Revoke a webhook endpoint — soft-delete that marks it inactive (destructive write — admin role). Future deliveries return 403; the record remains for audit.
AI agents call scf_delete_webhook to permanently remove resources in Scf — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Although described as a 'soft-delete' that preserves the audit record, this tool irreversibly disables a webhook endpoint and cannot be undone by ordinary means—the webhook becomes non-functional with 403 responses. This is an irreversible change to system state (webhook activation status), meeting the definition of Destructive.
From the tool's definition Tool description explicitly states 'soft-delete that marks it inactive (destructive write — admin role)'. The verb 'delete' in the tool name and phrase 'soft-delete' and 'revoke' in description confirm irreversible disabling of a webhook endpoint.
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
Revoke a webhook endpoint — soft-delete that marks it inactive (destructive write — admin role). Future deliveries return 403; the record remains for audit. It is categorised as a Destructive tool in the Scf MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Scf MCP server in PolicyLayer and add a rule for scf_delete_webhook: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Scf. Nothing to install.
scf_delete_webhook is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the scf_delete_webhook rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for scf_delete_webhook. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
scf_delete_webhook is provided by the Scf MCP server (mcp-server-scf). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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