cloud_storage_create_bucket

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

With no annotations provided, the description carries full burden for behavioral disclosure. It mentions the return value ('Success!!' or exception message) which is helpful, but lacks critical details like required permissions, rate limits, whether the operation is idempotent, or what happens on conflicts. The description doesn't contradict annotations, but is incomplete for a mutation tool.

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 appropriately concise with clear sections (Args, Returns). The first sentence directly states the purpose. However, the parameter documentation is misleading given the schema mismatch, which slightly reduces effectiveness.

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?

For a mutation tool with no annotations, 0% schema coverage, no output schema, and a parameter mismatch, the description is inadequate. It provides basic purpose and return format but misses critical context about permissions, error conditions, and doesn't align with the actual schema structure.

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?

The description lists 'bucket_name' and 'region' as required parameters with some region examples, but the input schema shows only one parameter 'request' with no description (0% coverage). This creates a serious mismatch - the description documents parameters that don't exist in the schema, failing to compensate for the schema's deficiencies.

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 verb 'create' and resource 'bucket', making the purpose specific and understandable. However, it doesn't explicitly differentiate from sibling tools like 'cloud_storage_list_buckets' or 'cloud_storage_get_bucket_location' beyond the obvious create vs. list/get distinction.

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?

No guidance is provided on when to use this tool versus alternatives. There's no mention of prerequisites (e.g., authentication needs), when not to use it (e.g., if a bucket already exists), or comparison with sibling tools beyond what's implied by the name.

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