High-risk tools in Fourth Playwright MCP Server
7 of the 24 tools in Fourth Playwright MCP Server are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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browser_wait_forExecutebrowser_wait_for
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playwright_navigateExecuteNavigate to a URL. Direct wrapper with proper URL parameter mapping.
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web_execute_jsExecuteweb_execute_js
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web_loginExecuteweb_login
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web_navigate_and_waitExecuteNavigate to a URL and wait for the page to be ready.
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web_performanceExecuteweb_performance
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web_wait_for_readyExecuteWait for the current page to finish loading.
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.