create_now_assist_skill
Create a Now Assist skill definition (requires NOW_ASSIST_ENABLED + WRITE_ENABLED)
This record as markdown: /tools/nowaikit-servicenow-ai-toolkit/create-now-assist-skill.md
What create_now_assist_skill does on NowAIKit — ServiceNow AI Toolkit
AI agents use create_now_assist_skill to create or update resources in NowAIKit — ServiceNow AI Toolkit, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your NowAIKit — ServiceNow AI Toolkit environment.
Why create_now_assist_skill is rated Medium
This tool creates new skill definitions in the Now Assist system, which modifies ServiceNow's configuration and capabilities. It is reversible (skills can be deleted or updated) and does not permanently destroy data, making it Write rather than Destructive.
From the tool's definition Tool description explicitly states 'Create a Now Assist skill definition' with required WRITE_ENABLED permission. 'Create' is a write operation that produces new data artifacts (skill definitions) in ServiceNow.
Attacks that exploit this kind of access
The rule that runs create_now_assist_skill safely
PolicyLayer is an MCP gateway: it sits between your AI agents and NowAIKit — ServiceNow AI Toolkit, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_now_assist_skill, this is the rule to start with:
create_now_assist_skill 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.
The button opens the PolicyLayer dashboard: create your workspace, connect NowAIKit — ServiceNow AI Toolkit, apply this rule, and every create_now_assist_skill call is checked against it from then on.
Questions about create_now_assist_skill
Create a Now Assist skill definition (requires NOW_ASSIST_ENABLED + WRITE_ENABLED). It is categorised as a Write tool in the NowAIKit — ServiceNow AI Toolkit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the NowAIKit — ServiceNow AI Toolkit MCP server in PolicyLayer and add a rule for create_now_assist_skill: 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 NowAIKit — ServiceNow AI Toolkit. Nothing to install.
create_now_assist_skill 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 create_now_assist_skill 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 create_now_assist_skill. 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.
create_now_assist_skill is provided by the NowAIKit — ServiceNow AI Toolkit MCP server (nowaikit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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