AI agents call find_task to retrieve information from Now Sdk Ext without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves task data by identifier without creating, modifying, deleting, or executing operations. It is a straightforward read operation that queries existing data in ServiceNow, matching the 'Read' category for retrieval with no side effects. Severity is low because retrieving task information poses minimal risk even if misused by an agent.
From the tool's definition Tool name is 'find_task' and description indicates it 'Find[s] a task record by its number', which is a query/lookup operation with no modifications or side effects.
Documented attack patterns abuse exactly the kind of access find_task gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Now Sdk Ext, and nothing reaches the server without passing your rules. This is the rule we recommend for find_task:
{
"version": "1",
"default": "deny",
"tools": {
"find_task": {}
}
}find_task is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Find a task record by its number (e.g., \. It is categorised as a Read tool in the Now Sdk Ext MCP Server, which means it retrieves data without modifying state.
Register the Now Sdk Ext MCP server in PolicyLayer and add a rule for find_task: 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 Now Sdk Ext. Nothing to install.
find_task 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 find_task 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 find_task. 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.
find_task is provided by the Now Sdk Ext MCP server (sonisoft-cnanda/now-sdk-ext-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Now Sdk Ext, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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86 Now Sdk Ext tools catalogued and risk-classified — across an index of 43,000+ MCP servers.