pinterest_call

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

With no annotations, the description carries the full burden of behavioral disclosure. It discloses that ad_account_id defaults from an environment variable, but it does not explain that this tool may perform reads or mutations across many different operations, nor any side effects, authentication requirements, or failure behavior.

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 short with no filler; both sentences contribute information. It is under-specified, but the conciseness itself is appropriate and the most important operational detail is front-loaded.

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 generic dispatch tool with no output schema, no annotations, and three barely documented parameters, the description is severely incomplete. It does not tell the agent how to obtain valid operation ids, how body/params should be shaped, what the response looks like, or when the generic tool should be preferred over the sibling-specific tools.

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 0%, so the description must compensate for the schema's lack of parameter documentation. It adds some meaning by explaining the ad_account_id default behavior, but operation_id, body, and params are left essentially undefined beyond the raw 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 states a clear verb and resource: call any Pinterest operation by id. This implies a generic dispatcher distinct from the specific sibling operations, though it does not explicitly name those siblings or define what an operation id is.

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 gives no guidance on when to use this tool instead of the specialized Pinterest tools, nor does it mention that available operation ids can be discovered via pinterest_list_operations. The ad_account_id environment fallback is useful but does not constitute usage guidance.

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