Unhide flag and run npm gen

Author: beaufortfrancois

README.md

@@ -584,6 +584,10 @@ The Chrome DevTools MCP server supports the following configuration option:
   Exposes experimental screencast tools (requires ffmpeg). Install ffmpeg https://www.ffmpeg.org/download.html and ensure it is available in the MCP server PATH.
   - **Type:** boolean
 
+- **`--experimentalWebmcp`/ `--experimental-webmcp`**
+  Set to true to enable debugging WebMCP tools.
+  - **Type:** boolean
+
 - **`--chromeArg`/ `--chrome-arg`**
   Additional arguments for Chrome. Only applies when Chrome is launched by chrome-devtools-mcp.
   - **Type:** array

src/bin/chrome-devtools-mcp-cli-options.ts

@@ -188,7 +188,6 @@ export const cliOptions = {
   experimentalWebmcp: {
     type: 'boolean',
     describe: 'Set to true to enable debugging WebMCP tools.',
-    hidden: true,
   },
   chromeArg: {
     type: 'array',

src/telemetry/tool_call_metrics.json

@@ -543,5 +543,18 @@
   {
     "name": "list_webmcp_tools",
     "args": []
+  },
+  {
+    "name": "execute_webmcp_tool",
+    "args": [
+      {
+        "name": "tool_name_length",
+        "argType": "number"
+      },
+      {
+        "name": "input_length",
+        "argType": "number"
+      }
+    ]
   }
 ]

src/tools/webmcp.ts

@@ -4,9 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import {
-  zod,
-} from '../third_party/index.js';
+import {zod} from '../third_party/index.js';
 
 import {ToolCategory} from './categories.js';
 import {definePageTool} from './ToolDefinition.js';
@@ -64,7 +62,9 @@ export const executeWebMcpTool = definePageTool({
       throw new Error(`Tool ${toolName} not found`);
     }
 
-    const {status, output, errorText } = await tool.execute(input);
-    response.appendResponseLine(JSON.stringify({status, output, errorText }, null, 2));
+    const {status, output, errorText} = await tool.execute(input);
+    response.appendResponseLine(
+      JSON.stringify({status, output, errorText}, null, 2),
+    );
   },
 });

tests/index.test.ts

@@ -168,7 +168,9 @@ describe('e2e', () => {
       async client => {
         const {tools} = await client.listTools();
         const listWebMcpTools = tools.find(t => t.name === 'list_webmcp_tools');
-        const executeWebMcpTool = tools.find(t => t.name === 'execute_webmcp_tool');
+        const executeWebMcpTool = tools.find(
+          t => t.name === 'execute_webmcp_tool',
+        );
         assert.ok(listWebMcpTools);
         assert.ok(executeWebMcpTool);
       },

tests/tools/webmcp.test.ts

@@ -7,11 +7,11 @@
 import assert from 'node:assert';
 import {describe, it} from 'node:test';
 
+import type {ParsedArguments} from '../../src/bin/chrome-devtools-mcp-cli-options.js';
+import type {McpPage} from '../../src/McpPage.js';
 import {listPages, navigatePage, selectPage} from '../../src/tools/pages.js';
-import {html, withMcpContext} from '../utils.js';
 import {executeWebMcpTool} from '../../src/tools/webmcp.js';
-import {ParsedArguments} from '../../src/bin/chrome-devtools-mcp-cli-options.js';
-import {McpPage} from '../../src/McpPage.js';
+import {html, withMcpContext} from '../utils.js';
 
 describe('webmcp', () => {
   describe('list_webmcp_tools', () => {