run_fix_script

Execute a fix script (sys_script_fix) by name or sys_id on the server. Requires WRITE_ENABLED=true and SCRIPTING_ENABLED=true

SERVERServiceNow MCP Server SOURCE@aartiq/servicenow-mcp

High RISK CLASS

Category Execute

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/run-fix-script.md

WHAT IT DOES

What run_fix_script does on ServiceNow MCP Server

AI agents invoke run_fix_script to trigger actions in ServiceNow MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why run_fix_script is rated High

Executes arbitrary scripts on ServiceNow server with scripting capabilities enabled; high blast radius.

From the tool's definition Execute a fix script, Requires WRITE_ENABLED, SCRIPTING_ENABLED

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs run_fix_script 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 run_fix_script, this is the rule to start with:

run_fix_script Rate-limited

run_fix_script stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "run_fix_script": {
      "limits": [
        {
          "counter": "run_fix_script_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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 run_fix_script call is checked against it from then on.

FAQ

Questions about run_fix_script

What does the run_fix_script tool do? +

Execute a fix script (sys_script_fix) by name or sys_id on the server. Requires WRITE_ENABLED=true and SCRIPTING_ENABLED=true. It is categorised as a Execute tool in the ServiceNow MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run_fix_script? +

Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for run_fix_script: 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 run_fix_script? +

run_fix_script is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit run_fix_script? +

Yes. Add a rate_limit block to the run_fix_script 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 run_fix_script completely? +

Set action: deny in the PolicyLayer policy for run_fix_script. 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 run_fix_script? +

run_fix_script 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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