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MCP Vibe Coding Tools

MCP Vibe Coding Tools

by ammilam
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TypeScript
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gcloud_container_node_pools_list

List node pools in a GKE cluster by providing the cluster name and optional zone or region to retrieve pool details for management or inspection.

Instructions

List node pools in a GKE cluster

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "cluster_name": "<cluster_name>"
    },
    "name": "gcloud_container_node_pools_list"
  }
}

Input Schema

NameRequiredDescriptionDefault
zoneNoZone of the cluster
regionNoRegion of the cluster
cluster_nameYesName of the GKE cluster

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.8/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. It only states the basic function, omitting any information about authentication needs, rate limits, error handling, pagination, or what happens if the cluster doesn't exist.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no wasted words. However, it is extremely terse and does not earn its place by providing additional useful context. It is acceptable but not exemplary.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Without an output schema, the description should at a minimum explain what the returned node pool data looks like or mention pagination/ordering. It does not. Additionally, the broader context of GKE cluster hierarchy (cluster → node pool) is unaddressed, making this incomplete for an agent unfamiliar with GCP.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% with all three parameters documented adequately. Per the baseline rule for high coverage, the description does not need to add parameter info, and it does not. It neither clarifies the relationship between zone and region nor adds constraints beyond the schema, resulting in no added value.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('List') and the resource ('node pools in a GKE cluster'), distinguishing it from sibling tools that list clusters, instances, or buckets. It's specific enough for an agent to understand what this tool does.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives (e.g., gcloud_container_clusters_list for listing clusters, or gcloud_execute for custom commands). There are no when-to-use, when-not-to-use, or prerequisite conditions mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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