list_uib_data_brokers
List UI Builder data brokers (data sources for pages)
This record as markdown: /tools/tedorigawa001-servicenow-mcp/list-uib-data-brokers.md
What list_uib_data_brokers does on ServiceNow-MCP
AI agents call list_uib_data_brokers 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 list_uib_data_brokers is rated Low
This tool queries and retrieves information about UI Builder data brokers—a read-only operation that returns configuration or metadata about available data sources. No data is modified, deleted, or executed. The blast radius of misuse is minimal; an attacker could learn about available data sources but cannot access actual data, modify configurations, or trigger actions through this tool alone.
From the tool's definition Tool name 'list_uib_data_brokers' and description 'List UI Builder data brokers (data sources for pages)' indicate a listing/query operation that retrieves metadata about data sources without modifying or executing operations.
Attacks that exploit this kind of access
The rule that runs list_uib_data_brokers 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 list_uib_data_brokers, this is the rule to start with:
list_uib_data_brokers 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 list_uib_data_brokers call is checked against it from then on.
Questions about list_uib_data_brokers
List UI Builder data brokers (data sources for pages). 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_uib_data_brokers: 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_uib_data_brokers 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_uib_data_brokers 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_uib_data_brokers. 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_uib_data_brokers 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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