Remove a hook by id.
AI agents call remove_hook to permanently remove resources in JS Reverse MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing a hook deletes an active instrumentation/interception point by ID. This action cannot be undone without re-injecting the hook, making it a destructive operation. In the context of a reverse engineering and hook injection server, removing a hook mid-analysis could disrupt ongoing security analysis workflows irreversibly.
From the tool's definition 'Remove a hook by id' — removing a hook is an irreversible deletion of an injected instrumentation point in the browser debugging/hook injection context
Attacks that exploit this kind of access
Remove a hook by id. It is categorised as a Destructive tool in the JS Reverse MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the JS Reverse MCP server in PolicyLayer and add a rule for remove_hook: 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 JS Reverse MCP. Nothing to install.
remove_hook 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 remove_hook 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 remove_hook. 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.
remove_hook is provided by the JS Reverse MCP server (noone-hub/jsreverser-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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