feat: support arbitrary args

Author: OrKoN

README.md

@@ -294,7 +294,6 @@ The Chrome DevTools MCP server supports the following configuration option:
 - **`--chromeArg`**
   Additional arguments for Chrome. Only applies when Chrome is launched by chrome-devtools-mcp.
   - **Type:** array
-  - **Default:** ``
 
 <!-- END AUTO GENERATED OPTIONS -->
 

src/cli.ts

@@ -90,7 +90,6 @@ export const cliOptions = {
     type: 'array',
     describe:
       'Additional arguments for Chrome. Only applies when Chrome is launched by chrome-devtools-mcp.',
-    default: [],
   },
 } satisfies Record<string, YargsOptions>;
 

src/main.ts

@@ -69,7 +69,7 @@ server.server.setRequestHandler(SetLevelRequestSchema, () => {
 
 let context: McpContext;
 async function getContext(): Promise<McpContext> {
-  const extraArgs: string[] = [];
+  const extraArgs: string[] = (args.chromeArg ?? []).map(String);
   if (args.proxyServer) {
     extraArgs.push(`--proxy-server=${args.proxyServer}`);
   }

tests/cli.test.ts

@@ -17,8 +17,6 @@ describe('cli args parsing', () => {
       isolated: false,
       $0: 'npx chrome-devtools-mcp@latest',
       channel: 'stable',
-      'chrome-arg': [],
-      chromeArg: [],
     });
   });
 
@@ -37,8 +35,6 @@ describe('cli args parsing', () => {
       'browser-url': 'http://localhost:3000',
       browserUrl: 'http://localhost:3000',
       u: 'http://localhost:3000',
-      'chrome-arg': [],
-      chromeArg: [],
     });
   });
 
@@ -58,8 +54,6 @@ describe('cli args parsing', () => {
       browserUrl: undefined,
       u: undefined,
       channel: 'stable',
-      'chrome-arg': [],
-      chromeArg: [],
     });
   });
 
@@ -78,8 +72,6 @@ describe('cli args parsing', () => {
       'executable-path': '/tmp/test 123/chrome',
       e: '/tmp/test 123/chrome',
       executablePath: '/tmp/test 123/chrome',
-      'chrome-arg': [],
-      chromeArg: [],
     });
   });
 
@@ -100,8 +92,6 @@ describe('cli args parsing', () => {
         width: 888,
         height: 777,
       },
-      'chrome-arg': [],
-      chromeArg: [],
     });
   });