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k8s-pilot

k8s-pilot

by bourbonkk
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

replicaset_create

Create a new ReplicaSet in a Kubernetes namespace by specifying its name, image, replicas, and labels.

Instructions

Create a ReplicaSet in the specified namespace.

Args: context_name: The Kubernetes context name namespace: The Kubernetes namespace name: The ReplicaSet name image: The container image to use replicas: Number of replicas labels: Labels to apply to the ReplicaSet

Returns: Status of the creation operation

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": {
      "context_name": "<context_name>",
      "namespace": "<namespace>",
      "name": "<name>",
      "image": "<image>",
      "replicas": "<replicas>",
      "labels": "<labels>"
    },
    "name": "replicaset_create"
  }
}

Input Schema

NameRequiredDescriptionDefault
nameYes
imageYes
labelsYes
replicasYes
namespaceYes
context_nameYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv2.0.0
  2. Removedv2.0.0
  3. First observed

TDQS

B3.4/5.0
Behavior2/5

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

With no annotations provided, the description carries full burden. It states 'Create a ReplicaSet' which implies a write/mutation operation, but doesn't disclose behavioral traits like required permissions, whether it's idempotent, what happens on failure, or typical response formats. The 'Returns: Status of the creation operation' is vague about what that status includes.

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

Conciseness4/5

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

The description is well-structured with clear sections (purpose, Args, Returns). Each sentence earns its place, though the 'Returns' statement could be more informative. It's appropriately sized for a 6-parameter creation tool without unnecessary verbosity.

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

Completeness3/5

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

For a mutation tool with 6 parameters, 0% schema coverage, no annotations, and no output schema, the description does an adequate job explaining parameters but lacks crucial context. It doesn't cover error conditions, authentication requirements, or what the return 'Status' actually contains. Given the complexity, it should provide more operational guidance.

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

Parameters4/5

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

Schema description coverage is 0%, so the description must compensate. It provides a clear Args section explaining each of the 6 parameters with meaningful context (e.g., 'The Kubernetes context name', 'Labels to apply to the ReplicaSet'). This adds substantial value beyond the bare schema, though some details like label format expectations could be more specific.

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

Purpose5/5

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

The description clearly states the verb 'Create' and resource 'ReplicaSet' with specific location 'in the specified namespace.' It distinguishes from siblings like replicaset_delete, replicaset_get, replicaset_list, and replicaset_update by focusing on creation rather than other operations.

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?

The description provides no guidance on when to use this tool versus alternatives. It doesn't mention prerequisites (e.g., existing namespace, cluster access), compare to similar tools like deployment_create, or specify scenarios where a ReplicaSet is preferred over other workload controllers.

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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