Delete a vault by ID. Requires a reason and destructive-action acknowledgement.
AI agents call vault_delete to permanently remove resources in Mcp 1password — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes a vault and all its contents from 1Password. Vaults typically contain sensitive credentials, encryption keys, and other secrets. Deletion is irreversible and could result in loss of access to critical authentication materials. The requirement for a 'destructive-action acknowledgement' further confirms the high-impact nature.
From the tool's definition Tool name is 'vault_delete' and description states 'Delete a vault by ID.' The verb 'delete' combined with the irreversible nature of deleting an entire vault—a container for secrets and sensitive data—clearly indicates a destructive action that cannot be…
Attacks that exploit this kind of access
Delete a vault by ID. Requires a reason and destructive-action acknowledgement. It is categorised as a Destructive tool in the Mcp 1password MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mcp 1password 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 Mcp 1password. Nothing to install.
vault_delete 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 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.
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.
vault_delete is provided by the Mcp 1password MCP server (kefapps/onepassword-mcp-codex). 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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