service_area

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

No annotations are provided, so description must disclose behavioral traits. It notes license requirement, reads network dataset, writes polygon features, and PathGuard constraints. However, it does not cover error behavior, performance, or side effects like temporary files, leaving gaps.

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, front-loaded with purpose and key constructs. No redundant information; every word contributes.

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?

Covers basic requirements and outputs, but lacks details on travel mode behavior, cutoff handling, and overwrite semantics. Adequate for a straightforward tool but not comprehensive for complex network analysis.

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?

Description mentions key inputs (network_dataset, facilities, out_features) but not cutoffs, travel_mode, or overwrite. Although the input schema has descriptions per parameter (context says 'Schema description coverage: 0%', which may be erroneous, but based on given data, description adds moderate value).

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?

Description clearly states the tool solves reachable service area polygons using MakeServiceAreaAnalysisLayer and provides specific use cases (schools, hospitals, etc.). However, it does not explicitly differentiate from sibling tools like closest_facility or route_analysis, leaving some ambiguity.

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?

Description mentions license requirement and process flow, implying when to use. But it lacks explicit when-not-to-use guidance or alternatives, which would help an agent choose among network analysis tools.

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