AI agents use servicenow_table_api to create or update resources in Servicenow Api — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Servicenow Api environment.
The ServiceNow Table API is a well-known REST API that supports full CRUD operations (GET, POST, PUT, PATCH, DELETE) on any ServiceNow table. Given the server context (managing incidents, CMDB, change management), this tool likely exposes read, write, and potentially destructive operations.
From the tool's definition Tool name: servicenow_table_api — description is empty or uninformative.
Documented attack patterns abuse exactly the kind of access servicenow_table_api gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Servicenow Api, and nothing reaches the server without passing your rules. This is the rule we recommend for servicenow_table_api:
{
"version": "1",
"default": "deny",
"tools": {
"servicenow_table_api": {
"limits": [
{
"counter": "servicenow_table_api_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}servicenow_table_api stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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servicenow_table_api. It is categorised as a Write tool in the Servicenow Api MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Servicenow Api MCP server in PolicyLayer and add a rule for servicenow_table_api: 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 Api. Nothing to install.
servicenow_table_api is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the servicenow_table_api 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 servicenow_table_api. 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.
servicenow_table_api is provided by the Servicenow Api MCP server (knuckles-team/servicenow-api). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Servicenow Api, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
30 Servicenow Api tools catalogued and risk-classified — across an index of 43,000+ MCP servers.