stop_css_coverage_tracking
Stop tracking CSS rule usage and get coverage results. Returns: CSS usage analysis with covered and uncovered rules
This record as markdown: /tools/benjaminr-chrome-devtools-mcp/stop-css-coverage-tracking.md
What stop_css_coverage_tracking does on Chrome Devtools
AI agents call stop_css_coverage_tracking to retrieve information from Chrome Devtools without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why stop_css_coverage_tracking is rated Low
This tool stops a CSS coverage tracking session and returns analysis results. While it does stop an ongoing process, its primary effect is to retrieve/return data (coverage analysis). It does not modify, delete, or execute anything harmful. The 'stop' action terminates a monitoring session and retrieves results, similar to a read/query operation.
From the tool's definition Stop tracking CSS rule usage and get coverage results. Returns: CSS usage analysis with covered and uncovered rules
Attacks that exploit this kind of access
The rule that runs stop_css_coverage_tracking safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Chrome Devtools, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For stop_css_coverage_tracking, this is the rule to start with:
stop_css_coverage_tracking is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Chrome Devtools, apply this rule, and every stop_css_coverage_tracking call is checked against it from then on.
Questions about stop_css_coverage_tracking
Stop tracking CSS rule usage and get coverage results. Returns: CSS usage analysis with covered and uncovered rules. It is categorised as a Read tool in the Chrome Devtools MCP Server, which means it retrieves data without modifying state.
Register the Chrome Devtools MCP server in PolicyLayer and add a rule for stop_css_coverage_tracking: 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 Devtools. Nothing to install.
stop_css_coverage_tracking is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the stop_css_coverage_tracking 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 stop_css_coverage_tracking. 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.
stop_css_coverage_tracking is provided by the Chrome Devtools MCP server (benjaminr/chrome-devtools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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