[Feature]: added flag for advanced stealth (#70)

* added advanced stealth flag + upgrade to latest version of sdk

* change to undef

Author: Kylejeong2

browserbase/README.md

@@ -103,6 +103,7 @@ The Browserbase MCP server accepts the following command-line flags:
 | `--browserbaseApiKey <key>` | Your Browserbase API key for authentication |
 | `--browserbaseProjectId <id>` | Your Browserbase project ID |
 | `--proxies` | Enable Browserbase proxies for the session |
+| `--advancedStealth` | Enable Browserbase Advanced Stealth (Only for Scale Plan Users) | 
 | `--contextId <contextId>` | Specify a Browserbase Context ID to use |
 | `--persist [boolean]` | Whether to persist the Browserbase context (default: true) |
 | `--port <port>` | Port to listen on for HTTP/SSE transport |
@@ -141,6 +142,26 @@ To use proxies in STDIO, set the --proxies flag in your MCP Config:
    }
 }
 ```
+### Advanced Stealth 
+
+Here are our docs on [Advanced Stealth](https://docs.browserbase.com/features/stealth-mode#advanced-stealth-mode).
+
+To use proxies in STDIO, set the --advancedStealth flag in your MCP Config:
+
+```json
+{
+   "mcpServers": {
+      "browserbase": {
+         "command" : "npx",
+         "args" : ["@browserbasehq/mcp", "--advancedStealth"],
+         "env": {
+            "BROWSERBASE_API_KEY": "",
+            "BROWSERBASE_PROJECT_ID": ""
+         }
+      }
+   }
+}
+```
 
 ### Contexts
 

browserbase/config.d.ts

@@ -16,6 +16,12 @@ export type Config = {
      * @default false
      */
     proxies?: boolean;
+    /**
+     * Use advanced stealth mode. Only available to Browserbase Scale Plan users.
+     * 
+     * @default false
+     */
+    advancedStealth?: boolean;
     /**
      * Potential Browserbase Context to use 
      * Would be a context ID 

browserbase/package-lock.json

@@ -33,7 +33,7 @@
     }
   },
   "dependencies": {
-    "@browserbasehq/sdk": "^2.0.0",
+    "@browserbasehq/sdk": "^2.5.0",
     "@modelcontextprotocol/sdk": "^1.10.2",
     "@types/yaml": "^1.9.6",
     "commander": "^13.1.0",

browserbase/package.json

@@ -14,6 +14,7 @@ export interface Config {
     host?: string;
   };
   proxies?: boolean;
+  advancedStealth?: boolean;
   context?: {
     contextId?: string;
     persist?: boolean;
@@ -30,6 +31,7 @@ export type CLIOptions = {
   browserbaseApiKey?: string;
   browserbaseProjectId?: string;
   proxies?: boolean;
+  advancedStealth?: boolean;
   contextId?: string;
   persist?: boolean;
   port?: number;
@@ -100,6 +102,7 @@ export async function configFromCLIOptions(cliOptions: CLIOptions): Promise<Conf
       browserWidth: cliOptions.browserWidth,
       browserHeight: cliOptions.browserHeight,
     },
+    advancedStealth: cliOptions.advancedStealth,
     cookies: cliOptions.cookies,
   };
 }

browserbase/src/config.ts

@@ -15,6 +15,7 @@ program
     .option('--browserbaseApiKey <key>', 'The Browserbase API Key to use')
     .option('--browserbaseProjectId <id>', 'The Browserbase Project ID to use')
     .option('--proxies', 'Use Browserbase proxies.')
+    .option('--advancedStealth', 'Use advanced stealth mode. Only available to Browserbase Scale Plan users.')
     .option('--contextId <contextId>', 'Browserbase Context ID to use.')
     .option('--persist [boolean]', 'Whether to persist the Browserbase context', true)
     .option('--port <port>', 'Port to listen on for SSE transport.')

browserbase/src/program.ts

@@ -102,6 +102,7 @@ export async function createNewBrowserSession(
         id: config.context?.contextId,
         persist: config.context?.persist ?? true,
       } : undefined,
+      advancedStealth: config.advancedStealth ?? undefined,
     }
   };