search_cmdb_ci
Search for configuration items (CIs) in the CMDB
This record as markdown: /tools/tedorigawa001-servicenow-mcp/search-cmdb-ci.md
What search_cmdb_ci does on ServiceNow-MCP
AI agents call search_cmdb_ci to retrieve information from ServiceNow-MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why search_cmdb_ci is rated Low
This tool retrieves configuration item data from the Configuration Management Database without creating, modifying, deleting, or executing any operations. It is a read-only query function with minimal risk of misuse by an AI agent. The blast radius is limited to potential information disclosure of CMDB contents, which is typically low-sensitivity metadata.
From the tool's definition Tool name contains 'search' and description states 'Search for configuration items (CIs) in the CMDB' — a pure query/retrieval operation with no modification or execution capabilities.
Attacks that exploit this kind of access
The rule that runs search_cmdb_ci safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceNow-MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For search_cmdb_ci, this is the rule to start with:
search_cmdb_ci 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 ServiceNow-MCP, apply this rule, and every search_cmdb_ci call is checked against it from then on.
Questions about search_cmdb_ci
Search for configuration items (CIs) in the CMDB. 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 search_cmdb_ci: 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.
search_cmdb_ci 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 search_cmdb_ci 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 search_cmdb_ci. 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.
search_cmdb_ci 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.
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