create_pvc

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

No annotations are provided, so the description bears full responsibility for disclosing behavioral traits. It mentions creating a PVC (a write operation) but lacks details on permissions required, side effects (e.g., if PVC already exists), or any constraints. The format examples are helpful but insufficient.

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

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

The description is very concise at three sentences, with the purpose stated first. Every sentence adds value through examples and valid values. However, it could be structured more formally with clearer parameter explanations.

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

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

Given the tool has 6 parameters, no annotations, an output schema, and performs a creation operation, the description is minimal. It does not explain return values (though output schema exists), permission requirements, or specific constraints like cluster selection. The context is incomplete for safe invocation.

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

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

With 100% schema description coverage (0% in schema, but description adds value), the description provides examples for storage_request (e.g., '10Gi') and lists valid access_mode values. However, it does not explain the cluster, storage_class, or other parameters, leaving gaps. This adds moderate meaning beyond the schema.

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

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

The description clearly states the tool's action: creating a PersistentVolumeClaim. It provides examples for key parameters, making the purpose unambiguous. The sibling tools include list_pvcs and get_pvc, which are distinct operations.

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

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

The description offers no guidance on when to use this tool vs alternatives like list_pvcs or get_pvc. It does not mention prerequisites, such as requiring an existing namespace or storage class, nor does it exclude scenarios.

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