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

Annotations declare it's not read-only, not destructive, and not open-world. The description adds context about permission checking and free business restriction, which is helpful but does not detail behavioral traits like side effects, data mutation, or auth requirements beyond what annotations imply.

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?

Compact and front-loaded with the purpose in the first sentence. The subsequent instructions are clear but could be more structured. At 4 sentences, it is concise without being terse.

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?

Lacks many essentials: return values are not described, parameter details are missing, and there is no explanation of what 'Magic Content' entails. For a tool with 8 parameters and no output schema, the description should compensate, but it does not.

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 does not explain any of the 8 parameters. With 0% schema coverage, the agent gets no help understanding what each parameter means or how to format them. Only 'creativeDirectionPrompt' is implied from the description, but others like communityId, assetType, attachments are completely unexplained.

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?

Clearly states it generates Magic Content from a creative direction. However, there are sibling tools like `generate_magic_content` and `generate_magic_content_prompt`, and the description does not distinguish them. The purpose is specific but lacks sibling differentiation.

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?

Provides explicit instructions: check business permissions, call check_business_tool_access first, show grace-period warning and resubscribe link, and none for free businesses. This is strong guidance on when and how to use, though it does not compare to alternative tools.

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