High-risk tools in Nexus Core
4 of the 134 tools in Nexus Core 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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create_cron_jobExecuteRegister a recurring action. schedule_expression is a standard 5-field cron string
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fill_web_formExecuteAPPROVAL-GATED: navigate to URL, fill named fields with human-like typing.
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resume_cron_jobExecuteReactivate a paused cron job. Scoped to the calling user.
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screenshotExecuteNavigate to URL and write a PNG screenshot to output_path (must be inside ALLOWED_ROOTS).
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.