High-risk tools in n8n MCP Server
5 of the 39 tools in n8n 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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n8n_activate_workflowExecuteActivate (publish) a workflow so it runs automatically on triggers/schedules. Args: - id (string): Workflow ID to activate
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n8n_install_community_packageExecuteInstall a community node package from npm. Args: - packageName (string): npm package name (e.g.,
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n8n_retry_executionExecuteRetry a failed execution. Creates a new execution from the point of failure. Args: - id (string): Failed execution ID to retry - loadWorkflowData (boolean): Reload workflow...
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n8n_stop_executionExecuteStop a currently running execution. Args: - id (string): Running execution ID to stop
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n8n_test_credentialExecuteTest whether a credential is valid by making a test request to the service. Args: - id (string): Credential ID to test
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.