Get full configuration of an outbound REST Message including its endpoints
AI agents call get_rest_message 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 configuration data about REST message endpoints without modifying, executing, or deleting anything. It is a straightforward read operation with minimal risk—knowing REST message configuration could inform reconnaissance but poses no direct harm via this tool alone. Severity is low due to limited blast radius.
From the tool's definition Tool name 'get_rest_message' and description 'Get full configuration of an outbound REST Message including its endpoints' indicate a retrieval operation. The verb 'Get' and absence of modification language confirm read-only behavior.
Attacks that exploit this kind of access
Get full configuration of an outbound REST Message including its endpoints. 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 get_rest_message: 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.
get_rest_message 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_rest_message 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_rest_message. 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_rest_message 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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