
index 6e4eed4..f1b9378 100644
--- a/harmony/src/domain/score.rs
+++ b/harmony/src/domain/score.rs
@@ -19,3 +19,5 @@ where
         Box::new(self.clone())
     }
 }
+
+pub trait FrontendScore<T: Topology>: Score<T> + std::fmt::Display {}
diff --git a/harmony/src/domain/topology/ha_cluster.rs b/harmony/src/domain/topology/ha_cluster.rs
index 0e9230b..b6c1c9a 100644
--- a/harmony/src/domain/topology/ha_cluster.rs
+++ b/harmony/src/domain/topology/ha_cluster.rs
@@ -334,6 +334,7 @@ impl TftpServer for DummyInfra {
 #[async_trait]
 impl HttpServer for DummyInfra {
     async fn serve_files(&self, _url: &Url) -> Result<(), ExecutorError> {
+
         unimplemented!("{}", UNIMPLEMENTED_DUMMY_INFRA)
     }
     fn get_ip(&self) -> IpAddress {
diff --git a/harmony/src/modules/load_balancer.rs b/harmony/src/modules/load_balancer.rs
index f590fa1..91ff16b 100644
--- a/harmony/src/modules/load_balancer.rs
+++ b/harmony/src/modules/load_balancer.rs
@@ -5,7 +5,7 @@ use crate::{
     data::{Id, Version},
     interpret::{Interpret, InterpretError, InterpretName, InterpretStatus, Outcome},
     inventory::Inventory,
-    score::Score,
+    score::{FrontendScore, Score},
     topology::{LoadBalancer, LoadBalancerService, Topology},
 };
 
@@ -19,6 +19,8 @@ pub struct LoadBalancerScore {
     // uuid?
 }
 
+impl <T: Topology + LoadBalancer> FrontendScore<T> for LoadBalancerScore {}
+
 impl<T: Topology + LoadBalancer> Score<T> for LoadBalancerScore {
     fn create_interpret(&self) -> Box<dyn Interpret<T>> {
         Box::new(LoadBalancerInterpret::new(self.clone()))
diff --git a/harmony/src/modules/okd/load_balancer.rs b/harmony/src/modules/okd/load_balancer.rs
index c3b5264..47185e1 100644
--- a/harmony/src/modules/okd/load_balancer.rs
+++ b/harmony/src/modules/okd/load_balancer.rs
@@ -3,12 +3,20 @@ use std::net::SocketAddr;
 use crate::{
     interpret::Interpret,
     modules::load_balancer::LoadBalancerScore,
-    score::Score,
+    score::{FrontendScore, Score},
     topology::{
         BackendServer, HAClusterTopology, HealthCheck, HttpMethod, HttpStatusCode, LoadBalancer, LoadBalancerService, Topology
     },
 };
 
+impl std::fmt::Display for OKDLoadBalancerScore {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        todo!()
+    }
+}
+
+impl <T: Topology + LoadBalancer> FrontendScore<T> for OKDLoadBalancerScore {}
+
 #[derive(Debug, Clone)]
 pub struct OKDLoadBalancerScore {
     load_balancer_score: LoadBalancerScore,
diff --git a/harmony_tui/src/widget/score.rs b/harmony_tui/src/widget/score.rs
index 514ab79..ea62249 100644
--- a/harmony_tui/src/widget/score.rs
+++ b/harmony_tui/src/widget/score.rs
@@ -1,7 +1,7 @@
 use std::sync::{Arc, RwLock};
 
 use crossterm::event::{Event, KeyCode, KeyEventKind};
-use harmony::{score::Score, topology::Topology};
+use harmony::{modules::okd::load_balancer::OKDLoadBalancerScore, score::Score, topology::{LoadBalancer, Topology}};
 use log::{info, warn};
 use ratatui::{
     layout::Rect, style::{Style, Stylize}, widgets::{List, ListItem, ListState, StatefulWidget, Widget}, Frame
@@ -23,10 +23,12 @@ struct Execution<T: Topology> {
     score: Box<dyn Score<T>>,
 }
 
+impl <T: Topology + LoadBalancer> FrontendScore<T> for OKDLoadBalancerScore {}
+
 #[derive(Debug)]
 pub(crate) struct ScoreListWidget<T: Topology> {
     list_state: Arc<RwLock<ListState>>,
-    scores: Vec<Box<dyn Score<T>>>,
+    scores: Vec<Box<dyn FrontendScore<T>>>,
     execution: Option<Execution<T>>,
     execution_history: Vec<Execution<T>>,
     sender: mpsc::Sender<HarmonyTuiEvent<T>>,