From 772b8af92e3b03e1d3a0264787aede3347206076 Mon Sep 17 00:00:00 2001
From: miguel <miguelg71921@gmail.com>
Date: Fri, 5 Dec 2025 13:06:18 -0800
Subject: [PATCH 1/3] Fix key mapping in Anthropic CUA Client

---
 .changeset/shy-sides-crash.md                      |  5 +++++
 packages/core/lib/v3/agent/AnthropicCUAClient.ts   | 14 ++------------
 packages/core/lib/v3/handlers/v3CuaAgentHandler.ts |  1 +
 3 files changed, 8 insertions(+), 12 deletions(-)
 create mode 100644 .changeset/shy-sides-crash.md

diff --git a/.changeset/shy-sides-crash.md b/.changeset/shy-sides-crash.md
new file mode 100644
index 000000000..0c83fecfe
--- /dev/null
+++ b/.changeset/shy-sides-crash.md
@@ -0,0 +1,5 @@
+---
+"@browserbasehq/stagehand": patch
+---
+
+Fix key action mapping in Anthropic CUA
diff --git a/packages/core/lib/v3/agent/AnthropicCUAClient.ts b/packages/core/lib/v3/agent/AnthropicCUAClient.ts
index e1fbe5a1a..21e05c47a 100644
--- a/packages/core/lib/v3/agent/AnthropicCUAClient.ts
+++ b/packages/core/lib/v3/agent/AnthropicCUAClient.ts
@@ -15,7 +15,6 @@ import { AgentScreenshotProviderError } from "../types/public/sdkErrors";
 import Anthropic from "@anthropic-ai/sdk";
 import { ToolSet } from "ai";
 import { AgentClient } from "./AgentClient";
-import { mapKeyToPlaywright } from "./utils/cuaKeyMapping";
 import { compressConversationImages } from "./utils/imageCompression";
 import { toJsonSchema } from "../zodCompat";
 import type { StagehandZodSchema } from "../zodCompat";
@@ -772,10 +771,10 @@ export class AnthropicCUAClient extends AgentClient {
             text: input.text as string,
             ...input,
           };
-        } else if (action === "keypress") {
+        } else if (action === "keypress" || action === "key") {
           return {
             type: "keypress",
-            keys: input.keys as string[],
+            keys: input.text as string[],
             ...input,
           };
         } else if (action === "double_click" || action === "doubleClick") {
@@ -865,15 +864,6 @@ export class AnthropicCUAClient extends AgentClient {
             type: "wait",
             ...input,
           };
-        } else if (action === "key") {
-          const text = input.text as string;
-          const mappedKey = mapKeyToPlaywright(text);
-
-          return {
-            type: "key",
-            text: mappedKey,
-            ...input,
-          };
         } else if (action === "left_click") {
           // Convert left_click to regular click
           const coordinates = input.coordinate as number[] | undefined;
diff --git a/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts b/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts
index 33b67721b..ee63f146b 100644
--- a/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts
+++ b/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts
@@ -276,6 +276,7 @@ export class V3CuaAgentHandler {
         return { success: true };
       }
       case "keypress": {
+        console.log("keypress", action);
         const { keys } = action;
         const keyList = Array.isArray(keys) ? keys : [keys];
         const stagehandActions: Action[] = [];

From cbedcdd1f9164e7255081ff7e4b4f1a4e376eb2c Mon Sep 17 00:00:00 2001
From: miguel <miguelg71921@gmail.com>
Date: Fri, 5 Dec 2025 13:17:26 -0800
Subject: [PATCH 2/3] remove log

---
 packages/core/lib/v3/handlers/v3CuaAgentHandler.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts b/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts
index ee63f146b..33b67721b 100644
--- a/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts
+++ b/packages/core/lib/v3/handlers/v3CuaAgentHandler.ts
@@ -276,7 +276,6 @@ export class V3CuaAgentHandler {
         return { success: true };
       }
       case "keypress": {
-        console.log("keypress", action);
         const { keys } = action;
         const keyList = Array.isArray(keys) ? keys : [keys];
         const stagehandActions: Action[] = [];

From b9716b927267a9743e5c1099df84e672265bd6bd Mon Sep 17 00:00:00 2001
From: Sean McGuire <75873287+seanmcguire12@users.noreply.github.com>
Date: Fri, 5 Dec 2025 13:36:05 -0800
Subject: [PATCH 3/3] Update packages/core/lib/v3/agent/AnthropicCUAClient.ts

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>
---
 packages/core/lib/v3/agent/AnthropicCUAClient.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/lib/v3/agent/AnthropicCUAClient.ts b/packages/core/lib/v3/agent/AnthropicCUAClient.ts
index 21e05c47a..e425b8f98 100644
--- a/packages/core/lib/v3/agent/AnthropicCUAClient.ts
+++ b/packages/core/lib/v3/agent/AnthropicCUAClient.ts
@@ -774,7 +774,7 @@ export class AnthropicCUAClient extends AgentClient {
         } else if (action === "keypress" || action === "key") {
           return {
             type: "keypress",
-            keys: input.text as string[],
+            keys: [input.text as string],
             ...input,
           };
         } else if (action === "double_click" || action === "doubleClick") {