List Update Sets by state (in progress, complete, ignore)
AI agents call list_update_sets to retrieve information from ServiceNow-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries data (Update Sets and their states) with no side effects. It does not create, modify, delete, or execute operations—it only reads and filters existing records. The low severity reflects minimal blast radius: misuse would at most retrieve unwanted visibility into update sets, not cause data loss or operational harm.
From the tool's definition Tool name 'list_update_sets' and description 'List Update Sets by state' indicate a query/retrieval operation with no modification capability. The verb 'list' is characteristic of read-only operations that enumerate records filtered by state.
Attacks that exploit this kind of access
List Update Sets by state (in progress, complete, ignore). It is categorised as a Read tool in the ServiceNow-MCP MCP Server, which means it retrieves data without modifying state.
Register the ServiceNow- MCP server in PolicyLayer and add a rule for list_update_sets: 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. Nothing to install.
list_update_sets 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 list_update_sets 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 list_update_sets. 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.
list_update_sets is provided by the ServiceNow- MCP server (tedorigawa001/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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