whistle_sessions_list

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

No annotations are provided, so the description must carry the full burden. It only states the list and filtering capability, but does not disclose behavioral details such as whether sessions are returned in descending time order, what fields are included, or whether filters are case-sensitive. The "recent" qualifier is helpful but insufficient.

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 a single sentence that efficiently conveys the core purpose and primary filters. There is no redundant or filler content, and it is appropriately front-loaded.

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 simple list tool with three parameters and no output schema, the description gives the essential purpose and filters. However, it omits details about the return format, ordering, and limit behavior, which would be needed for a fully complete understanding without an output schema.

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 input schema already covers all parameters with full descriptions, so the baseline is 3. The description adds minimal value by mentioning URL and HTTP method filtering, which aligns with urlFilter and method. However, the 'count' parameter is not mentioned in the description, but the schema covers it adequately.

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 a specific action—'获取最近抓包的 session 列表' (get recent captured session list)—and specifies filtering by URL or HTTP method. This distinguishes it from sibling tools like whistle_session_get (single session) and whistle_sessions_search (search), which suggests a different scope.

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?

The phrase '最近抓包' (recently captured) provides a clear context for when to use this tool: to retrieve recent sessions. It does not exclude alternatives or explicitly mention the sibling search tool, but it gives enough context for basic usage.

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