validate_property
Validate a property value against its declared type constraints without saving
This record as markdown: /tools/nowaikit-servicenow-ai-toolkit/validate-property.md
What validate_property does on NowAIKit — ServiceNow AI Toolkit
AI agents call validate_property 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 validate_property is rated Low
This tool performs validation (a check operation) and explicitly does not persist any changes. It has no side effects beyond returning validation results, making it a read-only query operation with minimal risk.
From the tool's definition Tool description states 'Validate a property value against its declared type constraints without saving' — the explicit 'without saving' clause confirms no data modification occurs.
Attacks that exploit this kind of access
The rule that runs validate_property 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 validate_property, this is the rule to start with:
validate_property 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 validate_property call is checked against it from then on.
Questions about validate_property
Validate a property value against its declared type constraints without saving. 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 validate_property: 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.
validate_property 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 validate_property 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 validate_property. 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.
validate_property 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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