repurpose_url

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

With no annotations, the description must disclose behavioral traits. It does disclose the cost (6 AI credits per call) and the 'single call' behavior, which is useful. However, it does not clarify whether the generated posts are saved, returned, or scheduled, leaving a significant ambiguity about side effects and output.

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 three sentences and each provides unique value: function, positioning, and cost. It is concise with no filler, though 'write once, get 16 versions' is slightly redundant and possibly inaccurate, which prevents a perfect score.

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 tool has no output schema and no annotations, so the description must explain what happens after generation. It fails to mention return format, whether posts are persisted, or how to retrieve them. It also omits any requirement for workspace_id. This leaves the agent without crucial context for a complex feature.

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. It covers the url param ('Fetch a blog/article URL') and the platforms param ('per requested platform'), but completely ignores workspace_id. Additionally, the '16 versions' claim contradicts the 20-item platform enum, potentially misleading the agent about the allowed values.

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 ('Fetch') and resource ('blog/article URL'), then explains the main output: generate one optimized post per requested platform. It also distinguishes itself by emphasizing the 'single call' and '16 versions' aspect, which sets it apart from sibling tools like rewrite_for_platforms.

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?

It provides context that this is the 'flagship Developer Content Stack feature' and mentions 'write once, get 16 versions', implying a bulk repurposing use case. However, it does not explicitly state when to use this vs alternatives (e.g., rewrite_for_platforms, generate_caption), and gives no 'when not to use' guidance.

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