deactivate_user
Deactivate (offboard) a user by setting active=false. Requires WRITE_ENABLED=true
This record as markdown: /tools/servicenow-mcp-server/deactivate-user.md
What deactivate_user does on ServiceNow MCP Server
AI agents call deactivate_user 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.
Why deactivate_user is rated Critical
Deactivating a user account is a significant irreversible-in-effect action removing system access.
From the tool's definition Deactivate (offboard) a user by setting active=false
Attacks that exploit this kind of access
The rule that runs deactivate_user 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 deactivate_user, this is the rule to start with:
deactivate_user is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow MCP Server, apply this rule, and every deactivate_user call is checked against it from then on.
Questions about deactivate_user
Deactivate (offboard) a user by setting active=false. 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.
Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for deactivate_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 ServiceNow MCP Server. Nothing to install.
deactivate_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 deactivate_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 deactivate_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.
deactivate_user 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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