list_discovery_schedules
AI agents call list_discovery_schedules to retrieve information from ServiceNow CMDB MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to retrieve or query schedule information without modifying data. However, confidence is reduced due to the empty description, and severity is elevated to medium because discovery schedules in CMDB systems can reveal infrastructure topology and timing patterns that could be exploited for reconnaissance or attacks if exposed to untrusted agents.
From the tool's definition Tool name 'list_discovery_schedules' indicates retrieval of schedule data. The empty description limits certainty, but the 'list' verb and context within a CMDB query tool suggest read-only enumeration of discovery schedules stored in ServiceNow.
Attacks that exploit this kind of access
list_discovery_schedules. It is categorised as a Read tool in the ServiceNow CMDB MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ServiceNow CMDB MCP Server MCP server in PolicyLayer and add a rule for list_discovery_schedules: 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 CMDB MCP Server. Nothing to install.
list_discovery_schedules 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_discovery_schedules 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_discovery_schedules. 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_discovery_schedules is provided by the ServiceNow CMDB MCP Server MCP server (ketiil/mcp-cmdb). 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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