High-risk tools in Browserless MCP Server
9 of the 16 tools in Browserless 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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execute_browserqlExecuteExecute BrowserQL GraphQL queries
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execute_functionExecuteExecute custom JavaScript function in browser context
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initialize_browserlessExecuteInitialize connection to Browserless instance
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run_performance_auditExecuteRun Lighthouse performance audit
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download_filesExecuteHandle file downloads
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unblockExecuteBypass bot detection and anti-scraping measures
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create_websocket_connectionExecuteCreate WebSocket connection for Puppeteer/Playwright
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export_pageExecuteExport webpage with resources
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generate_pdfExecuteGenerate PDF from URL or HTML content
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.