Delete the active webhook subscription for this account.
AI agents call delete_webhook to permanently remove resources in Hevy — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes a webhook subscription, which cannot be easily undone and represents loss of a configured integration point. While not as severe as deleting user data, webhook subscriptions are integral account configurations. The destructive nature (irreversible deletion) places this above Write category.
From the tool's definition Tool name is 'delete_webhook' and description states 'Delete the active webhook subscription for this account.' The verb 'delete' combined with 'subscription' indicates irreversible removal of a configuration.
Attacks that exploit this kind of access
Delete the active webhook subscription for this account. It is categorised as a Destructive tool in the Hevy MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Hevy MCP server in PolicyLayer and add a rule for 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 Hevy. Nothing to install.
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 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 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.
delete_webhook is provided by the Hevy MCP server (srdjancodes/hevy-mcp). 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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