gemini_analyze_url_tool

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

Since no annotations are provided, the description carries full burden for behavioral disclosure. It fails to mention any limitations (e.g., number of URLs, supported content types), side effects, rate limits, or what the tool returns. The description is purely nominal and offers no transparency beyond 'analyze'.

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, which is concise and front-loaded. However, it is under-specified rather than appropriately concise; it provides no elaboration or structure. It is not verbose, but the brevity comes at the cost of usefulness.

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?

Given the tool's complexity (4 parameters, output schema, multiple sibling analysis tools), the description is severely incomplete. It provides no detail on expected outputs, interaction with other tools, or what 'analyze' entails. The agent cannot infer how to correctly invoke it without additional context.

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 100%, so all 4 parameters have descriptions. The tool description adds no extra meaning to the parameters, but per rubric, with high coverage the baseline is 3. The description does not compensate for any missing param detail, but the schema handles it.

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 'Analyze one or more URLs.', which is essentially a restatement of the tool name. It does not specify what kind of analysis is performed (e.g., summarize, extract, QA) and is indistinguishable from sibling tools like gemini_analyze_text_tool or gemini_extract_from_url_tool. The purpose is minimally clear but lacks specificity.

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 no guidance on when to use this tool versus alternatives. It provides no context, prerequisites, or comparisons to similar URL analysis tools. The description only states the function with no insights into appropriate usage scenarios.

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