diff --git a/logos/runtime/ext/src/lib.rs b/logos/runtime/ext/src/lib.rs
index 177823b..8701c6c 100644
--- a/logos/runtime/ext/src/lib.rs
+++ b/logos/runtime/ext/src/lib.rs
@@ -44,7 +44,7 @@ impl Application for LbcExtEnv {
     type FeedRuntime = <LbcEnv as Application>::FeedRuntime;
 
     fn external_node_client(source: &ExternalNodeSource) -> Result<Self::NodeClient, DynError> {
-        let base_url = Url::parse(&source.endpoint)?;
+        let base_url = Url::parse(source.endpoint())?;
         Ok(NodeHttpClient::from_urls(base_url, None))
     }
 
diff --git a/testing-framework/core/src/scenario/runtime/providers/external_provider.rs b/testing-framework/core/src/scenario/runtime/providers/external_provider.rs
index 343a35c..1a1beb6 100644
--- a/testing-framework/core/src/scenario/runtime/providers/external_provider.rs
+++ b/testing-framework/core/src/scenario/runtime/providers/external_provider.rs
@@ -71,11 +71,11 @@ impl<E: Application> ExternalProvider<E> for ApplicationExternalProvider {
             .map(|source| {
                 E::external_node_client(source)
                     .map(|client| ExternalNode {
-                        identity_hint: Some(source.label.clone()),
+                        identity_hint: Some(source.label().to_string()),
                         client,
                     })
                     .map_err(|build_error| ExternalProviderError::Build {
-                        source_label: source.label.clone(),
+                        source_label: source.label().to_string(),
                         source: build_error,
                     })
             })
diff --git a/testing-framework/core/src/scenario/sources/model.rs b/testing-framework/core/src/scenario/sources/model.rs
index 903aff1..c107d7c 100644
--- a/testing-framework/core/src/scenario/sources/model.rs
+++ b/testing-framework/core/src/scenario/sources/model.rs
@@ -49,8 +49,8 @@ impl AttachSource {
 /// inventory.
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct ExternalNodeSource {
-    pub label: String,
-    pub endpoint: String,
+    label: String,
+    endpoint: String,
 }
 
 impl ExternalNodeSource {
@@ -58,6 +58,16 @@ impl ExternalNodeSource {
     pub fn new(label: String, endpoint: String) -> Self {
         Self { label, endpoint }
     }
+
+    #[must_use]
+    pub fn label(&self) -> &str {
+        &self.label
+    }
+
+    #[must_use]
+    pub fn endpoint(&self) -> &str {
+        &self.endpoint
+    }
 }
 
 /// Planned readiness strategy for mixed managed/attached/external sources.
diff --git a/testing-framework/deployers/local/src/external.rs b/testing-framework/deployers/local/src/external.rs
index 713c5be..696d05e 100644
--- a/testing-framework/deployers/local/src/external.rs
+++ b/testing-framework/deployers/local/src/external.rs
@@ -35,8 +35,8 @@ pub fn build_external_client<E: LocalDeployerEnv>(
 }
 
 fn resolve_api_socket(source: &ExternalNodeSource) -> Result<std::net::SocketAddr, DynError> {
-    let source_label = source.label.clone();
-    let endpoint = source.endpoint.trim();
+    let source_label = source.label().to_string();
+    let endpoint = source.endpoint().trim();
     if endpoint.is_empty() {
         return Err(ExternalClientBuildError::EmptyEndpoint {
             label: source_label,