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ACRT-EVAL
by ACRT-EVAL

list_services

List Kubernetes services in a specified namespace to inspect exposed resources and verify service configuration using your current kubectl context.

Instructions

List services in a namespace

Input Schema

NameRequiredDescriptionDefault
namespaceYesdefault

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.4

TDQS

B3.1/5.0
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 behavioral burden. It implies a read-only listing operation but does not disclose permissions, pagination, return shape, error behavior, or whether omitted/empty namespaces behave differently.

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

Conciseness5/5

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

The description is a single front-loaded sentence with no filler. Every word contributes directly to the action, resource, and scope.

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 simple one-parameter list tool, the core action and scope are clear. However, with no annotations and no output schema, the description leaves the agent without return-value, permission, or namespace-default context.

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?

The single parameter has 0% schema description coverage, so the description must compensate. It identifies 'namespace' as the scoping value, adding some meaning beyond the schema's name and type, but it does not explain the default value or accepted namespace format.

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 gives a specific verb and resource ('List services') and states the scoping dimension ('in a namespace'). It distinguishes itself naturally from siblings like list_pods and list_deployments by resource, but does not explicitly name or differentiate alternatives.

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 explicit guidance on when to use this tool versus siblings such as list_pods, list_deployments, or list_namespaces. Usage is only implied by the resource name and the namespace scope.

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