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

Beyond the readOnly/idempotent/destructive annotations, the description discloses the non-obvious behavior that this tool returns instructions (screens, buttons, fields) and performs no action itself, and notes Workever has no public API. This meaningfully shapes how an agent should sequence it with browser tools. It stops short of describing the guide's format or any limits on its content.

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 core message is front-loaded, but 'from ChatGPT, Claude or any AI agent' is marketing filler and the closing 'Workever's official API: Workever publishes no public API' is awkward and redundant. Trimming these would make the tool's behavior and workflow guidance clearer with less noise.

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 zero-parameter, no-output-schema guide tool, it conveys what you get (step-by-step screens/buttons/fields), that it takes no action, and what to do next. The only gap is the practical detail of whether the Workever Cloud Browser/account must already be set up before calling, but overall the definition is sufficient to invoke and 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?

With zero parameters and 100% schema coverage, there is no parameter meaning to add, so the baseline of 4 would normally apply. However, in this case the description could have clarified scope constraints (e.g., which account/context the guide is generated for); it does mention 'the user's own Workever account', which is a small addition. A 3 is defensible but a 4 is more accurate given no params and no gaps to compensate.

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 states the specific resource (unpaid invoices in the user's Workever account) and, crucially, clarifies it returns step-by-step how-to guidance rather than listing data itself. This corrects the initial impression created by the name/title 'List unpaid invoices', which reads as an action. It is clear once read, though the opening sentence and the genuine behavior pull in slightly different directions.

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 explicitly says the tool 'opens nothing by itself' and that you should 'then do it with the cotlet_browser_* tools in the user's Workever Cloud Browser', which is clear workflow guidance. What's missing is any exclusion or comparison to sibling Workever tools for an agent that might expect a direct listing; the absence of alternatives is implied rather than stated.

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