get_discovery_errors
AI agents call get_discovery_errors 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.
This tool appears to retrieve discovery-related error data from the ServiceNow CMDB for inspection and troubleshooting. No side effects are indicated by the name. While the description is empty (reducing confidence slightly), the naming convention and sibling tools (which include read operations like 'cmdb_health_summary', 'check_connection', and 'count_cis') suggest this follows a read-only pattern.
From the tool's definition Tool name 'get_discovery_errors' suggests retrieval of error logs or status information from ServiceNow's discovery process. The name structure ('get_*') and the CMDB context indicate data querying with no modification.
Attacks that exploit this kind of access
get_discovery_errors. 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 get_discovery_errors: 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.
get_discovery_errors 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_discovery_errors 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_discovery_errors. 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_discovery_errors 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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