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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is covered. The description still earns credit by adding that the tool 'opens nothing by itself' (no browser session is launched, no side effect) and by characterizing the return payload as ordered screens, buttons, and fields rather than raw data. The dated note about HappyFox's REST API and the absence of an official MCP server explains the architectural reason the browser tools are required.

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 behavior is front-loaded and the step-then-browser sequence is easy to follow. But the final sentence about HappyFox's version 1.1 REST API and the 'checked 20 Oct 2026' audit date is metadata that does little to help an agent decide or act, and the sentence runs long with multiple clauses instead of one crisp statement.

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?

Annotations cover the safety profile and there is no output schema, so the description carries the burden of explaining the workflow, which it does reasonably well. What is missing is how an agent indicates which tickets to look for given the complete absence of parameters, and how specific versus general the returned guidance is. For a tool that gates a multi-step browser workflow, that is a real gap but not a fatal one.

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 schema has zero properties, so there are no parameter semantics to explain, and the baseline for a parameterless tool is 4. The description does not invent parameters or imply that search criteria can be passed in, which is consistent with the empty schema.

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 does state the actual behavior clearly: it 'Returns how to do it in HappyFox step by step (screens, buttons, fields) and opens nothing by itself.' However, the name and title say 'Search tickets', which an agent would reasonably read as performing a search and returning tickets, when in fact this is a guidance tool. That head-on tension between name and described behavior leaves the purpose only partly resolved.

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?

There is one concrete routing instruction: after getting the steps, 'do it with the cotlet_browser_* tools in the user's HappyFox Cloud Browser.' That is useful workflow guidance. But it never says when to pick this over siblings such as cotlet_app_guide or how it relates to happyfox_list_queues, and with zero parameters there is no guidance on what to tell it about the search the user wants.

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