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Kubernetes MCP Server

Kubernetes MCP Server

by Portfolio-jaime
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compare_versions

Compare current and target versions of a Kubernetes component to identify differences and assess upgrade impact.

Instructions

Comparar versiones de componentes

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": {
      "component": "<component>",
      "currentVersion": "<currentVersion>",
      "targetVersion": "<targetVersion>"
    },
    "name": "compare_versions"
  }
}

Input Schema

NameRequiredDescriptionDefault
componentYesNombre del componente
targetVersionYesVersión objetivo
currentVersionYesVersión actual

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.5/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. The word 'compare' implies a read-only operation, but the description does not state side effects, authorization needs, return behavior, or whether it fetches data from the cluster. This leaves critical behavioral uncertainty for an agent.

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 short and front-loaded, with no filler or waste. However, it is under-specified: it conveys only a minimal restatement of purpose and omits necessary usage and behavioral context. Its brevity is helpful but not balanced with substance.

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?

For a 3-parameter tool with no output schema and no annotations, coupled with confusingly similar siblings, this description is incomplete. It does not explain what the comparison does, what result the agent should expect, or how this differs from analyze_versions. The schema alone cannot fill these contextual gaps.

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%, so the parameters are already documented by the schema. The description adds no extra meaning such as version format, how 'current' and 'target' relate, or what a successful comparison requires. It neither compensates for schema gaps nor contradicts them, so the baseline 3 applies.

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

Purpose3/5

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

The description states a clear verb and resource ('compare component versions'), but it is essentially a Spanish paraphrase of the tool name and does not distinguish this tool from analyze_versions or get_outdated_components. It is not a full tautology because it names 'components' as the object, but it gives no detail about the scope or nature of the comparison.

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?

There is no guidance about when to use this tool versus its siblings, such as analyze_versions or get_outdated_components. The intended use is only implied by the name and description, with no exclusions, prerequisites, or alternative routing.

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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