create_tag

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

No annotations are present, so the description must fully disclose behavioral traits. It fails to specify whether the tool has side effects, requires specific permissions, handles idempotency, or what happens if a duplicate tag name is used. The description is completely silent on behavior beyond the fact that it creates a tag.

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 extremely short (4 words), but this brevity comes at the cost of under-specification. While conciseness is generally positive, the description lacks essential information, making it inadequate rather than efficient.

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 tool with no output schema and two parameters, the description should at least hint at the return value or side effects. It does neither. The tool's context is incomplete, leaving the agent without critical information to use it correctly.

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%, and the description provides no additional meaning for the two parameters (name, color). The agent cannot infer constraints, allowed values, or the effect of the optional color parameter. The description adds zero value over the schema's property names.

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 'tag', which distinguishes it from sibling tools like 'delete_tag', 'update_tag', and 'list_tags'. However, it adds no additional detail beyond the tool name itself, missing the opportunity to specify scope or context.

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 usage guidelines are provided. The description does not indicate when to use this tool, what prerequisites exist, or how it differs from alternatives. The agent has no guidance on when creating a tag is appropriate or if there are any constraints.

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