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mund_remove_rule

Remove a custom detection rule by ID. Note: Built-in rules cannot be removed, only disabled. Args: - id (string): ID of the rule to remove Returns: Confirmation of rule removal

Part of the Mund server.

mund_remove_rule can permanently delete data in Mund, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents may call mund_remove_rule to permanently remove or destroy resources in Mund. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call mund_remove_rule in a loop, permanently destroying resources in Mund. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "mund_remove_rule"
  ]
}

See the full Mund policy for all 23 tools.

Get this rule live on your own Mund server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access mund_remove_rule gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so mund_remove_rule only ever does what you allow.

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Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the mund_remove_rule tool do? +

Remove a custom detection rule by ID. Note: Built-in rules cannot be removed, only disabled. Args: - id (string): ID of the rule to remove Returns: Confirmation of rule removal. It is categorised as a Destructive tool in the Mund MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on mund_remove_rule? +

Register the Mund MCP server in PolicyLayer and add a rule for mund_remove_rule: 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 Mund. Nothing to install.

What risk level is mund_remove_rule? +

mund_remove_rule is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit mund_remove_rule? +

Yes. Add a rate_limit block to the mund_remove_rule 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.

How do I block mund_remove_rule completely? +

Set action: deny in the PolicyLayer policy for mund_remove_rule. 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.

What MCP server provides mund_remove_rule? +

mund_remove_rule is provided by the Mund MCP server (@weave_protocol/mund). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mund tool call.

Deterministic rules across all 23 Mund tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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