aircall_create_tag

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

Annotations (readOnlyHint=false) correctly indicate a write operation, and the description is consistent. The description adds the context that tags are for categorizing calls, but it does not disclose other behavioral traits such as required permissions, whether the created tag gets an ID in the response, or if it is immediately usable. With annotations covering the basic safety profile, this is adequate but not enriched.

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, concise sentence that front-loads the verb and resource. Every word serves a purpose, and there is no redundant information.

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 simple CRUD operation with full schema descriptions and annotations, the description sufficiently conveys the tool's purpose. No output schema exists, so return-value details are not required. It is complete enough for an agent to select and invoke the tool correctly, though it could mention any prerequisites or side effects if applicable.

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 input schema provides descriptions for all parameters (100% coverage), including name, color, and description. The tool description itself does not add parameter-specific meaning beyond the schema, so the baseline of 3 applies. No extra syntax or semantic detail is offered.

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 identifies the action ('Create') and the resource ('a new tag') with a specific purpose ('for categorizing calls'). This distinguishes it from sibling tools like update_tag, delete_tag, and list_tags, making the tool's role immediately obvious.

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 implies usage when a new tag is needed for call categorization, but it does not explicitly mention alternatives or when not to use this tool. Sibling tools (e.g., update_tag, delete_tag) exist, yet no comparison or exclusionary guidance is provided, leaving usage context mostly implied.

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