diff --git a/codex-rs/chatgpt/src/chatgpt_client.rs b/codex-rs/chatgpt/src/chatgpt_client.rs
index a4545f075e..d450f7c59e 100644
--- a/codex-rs/chatgpt/src/chatgpt_client.rs
+++ b/codex-rs/chatgpt/src/chatgpt_client.rs
@@ -44,6 +44,6 @@ pub(crate) async fn chatgpt_get_request<T: DeserializeOwned>(
     } else {
         let status = response.status();
         let body = response.text().await.unwrap_or_default();
-        anyhow::bail!("Request failed with status {}: {}", status, body)
+        anyhow::bail!("Request failed with status {status}: {body}")
     }
 }
diff --git a/codex-rs/core/src/config.rs b/codex-rs/core/src/config.rs
index 5b5b60f8df..4e236fb1d4 100644
--- a/codex-rs/core/src/config.rs
+++ b/codex-rs/core/src/config.rs
@@ -415,7 +415,7 @@ fn set_project_trusted_inner(doc: &mut DocumentMut, project_path: &Path) -> anyh
         .get_mut(project_key.as_str())
         .and_then(|i| i.as_table_mut())
     else {
-        return Err(anyhow::anyhow!("project table missing for {}", project_key));
+        return Err(anyhow::anyhow!("project table missing for {project_key}"));
     };
     proj_tbl.set_implicit(false);
     proj_tbl["trust_level"] = toml_edit::value("trusted");
diff --git a/codex-rs/core/src/mcp_connection_manager.rs b/codex-rs/core/src/mcp_connection_manager.rs
index 5648e20b3b..91cdaa0070 100644
--- a/codex-rs/core/src/mcp_connection_manager.rs
+++ b/codex-rs/core/src/mcp_connection_manager.rs
@@ -186,8 +186,7 @@ impl McpConnectionManager {
             // Validate server name before spawning
             if !is_valid_mcp_server_name(&server_name) {
                 let error = anyhow::anyhow!(
-                    "invalid server name '{}': must match pattern ^[a-zA-Z0-9_-]+$",
-                    server_name
+                    "invalid server name '{server_name}': must match pattern ^[a-zA-Z0-9_-]+$"
                 );
                 errors.insert(server_name, error);
                 continue;
diff --git a/codex-rs/mcp-client/src/mcp_client.rs b/codex-rs/mcp-client/src/mcp_client.rs
index 087335e66b..27f96494ee 100644
--- a/codex-rs/mcp-client/src/mcp_client.rs
+++ b/codex-rs/mcp-client/src/mcp_client.rs
@@ -274,8 +274,7 @@ impl McpClient {
                 err.error.code, err.error.message
             ))),
             other => Err(anyhow!(format!(
-                "unexpected message variant received in reply path: {:?}",
-                other
+                "unexpected message variant received in reply path: {other:?}"
             ))),
         }
     }
diff --git a/codex-rs/protocol-ts/src/lib.rs b/codex-rs/protocol-ts/src/lib.rs
index 3aec3d892f..22f7317340 100644
--- a/codex-rs/protocol-ts/src/lib.rs
+++ b/codex-rs/protocol-ts/src/lib.rs
@@ -66,7 +66,7 @@ pub fn generate_ts(out_dir: &Path, prettier: Option<&Path>) -> Result<()> {
             .status()
             .with_context(|| format!("Failed to invoke Prettier at {}", prettier_bin.display()))?;
         if !status.success() {
-            return Err(anyhow!("Prettier failed with status {}", status));
+            return Err(anyhow!("Prettier failed with status {status}"));
         }
     }