chrome_click_element
Click on a DOM element using CSS selector
This record as markdown: /tools/2019-02-18-mcx/chrome-click-element.md
What chrome_click_element does on Chrome Feedback
AI agents invoke chrome_click_element to trigger actions in Chrome Feedback. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why chrome_click_element is rated High
Clicking DOM elements can trigger form submissions, navigation, purchases, deletions, or any other JavaScript-driven action. The effect is entirely determined by the target element, making this an Execute-category tool with high severity since an AI agent could misuse it to interact with sensitive UI controls (e.g., confirm dialogs, payment buttons, delete actions).
From the tool's definition 'Click on a DOM element using CSS selector' — triggers browser interaction that executes arbitrary UI actions depending on which element is targeted
Attacks that exploit this kind of access
The rule that runs chrome_click_element safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Chrome Feedback, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For chrome_click_element, this is the rule to start with:
chrome_click_element stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Chrome Feedback, apply this rule, and every chrome_click_element call is checked against it from then on.
Questions about chrome_click_element
Click on a DOM element using CSS selector. It is categorised as a Execute tool in the Chrome Feedback MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Chrome Feedback MCP server in PolicyLayer and add a rule for chrome_click_element: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Chrome Feedback. Nothing to install.
chrome_click_element is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the chrome_click_element rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for chrome_click_element. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
chrome_click_element is provided by the Chrome Feedback MCP server (2019-02-18/mcx). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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