complete_task

Mark a task as complete (requires WRITE_ENABLED=true)

SERVERServiceNow MCP Server SOURCE@aartiq/servicenow-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/servicenow-mcp-server/complete-task.md

WHAT IT DOES

What complete_task does on ServiceNow MCP Server

AI agents use complete_task to create or update resources in ServiceNow MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ServiceNow MCP Server environment.

RISK

Why complete_task is rated Medium

This tool modifies task records by changing their completion status, which is a reversible state change typical of Write category operations. While it alters data, completion can be undone (task can be reopened). The medium severity reflects that misuse could disrupt task workflows and project management, but the effect is limited to individual task records and is reversible.

From the tool's definition Tool description states 'Mark a task as complete' which creates a modification to task state. The description explicitly notes '(requires WRITE_ENABLED=true)' confirming write capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs complete_task safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceNow MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For complete_task, this is the rule to start with:

complete_task Rate-limited

complete_task 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "complete_task": {
      "limits": [
        {
          "counter": "complete_task_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow MCP Server, apply this rule, and every complete_task call is checked against it from then on.

FAQ

Questions about complete_task

What does the complete_task tool do? +

Mark a task as complete (requires WRITE_ENABLED=true). It is categorised as a Write tool in the ServiceNow MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on complete_task? +

Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for complete_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 ServiceNow MCP Server. Nothing to install.

What risk level is complete_task? +

complete_task is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit complete_task? +

Yes. Add a rate_limit block to the complete_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.

How do I block complete_task completely? +

Set action: deny in the PolicyLayer policy for complete_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.

What MCP server provides complete_task? +

complete_task is provided by the ServiceNow MCP Server MCP server (@aartiq/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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