From 88b36442ad49ef51d7d3e61702f856e1b680dadf Mon Sep 17 00:00:00 2001
From: tkattkat <tkat@tkat.net>
Date: Tue, 7 Oct 2025 14:04:51 -0700
Subject: [PATCH 1/2] add goto tool to anthropic cua client

---
 lib/agent/AnthropicCUAClient.ts | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/lib/agent/AnthropicCUAClient.ts b/lib/agent/AnthropicCUAClient.ts
index b6d655b6c..8400231ce 100644
--- a/lib/agent/AnthropicCUAClient.ts
+++ b/lib/agent/AnthropicCUAClient.ts
@@ -435,6 +435,20 @@ export class AnthropicCUAClient extends AgentClient {
             display_height_px: this.currentViewport.height,
             display_number: 1,
           },
+          {
+            name: "goto",
+            description: "Navigate to a specific URL",
+            input_schema: {
+              type: "object",
+              properties: {
+                url: {
+                  type: "string",
+                  description: "The URL to navigate to",
+                },
+              },
+              required: ["url"],
+            },
+          },
         ],
         betas: ["computer-use-2025-01-24"],
       };
@@ -585,9 +599,16 @@ export class AnthropicCUAClient extends AgentClient {
             level: 2,
           });
         } else {
-          // Handle custom tools
+          // Handle custom tools and built-in tools like goto
           let toolResult = "Tool executed successfully";
-          if (this.tools && item.name in this.tools) {
+          if (item.name === "goto") {
+            try {
+              const url = item.input.url;
+              toolResult = `Successfully navigated to ${url}`;
+            } catch (error) {
+              toolResult = `Error with goto: ${error instanceof Error ? error.message : String(error)}`;
+            }
+          } else if (this.tools && item.name in this.tools) {
             try {
               const tool = this.tools[item.name];
 
@@ -890,6 +911,12 @@ export class AnthropicCUAClient extends AgentClient {
             ...input,
           };
         }
+      } else if (name === "goto") {
+        return {
+          type: "function",
+          name: "goto",
+          arguments: { url: input.url },
+        };
       } else if (name === "str_replace_editor" || name === "bash") {
         // For editor or bash tools
         return {

From 044763da7fad07c8087711cdf25f41f88186e568 Mon Sep 17 00:00:00 2001
From: tkattkat <tkat@tkat.net>
Date: Tue, 7 Oct 2025 15:59:26 -0700
Subject: [PATCH 2/2] changeset

---
 .changeset/afraid-comics-beam.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/afraid-comics-beam.md

diff --git a/.changeset/afraid-comics-beam.md b/.changeset/afraid-comics-beam.md
new file mode 100644
index 000000000..0fa5ea72a
--- /dev/null
+++ b/.changeset/afraid-comics-beam.md
@@ -0,0 +1,5 @@
+---
+"@browserbasehq/stagehand": patch
+---
+
+Add goto tool to anthropicCuaClient