Delete a machine identity's project membership.
AI agents call delete_project_identity_membership to permanently remove resources in Infisical MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool permanently removes a project membership association, which cannot be undone without re-creating it. This is an irreversible modification of access control state. Although not as critical as deleting secrets or projects themselves, it is destructive in nature (removal vs. modification) and could impact system administration and security.
From the tool's definition Tool name includes 'delete' and description states 'Delete a machine identity's project membership' — this irreversibly removes access control configuration.
Attacks that exploit this kind of access
Delete a machine identity's project membership. It is categorised as a Destructive tool in the Infisical MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Infisical MCP server in PolicyLayer and add a rule for delete_project_identity_membership: 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 Infisical MCP. Nothing to install.
delete_project_identity_membership 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 delete_project_identity_membership 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 delete_project_identity_membership. 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.
delete_project_identity_membership is provided by the Infisical MCP server (plgonzalezrx8/infisicalmcp). 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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