ibmcloud_cr_namespace_add

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

With no annotations provided, the description carries full responsibility for disclosing behavioral traits. It only states the action 'Create', which implies a mutation, but provides no information on side effects, required permissions, irreversibility, or response behavior. This is insufficient for a write operation.

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 a single sentence with no wasted words, making it concise. However, it offers no substantive information beyond the tool's name, bordering on a tautology. It is appropriately short but lacks the enriching details that would earn a higher score.

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's complexity (2 parameters, no output schema, no annotations), the description is too sparse. It does not clarify the role of 'resource_group', whether it must exist, or any default behavior. For a create operation, it should at least hint at what happens when resource_group is omitted.

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?

Schema description coverage is 100%, with both 'name' and 'resource_group' having descriptions in the schema. The tool description adds no additional parameter context, so the baseline of 3 applies per the scoring guidelines.

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 action 'Create' and the resource 'Container Registry namespace', making the tool's purpose unambiguous. It also distinguishes from the sibling tool 'ibmcloud_cr_namespaces' which presumably lists namespaces, as this tool performs a creation operation.

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 provides no guidance on when to use this tool vs alternatives. It does not mention prerequisites (e.g., login), default behavior for omitted resource_group, or cases where creation might fail (e.g., duplicate namespace). No exclusions or alternative tools are referenced.

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