Delete a user permanently
AI agents call supabase_delete_user to permanently remove resources in Supabase MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently deletes a user account, which is an irreversible operation that cannot be undone. It destroys user data and access credentials. The 'permanently' qualifier and the destructive nature of user deletion—affecting authentication, identity, and associated data—makes this critical severity.
From the tool's definition Tool name 'supabase_delete_user' combined with description 'Delete a user permanently' indicates irreversible deletion of user account data.
Attacks that exploit this kind of access
Delete a user permanently. It is categorised as a Destructive tool in the Supabase MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Supabase MCP Server MCP server in PolicyLayer and add a rule for supabase_delete_user: 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 Supabase MCP Server. Nothing to install.
supabase_delete_user 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 supabase_delete_user 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 supabase_delete_user. 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.
supabase_delete_user is provided by the Supabase MCP Server MCP server (sweir1/supabase-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
supabase_delete_user is one line of Supabase MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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