chrome-devtools-mcp
io.github.ChromeDevTools/chrome-devtools-mcp · version 1.12.0 · 2,076,841 weekly npm downloads · audited 2026-11-03
Notes
Findings
No hidden-instruction or invisible-character findings in any tool, prompt, or resource description.
Claude Connectors Directory readiness
- ❌ Every tool has a title Missing on 32 of 32: click, close_page, drag, emulate and 28 more
- ✅ Every tool declares readOnlyHint or destructiveHint 32 of 32 tools
- ✅ Tool names are 64 characters or fewer All within limit
- ❌ Descriptions avoid instructions about model behavior or other tools 6 of 32 descriptions reference other tools or tell the model what it must do: fill_form, get_console_message, get_css_styles, lighthouse_audit and 2 more
- ✅ No hidden instructions or invisible characters in tool metadata None found
Checks the directory's published tool requirements that are visible from tools/list. Passing them does not guarantee acceptance.
What this server's tools can do
- Makes outbound web requests:
get_network_request,navigate_page
Not a vulnerability by itself. It tells you what an injected prompt could ask this server to do, so you can decide which tools need approval.
Supply chain
- Install scripts: none
- npm provenance: yes
- Source repository linked: yes
- License: Apache-2.0
- Direct dependencies: 0
Tools (32)
| Name | Title | Hint | Description |
|---|---|---|---|
click | writes | Clicks on the provided element | |
close_page | writes | Closes the page by its index. The last open page cannot be closed. | |
drag | writes | Drag an element onto another element | |
emulate | writes | Emulates various features on the target page. Each call replaces all emulation settings (except extraHttpHeaders), so pass all desired settings in a single call. | |
evaluate_script | writes | Evaluate JavaScript inside the target page. The source can be provided inline or loaded from a local file. Returns the response as JSON, so returned values have to be JSON-serializable. | |
fill | writes | Type text into an input, text area or select an option from a <select> element. | |
fill_form | writes | Fill out multiple form elements (inputs, selects, checkboxes, radios) at once. ALWAYS prefer this tool over multiple individual 'fill' or 'click' calls when interacting with forms. It is significantly faster, more reliab… | |
get_console_message | read-only | Gets a console message by its ID. You can get all messages by calling list_console_messages. | |
get_css_styles | read-only | Retrieve matched CSS rules, inline styles (element.style), inherited styles, custom properties, and cascade wrappers (@layer, @media, @container, @scope) for an element identified by its UID. Rules are ordered from highe… | |
get_network_request | writes | Gets a network request by an optional reqid, if omitted returns the currently selected request in the DevTools Network panel. Useful for inspecting request headers (including 'Cookie') and response headers (including 'Se… | |
handle_dialog | writes | If a browser dialog was opened, use this command to handle it | |
hover | writes | Hover over the provided element | |
lighthouse_audit | writes | Get Lighthouse scores, failing audits, and the DOM nodes they flag for accessibility, SEO, best practices, and agentic browsing. Full reports are saved to disk. This excludes performance. For performance audits, run perf… | |
list_console_messages | read-only | List all console messages for the target page since the last navigation. | |
list_network_requests | read-only | Lists the most recent requests for the target page since the last navigation. | |
list_pages | read-only | Get a list of pages open in the browser. | |
navigate_page | writes | Go to a URL, or back, forward, or reload. Use project URL if not specified otherwise. | |
new_page | writes | Open a new tab and load a URL. Use project URL if not specified otherwise. | |
performance_analyze_insight | read-only | Provides more detailed information on a specific Performance Insight of an insight set that was highlighted in the results of a trace recording. | |
performance_start_trace | writes | Start a performance trace on the target webpage. Use to find frontend performance issues, Core Web Vitals (LCP, INP, CLS), and improve page load speed. | |
performance_stop_trace | writes | Stop the active performance trace recording on the target webpage. | |
press_key | writes | Press a key or key combination. Use this when other input methods like fill() cannot be used (e.g., keyboard shortcuts, navigation keys, or special key combinations). | |
resize_page | writes | Resizes the page's window so that the page has specified dimension | |
screencast_start | writes | Starts recording a screencast (video) of the target page. | |
screencast_stop | writes | Stops the active screencast recording on the target page. | |
select_page | read-only | Select a page as a context for future tool calls. | |
take_heapsnapshot | writes | Capture a heap snapshot of the target page. Use to analyze the memory distribution of JavaScript objects and debug memory leaks. | |
take_screenshot | writes | Take a screenshot of the page or element. | |
take_snapshot | writes | Take a text snapshot of the target page based on the a11y tree. The snapshot lists page elements along with a unique identifier (uid). Always use the latest snapshot. Prefer taking a snapshot over taking a screenshot. Th… | |
type_text | writes | Type text using keyboard into a previously focused input | |
upload_file | writes | Upload a file through a provided element. | |
wait_for | read-only | Wait for the specified text to appear on the selected page. By default, hidden text is also matched. Set visible to true to wait until the matched text is visible. |
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