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

With readOnlyHint=true and idempotentHint=true already declared, the description reinforces them explicitly ("opens nothing by itself") and resolves the apparent contradiction with the verb "create". It further discloses the return shape (screens, buttons, fields) and why browser automation is required (no public API, no webhooks, no Zapier app).

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?

Two sentences carry the action, the return value, and the handoff to browser tools, front-loading the key fact. The closing API-status sentence is long but earns its place by explaining the absence of an API alternative.

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?

With no output schema, the description takes on the burden of explaining the return value and does so concretely, plus it explains the integration landscape and the required follow-on tool family. Nothing essential for correct invocation is missing.

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 tool takes zero parameters, so the baseline is 4; there is nothing for the description to disambiguate. It correctly omits any parameter discussion rather than padding.

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 names a specific action and resource (create a job sheet in the user's JobSheet account) and explicitly clarifies the true output: a step-by-step guide rather than a completed creation. The only gap is that it doesn't explicitly differentiate itself from cotlet_app_guide, which appears to serve a similar guide-style role.

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 tells the agent what to do next: run this first, then execute the steps with cotlet_browser_* tools in the JobSheet Cloud Browser. It also gives a verification date for the API claim. It stops short of stating when NOT to use it (e.g., versus cotlet_app_guide or the list/invoice/quote siblings).

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