revoke_role

Revoke a directly-granted role from a user. Requires WRITE_ENABLED=true

SERVERServiceNow MCP Server SOURCE@aartiq/servicenow-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/servicenow-mcp-server/revoke-role.md

WHAT IT DOES

What revoke_role does on ServiceNow MCP Server

AI agents call revoke_role to permanently remove resources in ServiceNow MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why revoke_role is rated Critical

Revoking a role removes access permissions irreversibly unless manually re-granted.

From the tool's definition Revoke a directly-granted role from a user

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs revoke_role safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceNow MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For revoke_role, this is the rule to start with:

revoke_role Hidden

revoke_role is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "revoke_role"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow MCP Server, apply this rule, and every revoke_role call is checked against it from then on.

FAQ

Questions about revoke_role

What does the revoke_role tool do? +

Revoke a directly-granted role from a user. Requires WRITE_ENABLED=true. It is categorised as a Destructive tool in the ServiceNow MCP Server 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 revoke_role? +

Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for revoke_role: 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 ServiceNow MCP Server. Nothing to install.

What risk level is revoke_role? +

revoke_role 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 revoke_role? +

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

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

revoke_role is provided by the ServiceNow MCP Server MCP server (@aartiq/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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