update_domain_record

Update an existing domain record

SERVERLinode MCP Server SOURCEtakashito/linode-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/takashito-linode-mcp-server/update-domain-record.md

WHAT IT DOES

What update_domain_record does on Linode MCP Server

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

RISK

Why update_domain_record is rated Medium

This tool modifies existing domain records reversibly (DNS changes can be reverted), placing it in the Write category. Severity is high because misconfigured DNS records can redirect traffic to malicious sites, break service availability, or enable man-in-the-middle attacks. An AI agent with access to this tool could cause significant service disruption or enable phishing attacks if misused.

From the tool's definition Tool name 'update_domain_record' and description 'Update an existing domain record' indicate modification of DNS records, which are critical infrastructure components.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_domain_record safely

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

update_domain_record Rate-limited

update_domain_record 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_domain_record": {
      "limits": [
        {
          "counter": "update_domain_record_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 Linode MCP Server, apply this rule, and every update_domain_record call is checked against it from then on.

FAQ

Questions about update_domain_record

What does the update_domain_record tool do? +

Update an existing domain record. It is categorised as a Write tool in the Linode 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_domain_record? +

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

What risk level is update_domain_record? +

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

Can I rate-limit update_domain_record? +

Yes. Add a rate_limit block to the update_domain_record 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_domain_record completely? +

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

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

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