diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 4268666fc6..f95eb7a299 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -3182,6 +3182,7 @@ dependencies = [
  "codex-core",
  "codex-extension-api",
  "codex-features",
+ "codex-otel",
  "codex-tools",
  "codex-utils-absolute-path",
  "codex-utils-output-truncation",
diff --git a/codex-rs/app-server/src/extensions.rs b/codex-rs/app-server/src/extensions.rs
index 689eae2e9d..20a21a94cc 100644
--- a/codex-rs/app-server/src/extensions.rs
+++ b/codex-rs/app-server/src/extensions.rs
@@ -18,7 +18,7 @@ where
 {
     let mut builder = ExtensionRegistryBuilder::<Config>::new();
     codex_guardian::install(&mut builder, guardian_agent_spawner);
-    codex_memories_extension::install(&mut builder);
+    codex_memories_extension::install(&mut builder, codex_otel::global());
     Arc::new(builder.build())
 }
 
diff --git a/codex-rs/core/tests/suite/cli_stream.rs b/codex-rs/core/tests/suite/cli_stream.rs
index edde7b447e..361096943e 100644
--- a/codex-rs/core/tests/suite/cli_stream.rs
+++ b/codex-rs/core/tests/suite/cli_stream.rs
@@ -68,27 +68,6 @@ async fn responses_mode_stream_cli() {
 
     let request = resp_mock.single_request();
     assert_eq!(request.path(), "/v1/responses");
-
-    // TODO(jif) fix
-    // // Verify a new session rollout was created and is discoverable via list_conversations
-    // let provider_filter = vec!["mock".to_string()];
-    // let page = RolloutRecorder::list_threads(
-    //     home.path(),
-    //     10,
-    //     None,
-    //     codex_core::ThreadSortKey::UpdatedAt,
-    //     &[],
-    //     Some(provider_filter.as_slice()),
-    //     "mock",
-    // )
-    // .await
-    // .expect("list conversations");
-    // assert!(
-    //     !page.items.is_empty(),
-    //     "expected at least one session to be listed"
-    // );
-    // assert!(page.items[0].thread_id.is_some(), "missing thread_id");
-    // assert!(page.items[0].created_at.is_some(), "missing created_at");
 }
 
 /// Ensures `openai_base_url` config override routes built-in openai provider requests.
diff --git a/codex-rs/ext/memories/Cargo.toml b/codex-rs/ext/memories/Cargo.toml
index ca55eba84a..68eeaf8ec1 100644
--- a/codex-rs/ext/memories/Cargo.toml
+++ b/codex-rs/ext/memories/Cargo.toml
@@ -17,6 +17,7 @@ async-trait = { workspace = true }
 codex-core = { workspace = true }
 codex-extension-api = { workspace = true }
 codex-features = { workspace = true }
+codex-otel = { workspace = true }
 codex-tools = { workspace = true }
 codex-utils-absolute-path = { workspace = true }
 codex-utils-output-truncation = { workspace = true }
diff --git a/codex-rs/ext/memories/src/extension.rs b/codex-rs/ext/memories/src/extension.rs
index 70f9f5ddcd..67d87fd125 100644
--- a/codex-rs/ext/memories/src/extension.rs
+++ b/codex-rs/ext/memories/src/extension.rs
@@ -10,6 +10,7 @@ use codex_extension_api::ThreadLifecycleContributor;
 use codex_extension_api::ThreadStartInput;
 use codex_extension_api::ToolContributor;
 use codex_features::Feature;
+use codex_otel::MetricsClient;
 use codex_utils_absolute_path::AbsolutePathBuf;
 
 use crate::local::LocalMemoriesBackend;
@@ -17,8 +18,18 @@ use crate::prompts::build_memory_tool_developer_instructions;
 use crate::tools;
 
 /// Contributes Codex memory read-path prompt context and memory read tools.
-#[derive(Clone, Copy, Debug, Default)]
-pub(crate) struct MemoriesExtension;
+#[derive(Clone, Default)]
+pub(crate) struct MemoriesExtension {
+    _metrics_client: Option<MetricsClient>,
+}
+
+impl MemoriesExtension {
+    fn new(metrics_client: Option<MetricsClient>) -> Self {
+        Self {
+            _metrics_client: metrics_client,
+        }
+    }
+}
 
 #[derive(Clone, Debug)]
 pub(crate) struct MemoriesExtensionConfig {
@@ -97,8 +108,11 @@ impl ToolContributor for MemoriesExtension {
 }
 
 /// Installs the memories extension contributors into the extension registry.
-pub fn install(registry: &mut ExtensionRegistryBuilder<Config>) {
-    let extension = Arc::new(MemoriesExtension);
+pub fn install(
+    registry: &mut ExtensionRegistryBuilder<Config>,
+    metrics_client: Option<MetricsClient>,
+) {
+    let extension = Arc::new(MemoriesExtension::new(metrics_client));
     registry.thread_lifecycle_contributor(extension.clone());
     registry.config_contributor(extension.clone());
     registry.prompt_contributor(extension);
diff --git a/codex-rs/ext/memories/src/tests.rs b/codex-rs/ext/memories/src/tests.rs
index 9f6b8d9d74..0c3380d273 100644
--- a/codex-rs/ext/memories/src/tests.rs
+++ b/codex-rs/ext/memories/src/tests.rs
@@ -23,7 +23,7 @@ use crate::local::LocalMemoriesBackend;
 
 #[test]
 fn tools_are_not_contributed_without_thread_config() {
-    let extension = MemoriesExtension;
+    let extension = MemoriesExtension::default();
 
     assert!(
         extension
@@ -37,7 +37,7 @@ fn tools_are_not_contributed_without_thread_config() {
 
 #[test]
 fn tools_are_not_contributed_when_disabled() {
-    let extension = MemoriesExtension;
+    let extension = MemoriesExtension::default();
     let thread_store = ExtensionData::new("thread");
     thread_store.insert(MemoriesExtensionConfig {
         enabled: false,
@@ -53,7 +53,7 @@ fn tools_are_not_contributed_when_disabled() {
 
 #[test]
 fn tools_are_contributed_when_enabled() {
-    let extension = MemoriesExtension;
+    let extension = MemoriesExtension::default();
     let thread_store = ExtensionData::new("thread");
     thread_store.insert(MemoriesExtensionConfig {
         enabled: true,
@@ -111,7 +111,7 @@ async fn prompt_contribution_uses_memory_summary_when_enabled() {
     .await
     .expect("write memory summary");
 
-    let extension = MemoriesExtension;
+    let extension = MemoriesExtension::default();
     let thread_store = ExtensionData::new("thread");
     thread_store.insert(MemoriesExtensionConfig {
         enabled: true,