Stealth Browser MCP

Tools Stealth Browser MCP exposes (101)

Listed by the server itself during our scan of commit f14dce3.

• spawn_browser

  Spawn a new browser instance. Args: headless (bool): Run in headless mode. user_agent (Optional[str]): Custom user agent string. viewport_width (int): Viewport width in pixels. viewport_height (int): Viewport height in pixels. proxy (Optional[str]): Proxy server URL. browser

• list_instances

  List all active browser instances. Returns: List[Dict[str, Any]]: List of browser instances with their current state.

• close_instance

  Close a browser instance. Args: instance_id (str): Browser instance ID. Returns: bool: True if closed successfully.

• get_instance_state

  Get detailed state of a browser instance. Args: instance_id (str): Browser instance ID. Returns: Optional[Dict[str, Any]]: Complete state information.

• navigate

  Navigate to a URL. Args: instance_id (str): Browser instance ID. url (str): URL to navigate to. wait_until (str): Wait condition - 'load', 'domcontentloaded', or 'networkidle'. timeout (int): Navigation timeout in milliseconds. referrer (Optional[str]): Referrer URL. Returns:

• go_back

  Navigate back in history. Args: instance_id (str): Browser instance ID. Returns: bool: True if navigation was successful.

• go_forward

  Navigate forward in history. Args: instance_id (str): Browser instance ID. Returns: bool: True if navigation was successful.

• reload_page

  Reload the current page. Args: instance_id (str): Browser instance ID. ignore_cache (bool): Whether to ignore cache when reloading. Returns: bool: True if reload was successful.

• query_elements

  Query DOM elements. Args: instance_id (str): Browser instance ID. selector (str): CSS selector or XPath (starts with '//'). text_filter (Optional[str]): Filter by text content. visible_only (bool): Only return visible elements. limit (Optional[Any]): Maximum number of elements t

• click_element

  Click an element. Args: instance_id (str): Browser instance ID. selector (str): CSS selector or XPath. text_match (Optional[str]): Click element with matching text. timeout (int): Timeout in milliseconds. Returns: bool: True if clicked successfully.

• type_text

  Type text into an input field with trusted keyboard events. Every character produces keydown, keypress, input, and keyup events. Args: instance_id (str): Browser instance ID. selector (str): CSS selector. text (str): Text to type. clear_first (bool): Clear fiel

• paste_text

  Paste text instantly into an input field. Args: instance_id (str): Browser instance ID. selector (str): CSS selector or XPath. text (str): Text to paste. clear_first (bool): Clear field before pasting. Returns: bool: True if pasted successfully.

• press_key

  Press a real key using trusted CDP key events. Sends Input.dispatchKeyEvent keyDown/keyUp pairs, so the page sees trusted events. Use this for control keys such as Enter, Tab, Escape, and the arrow keys in React-select, typeahead, and combobox widgets. Args: instance_id (str): Browser instance

• file_upload

  Upload allowed local files to a <input type="file"> element via CDP DOM.setFileInputFiles. Resolves the actual file input even if the selector matches a wrapper element (Workday/Ashby/LinkedIn often hide the real input behind a styled button). Refuses multi-file upload when the input lacks the `mul

• select_option

  Select an option from a dropdown. Args: instance_id (str): Browser instance ID. selector (str): CSS selector for the select element. value (Optional[str]): Option value attribute. text (Optional[str]): Option text content. index (Optional[Any]): Option index (0-based). Can be st

• get_element_state

  Get complete state of an element. Args: instance_id (str): Browser instance ID. selector (str): CSS selector or XPath. Returns: Dict[str, Any]: Element state including attributes, style, position, etc.

• wait_for_element

  Wait for an element to appear. Args: instance_id (str): Browser instance ID. selector (str): CSS selector or XPath. timeout (int): Timeout in milliseconds. visible (bool): Wait for element to be visible. text_content (Optional[str]): Wait for specific text content. Returns:

• scroll_page

  Scroll the page. Args: instance_id (str): Browser instance ID. direction (str): 'down', 'up', 'left', 'right', 'top', or 'bottom'. amount (int): Pixels to scroll (ignored for 'top' and 'bottom'). smooth (bool): Use smooth scrolling. Returns: bool: True if scrolled successfully.

• execute_script

  Execute JavaScript in page context. Args: instance_id (str): Browser instance ID. script (str): JavaScript code to execute. args (Optional[List[Any]]): Arguments to pass to the script. Returns: Dict[str, Any]: Script execution result.

• get_page_content

  Get page HTML and text content. Args: instance_id (str): Browser instance ID. include_frames (bool): Include iframe information. Returns: Dict[str, Any]: Page content including HTML, text, and metadata.

• take_screenshot

  Take a screenshot of the page. The image is returned as MCP image content with metadata. It is scaled down, keeping its aspect ratio, when it is wider than max_width, longer than 8000 pixels on a side, or too large to send inline. The metadata reports the original size and the scale used. Args:

• list_network_requests

  List captured network requests. Args: instance_id (str): Browser instance ID. filter_type (Optional[str]): Filter by resource type (e.g., 'image', 'script', 'xhr'). Returns: Union[List[Dict[str, Any]], Dict[str, Any]]: List of network requests, or file metadata if response too large.

• get_request_details

  Get detailed information about a network request. Args: request_id (str): Network request ID. Returns: Optional[Dict[str, Any]]: Request details including headers, cookies, and body.

• get_response_details

  Get response details for a network request. Args: request_id (str): Network request ID. Returns: Optional[Dict[str, Any]]: Response details including status, headers, and metadata.

• get_response_content

  Get response body content. Args: instance_id (str): Browser instance ID. request_id (str): Network request ID. Returns: Optional[str]: Response body as text (base64 encoded for binary).

• search_network_requests

  Search network requests with advanced filters and pagination. Args: instance_id (str): Browser instance ID. url_pattern (Optional[str]): Filter by URL pattern (substring match). method (Optional[str]): Filter by HTTP method. status_code (Optional[int]): Filter by response status cod

• export_network_data

  Export network data to JSON file. Args: instance_id (str): Browser instance ID. filepath (str): Path to save JSON file. Returns: bool: True if successful.

• import_network_data

  Import network data from JSON file. Args: instance_id (str): Browser instance ID. filepath (str): Path to JSON file. Returns: bool: True if successful.

• set_network_capture_filters

  Set resource type filters for network capture to reduce memory usage. Args: instance_id (str): Browser instance ID. include_types (Optional[List[str]]): Only capture these types (e.g., ['XHR', 'Fetch', 'Document']). exclude_types (Optional[List[str]]): Exclude these types (e.g., ['Image

• get_network_capture_filters

  Get current network capture filters. Args: instance_id (str): Browser instance ID. Returns: Dict[str, List[str]]: Current filters with 'include' and 'exclude' lists.

• modify_headers

  Modify request headers for future requests. Args: instance_id (str): Browser instance ID. headers (Dict[str, str]): Headers to add/modify. Returns: bool: True if modified successfully.

• get_cookies

  Get cookies for current page or specific URLs. Args: instance_id (str): Browser instance ID. urls (Optional[List[str]]): Optional list of URLs to get cookies for. Returns: List[Dict[str, Any]]: List of cookies.

• set_cookie

  Set a cookie. Args: instance_id (str): Browser instance ID. name (str): Cookie name. value (str): Cookie value. url (Optional[str]): The request-URI to associate with the cookie. domain (Optional[str]): Cookie domain. path (str): Cookie path. secure (bool): Secure flag.

• clear_cookies

  Clear cookies. Args: instance_id (str): Browser instance ID. url (Optional[str]): Optional URL to clear cookies for (clears all if not specified). Returns: bool: True if cleared successfully.

• get_debug_view

  Get comprehensive debug view with all logged errors and statistics. Args: max_errors (int): Maximum number of errors to include (default: 50). max_warnings (int): Maximum number of warnings to include (default: 50). max_info (int): Maximum number of info logs to include (default: 50).

• clear_debug_view

  Clear all debug logs and statistics with timeout protection. Returns: bool: True if cleared successfully.

• export_debug_logs

  Export debug logs to a file using the fastest available method with timeout protection. Args: filename (str): Name of the file to export to. max_errors (int): Maximum number of errors to export (default: 100). max_warnings (int): Maximum number of warnings to export (default: 100).

• get_debug_lock_status

  Get current debug logger lock status for debugging hanging exports. Returns: Dict[str, Any]: Lock status information.

• list_tabs

  List all tabs for a browser instance. Args: instance_id (str): Browser instance ID. Returns: List[Dict[str, str]]: List of tabs with their details.

• switch_tab

  Switch to a specific tab by bringing it to front. Args: instance_id (str): Browser instance ID. tab_id (str): Target tab ID to switch to. Returns: bool: True if switched successfully.

At a glance

Stars

3.3k

Forks

409

Language

Python

License

MIT

Created

Aug 2025

Last update

Oct 26, 2026

Type

MCP Server

Price

Free

Topics

Questions about Stealth Browser MCP

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