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scale_statefulset

Scale a StatefulSet to a desired replica count, with dry-run preview and automatic rollback to previous count.

Instructions

[WRITE][risk=medium] Scale a statefulset to replicas. Inverse: restore previous count.

Pass dry_run=True to preview without scaling (no undo is recorded for a preview).

Args: name: StatefulSet name. replicas: Desired replica count. namespace: Namespace; omit for the target's default namespace. dry_run: If True, preview without scaling. target: k8s target name from config.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
targetNo
dry_runNo
replicasYes
namespaceNo
Behavior2/5

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

No annotations; description provides some behavioral context (write, risk, dry_run behavior) but misses side effects (pod termination, creation), prerequisites, error handling, and statefulness implications.

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?

Well-structured with header and Args; relatively concise. Minor extra info (inverse) but not harmful.

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?

Covers all parameters; lacks return value description and prerequisites. Given no output schema and 5 params, mild gaps in completeness.

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

Parameters5/5

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

Schema coverage 0%, but Arg section explains all 5 parameters: name, replicas, namespace, dry_run, target. Clarifies default namespace and dry_run purpose.

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?

Verb "Scale" + resource "StatefulSet" clearly stated. Distinguishes from siblings like scale_deployment. Inverse operation mentioned adds clarity.

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

Usage Guidelines3/5

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

Mentions dry_run for preview; no explicit when-to-use vs alternatives or exclusions. Name and resource type imply usage, but lacks explicit guidance.

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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