create_now_assist_skill

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

The description adds a concrete prerequisite (NOW_ASSIST_ENABLED + WRITE_ENABLED) beyond what annotations provide. Annotations already indicate it's writable and non-destructive, and the description supplements with a permission requirement. However, it does not detail other behaviors like idempotency or error handling.

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 two sentences, no unnecessary words. The requirement info is front-loaded in parentheses, making it efficient for an agent to quickly grasp the purpose and constraints.

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?

The description is adequate for a simple creation tool but lacks information about the return value (no output schema), synchronization, or error scenarios. Given the complexity of the tool (6 parameters, 5 required), more context would improve agent usability.

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%, so baseline is 3. The description does not add any additional meaning beyond the parameter names and types already in the schema. No extra context for usage of each parameter is provided.

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 'Create a Now Assist skill definition', using a specific verb and resource. It distinguishes from sibling tools like list_now_assist_skills, get_now_assist_skill, and test_now_assist_skill by focusing on creation.

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 for creating a new skill but does not explicitly state when to use or when not to use this tool over alternatives. No mention of prerequisites beyond the requirements in parentheses, and no comparison to similar create tools.

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