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vault_delete

Delete a key and all its versions from the AgentLair Vault.

Part of the AgentLair server.

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

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Free to start. No card required.

AI agents may call vault_delete to permanently remove or destroy resources in AgentLair. 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 vault_delete in a loop, permanently destroying resources in AgentLair. 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": [
    "vault_delete"
  ]
}

See the full AgentLair policy for all 15 tools.

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

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View all 15 tools →

These attack patterns abuse exactly the kind of access vault_delete 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 vault_delete 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 vault_delete tool do? +

Delete a key and all its versions from the AgentLair Vault.. It is categorised as a Destructive tool in the AgentLair 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 vault_delete? +

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

What risk level is vault_delete? +

vault_delete 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 vault_delete? +

Yes. Add a rate_limit block to the vault_delete 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 vault_delete completely? +

Set action: deny in the PolicyLayer policy for vault_delete. 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 vault_delete? +

vault_delete is provided by the AgentLair MCP server (@agentlair/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every AgentLair tool call.

Deterministic rules across all 15 AgentLair tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

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

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