close_hr_case
Close an HR case with resolution notes (requires WRITE_ENABLED=true)
This record as markdown: /tools/nowaikit-servicenow-ai-toolkit/close-hr-case.md
What close_hr_case does on NowAIKit — ServiceNow AI Toolkit
AI agents use close_hr_case to create or update resources in NowAIKit — ServiceNow AI Toolkit, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your NowAIKit — ServiceNow AI Toolkit environment.
Why close_hr_case is rated Medium
This tool modifies HR case data irreversibly in practical terms (closing a case is a significant state change), but the operation is technically reversible (HR cases can be reopened if needed). The requirement flag 'WRITE_ENABLED=true' indicates explicit write authorization is needed.
From the tool's definition 'Close an HR case with resolution notes (requires WRITE_ENABLED=true)' — the verb 'close' modifies the state of an HR case by appending resolution notes, a reversible action (cases can be reopened).
Attacks that exploit this kind of access
The rule that runs close_hr_case safely
PolicyLayer is an MCP gateway: it sits between your AI agents and NowAIKit — ServiceNow AI Toolkit, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For close_hr_case, this is the rule to start with:
close_hr_case stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect NowAIKit — ServiceNow AI Toolkit, apply this rule, and every close_hr_case call is checked against it from then on.
Questions about close_hr_case
Close an HR case with resolution notes (requires WRITE_ENABLED=true). It is categorised as a Write tool in the NowAIKit — ServiceNow AI Toolkit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the NowAIKit — ServiceNow AI Toolkit MCP server in PolicyLayer and add a rule for close_hr_case: 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 NowAIKit — ServiceNow AI Toolkit. Nothing to install.
close_hr_case is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the close_hr_case 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 close_hr_case. 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.
close_hr_case is provided by the NowAIKit — ServiceNow AI Toolkit MCP server (nowaikit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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