update_setting · NGS360 MCP Server MCP: Risk & Policy

WHAT IT DOES

What update_setting does on NGS360 MCP Server

AI agents use update_setting to create or update resources in NGS360 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your NGS360 MCP Server environment.

WHY IT NEEDS A POLICY

Why update_setting needs a policy

The tool performs a write operation (modifying configuration/settings) that is reversible and does not destroy data or execute arbitrary code. It ranks below Execute (no code execution apparent), Destructive (not deleting/purging), and Financial (no money movement). Medium severity assumes settings changes could affect workflow behavior or data processing pipelines if misconfigured by an AI agent.

From the tool's definition Tool name 'update_setting' indicates modification of settings/configuration data. Description is empty, limiting confidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_setting Rate-limited

update_setting 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": {
    "update_setting": {
      "limits": [
        {
          "counter": "update_setting_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches NGS360 MCP Server, so you can run agents against it safely.

FAQ

Questions about update_setting

What does the update_setting tool do? +

update_setting. It is categorised as a Write tool in the NGS360 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 update_setting? +

Register the NGS360 MCP Server MCP server in PolicyLayer and add a rule for update_setting: 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 NGS360 MCP Server. Nothing to install.

What risk level is update_setting? +

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

Can I rate-limit update_setting? +

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

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

update_setting is provided by the NGS360 MCP Server MCP server (ngs360/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.