diff --git a/crates/goose-cli/src/session/builder.rs b/crates/goose-cli/src/session/builder.rs
index d4b1b812a1ed..6b44c2f17a3d 100644
--- a/crates/goose-cli/src/session/builder.rs
+++ b/crates/goose-cli/src/session/builder.rs
@@ -342,6 +342,7 @@ pub async fn build_session(session_config: SessionBuilderConfig) -> Session {
     // Extensions need to be added after the session is created because we change directory when resuming a session
     // If we get extensions_override, only run those extensions and none other
     let extensions_to_run: Vec<_> = if let Some(extensions) = session_config.extensions_override {
+        agent.disable_router_for_recipe().await;
         extensions.into_iter().collect()
     } else {
         ExtensionConfigManager::get_all()
diff --git a/crates/goose/src/agents/agent.rs b/crates/goose/src/agents/agent.rs
index d412517ecfdd..4d14f926b44b 100644
--- a/crates/goose/src/agents/agent.rs
+++ b/crates/goose/src/agents/agent.rs
@@ -97,6 +97,7 @@ pub struct Agent {
     pub(super) tool_result_rx: ToolResultReceiver,
     pub(super) tool_monitor: Arc<Mutex<Option<ToolMonitor>>>,
     pub(super) router_tool_selector: Mutex<Option<Arc<Box<dyn RouterToolSelector>>>>,
+    pub(super) router_disabled_override: Mutex<bool>,
     pub(super) scheduler_service: Mutex<Option<Arc<dyn SchedulerTrait>>>,
     pub(super) retry_manager: RetryManager,
 }
@@ -172,6 +173,7 @@ impl Agent {
             tool_result_rx: Arc::new(Mutex::new(tool_rx)),
             tool_monitor,
             router_tool_selector: Mutex::new(None),
+            router_disabled_override: Mutex::new(false),
             scheduler_service: Mutex::new(None),
             retry_manager,
         }
@@ -336,6 +338,11 @@ impl Agent {
         *scheduler_service = Some(scheduler);
     }
 
+    pub async fn disable_router_for_recipe(&self) {
+        *self.router_disabled_override.lock().await = true;
+        *self.router_tool_selector.lock().await = None;
+    }
+
     /// Get a reference count clone to the provider
     pub async fn provider(&self) -> Result<Arc<dyn Provider>, anyhow::Error> {
         match &*self.provider.lock().await {
@@ -477,7 +484,7 @@ impl Agent {
             || tool_call.name == ROUTER_LLM_SEARCH_TOOL_NAME
         {
             let selector = self.router_tool_selector.lock().await.clone();
-            let mut selected_tools = match selector.as_ref() {
+            let selected_tools = match selector.as_ref() {
                 Some(selector) => match selector.select_tools(tool_call.arguments.clone()).await {
                     Ok(tools) => tools,
                     Err(e) => {
@@ -500,18 +507,6 @@ impl Agent {
                 }
             };
 
-            // Append final_output tool if present (for structured output recipes, [Issue #3700](https://github.com/block/goose/issues/3700)
-            if let Some(final_output_tool) = self.final_output_tool.lock().await.as_ref() {
-                let tool = final_output_tool.tool();
-                let tool_content = Content::text(format!(
-                    "Tool: {}\nDescription: {}\nSchema: {}",
-                    tool.name,
-                    tool.description.unwrap_or_default(),
-                    serde_json::to_string_pretty(&tool.input_schema).unwrap_or_default()
-                ));
-                selected_tools.push(tool_content);
-            }
-
             ToolCallResult::from(Ok(selected_tools))
         } else {
             // Clone the result to ensure no references to extension_manager are returned
@@ -750,6 +745,10 @@ impl Agent {
         &self,
         strategy: Option<RouterToolSelectionStrategy>,
     ) -> Vec<Tool> {
+        if *self.router_disabled_override.lock().await {
+            return vec![];
+        }
+
         let mut prefixed_tools = vec![];
         match strategy {
             Some(RouterToolSelectionStrategy::Vector) => {
@@ -1151,6 +1150,10 @@ impl Agent {
         provider: Option<Arc<dyn Provider>>,
         reindex_all: Option<bool>,
     ) -> Result<()> {
+        if *self.router_disabled_override.lock().await {
+            return Ok(());
+        }
+
         let config = Config::global();
         let _extension_manager = self.extension_manager.read().await;
         let provider = match provider {
diff --git a/crates/goose/src/agents/reply_parts.rs b/crates/goose/src/agents/reply_parts.rs
index 61452c01eac2..9ef7a18f93d0 100644
--- a/crates/goose/src/agents/reply_parts.rs
+++ b/crates/goose/src/agents/reply_parts.rs
@@ -48,16 +48,21 @@ impl Agent {
         };
 
         // Get tools from extension manager
-        let mut tools = match tool_selection_strategy {
-            Some(RouterToolSelectionStrategy::Vector) => {
-                self.list_tools_for_router(Some(RouterToolSelectionStrategy::Vector))
-                    .await
-            }
-            Some(RouterToolSelectionStrategy::Llm) => {
-                self.list_tools_for_router(Some(RouterToolSelectionStrategy::Llm))
-                    .await
+        let mut tools = if *self.router_disabled_override.lock().await {
+            // If router is disabled, use regular tools
+            self.list_tools(None).await
+        } else {
+            match tool_selection_strategy {
+                Some(RouterToolSelectionStrategy::Vector) => {
+                    self.list_tools_for_router(Some(RouterToolSelectionStrategy::Vector))
+                        .await
+                }
+                Some(RouterToolSelectionStrategy::Llm) => {
+                    self.list_tools_for_router(Some(RouterToolSelectionStrategy::Llm))
+                        .await
+                }
+                _ => self.list_tools(None).await,
             }
-            _ => self.list_tools(None).await,
         };
         // Add frontend tools
         let frontend_tools = self.frontend_tools.lock().await;