add_nodebalancer_node

Add a node to a NodeBalancer port config

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/add-nodebalancer-node.md

WHAT IT DOES

What add_nodebalancer_node does on Linode MCP Server

AI agents use add_nodebalancer_node 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 add_nodebalancer_node is rated Medium

This tool creates or adds a new node to an existing NodeBalancer configuration. It is a Write operation because it modifies cloud infrastructure in a reversible manner (the node can be removed). While it affects networking infrastructure, the action is not destructive, not financial, and does not execute arbitrary code—it simply creates a new resource binding.

From the tool's definition Tool name 'add_nodebalancer_node' and description 'Add a node to a NodeBalancer port config' indicate creation of a new load balancer node configuration, which modifies infrastructure state reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

add_nodebalancer_node Rate-limited

add_nodebalancer_node 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": {
    "add_nodebalancer_node": {
      "limits": [
        {
          "counter": "add_nodebalancer_node_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 add_nodebalancer_node call is checked against it from then on.

FAQ

Questions about add_nodebalancer_node

What does the add_nodebalancer_node tool do? +

Add a node to a NodeBalancer port config. 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 add_nodebalancer_node? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for add_nodebalancer_node: 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 add_nodebalancer_node? +

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

Can I rate-limit add_nodebalancer_node? +

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

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

add_nodebalancer_node 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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