Critical-risk tools in MCP Shell Server
2 of the 14 tools in MCP Shell Server are classified as critical 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 critical risk
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delete_execution_outputsDestructiveDelete one or more output files by their output_ids. Requires explicit confirmation flag to prevent accidental deletion. Useful for cleanup after processing results.
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perform_auto_cleanupDestructivePerform automatic cleanup of old output files based on age and retention policies. Supports dry-run mode for safety. Automatically preserves recent files while cleaning up old o...
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.