get_property_history
Get audit history of changes to a system property
This record as markdown: /tools/nowaikit-servicenow-ai-toolkit/get-property-history.md
What get_property_history does on NowAIKit — ServiceNow AI Toolkit
AI agents call get_property_history to retrieve information from NowAIKit — ServiceNow AI Toolkit without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_property_history is rated Low
This tool retrieves and queries audit/change history data from ServiceNow without creating, modifying, deleting, or executing actions. It is a read-only operation that returns historical information about property changes. No side effects or irreversible actions are possible.
From the tool's definition Tool name 'get_property_history' and description 'Get audit history of changes to a system property' indicate retrieval of historical audit data with no modification or deletion capability.
Attacks that exploit this kind of access
The rule that runs get_property_history 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 get_property_history, this is the rule to start with:
get_property_history is read-only, so it stays allowed. 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 get_property_history call is checked against it from then on.
Questions about get_property_history
Get audit history of changes to a system property. It is categorised as a Read tool in the NowAIKit — ServiceNow AI Toolkit MCP Server, which means it retrieves data without modifying state.
Register the NowAIKit — ServiceNow AI Toolkit MCP server in PolicyLayer and add a rule for get_property_history: 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.
get_property_history is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_property_history 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 get_property_history. 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.
get_property_history 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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