// MCP TOOL REFERENCE

CHROME DEVTOOLS TOOLS

29 tools from the Chrome Devtools MCP Server, categorised by risk level.

// ALL 29 CHROME DEVTOOLS TOOLS

READ 8 tools

Read get_console_message Gets a console message by its ID. You can get all messages by calling list_console_messages. Read get_network_request Gets a network request by an optional reqid, if omitted returns the currently selected request in the DevTo... Read list_console_messages List all console messages for the currently selected page since the last navigation. Read list_network_requests List all requests for the currently selected page since the last navigation. Read list_pages Get a list of pages open in the browser. Read take_memory_snapshot Capture a heap snapshot of the currently selected page. Use to analyze the memory distribution of JavaScrip... Read take_screenshot Take a screenshot of the page or element. Read take_snapshot Take a text snapshot of the currently selected page based on the a11y tree. The snapshot lists page element...

WRITE 13 tools

Write click Clicks on the provided element Write close_page Closes the page by its index. The last open page cannot be closed. Write drag Drag an element onto another element Write evaluate_script Evaluate a JavaScript function inside the currently selected page. Returns the response as JSON, so returne... Write fill Type text into an input, text area or select an option from a <select> element. Write fill_form Fill out multiple form elements at once Write handle_dialog If a browser dialog was opened, use this command to handle it Write hover Hover over the provided element Write press_key Press a key or key combination. Use this when other input methods like fill() cannot be used (e.g., keyboar... Write resize_page Resizes the selected page's window so that the page has specified dimension Write select_page Select a page as a context for future tool calls. Write type_text Type text using keyboard into a previously focused input Write upload_file Upload a file through a provided element.

EXECUTE 8 tools

Execute emulate Emulates various features on the selected page. Execute lighthouse_audit Get Lighthouse score and reports for accessibility, SEO, best practices, and agentic browsing. This exclude... Execute navigate_page Go to a URL, or back, forward, or reload. Use project URL if not specified otherwise. Execute new_page Open a new tab and load a URL. Use project URL if not specified otherwise. Execute performance_analyze_insight Provides more detailed information on a specific Performance Insight of an insight set that was highlighted... Execute performance_start_trace Start a performance trace on the selected webpage. Use to find frontend performance issues, Core Web Vitals... Execute performance_stop_trace Stop the active performance trace recording on the selected webpage. Execute wait_for Wait for the specified text to appear on the selected page.

// RUNNING THIS SERVER

The managed route: connect Chrome Devtools through the PolicyLayer gateway — every tool call above is checked against your policy before it runs, with a full audit log.

DIRECT INSTALL (UNMANAGED) npx -y chrome-devtools-mcp

// FAQ

How many tools does the Chrome Devtools MCP server have? +

The Chrome Devtools MCP server exposes 29 tools across 3 categories: Read, Write, Execute.

How do I enforce policies on Chrome Devtools tools? +

Route the Chrome Devtools server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard — they are enforced on every call before it reaches the server.

What risk categories do Chrome Devtools tools fall into? +

Chrome Devtools tools are categorised as Read (8), Write (13), Execute (8). Each category has a recommended default policy.

Let agents act without letting them run wild.

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