Revoke privileges from a role or user
AI agents call revoke_privileges to permanently remove resources in Snowflake Developer MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Revoking privileges removes access permissions from roles or users. While not deleting data, it irreversibly alters the security posture and access control state. Misuse could lock out users or roles from critical resources, causing significant operational disruption. It fits Destructive due to its irreversible nature and high blast radius if misapplied.
From the tool's definition 'Revoke privileges from a role or user' — removing access rights is an irreversible security-relevant action that cannot be undone without explicit re-granting
Attacks that exploit this kind of access
Revoke privileges from a role or user. It is categorised as a Destructive tool in the Snowflake Developer MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Snowflake Developer MCP Server MCP server in PolicyLayer and add a rule for revoke_privileges: 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 Snowflake Developer MCP Server. Nothing to install.
revoke_privileges 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 revoke_privileges 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 revoke_privileges. 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.
revoke_privileges is provided by the Snowflake Developer MCP Server MCP server (mcp-tg/snowflake-developer-kit). 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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