Project Connections

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, and openWorldHint=false, covering the safety profile. The description adds only boilerplate ('returns verifiable structured results') and a vague caveat about write/path limits, with no contradiction but also no meaningful behavioral context beyond the annotations.

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 short and front-loads the tool identifier, so it is not bloated. However, the brevity comes from generic boilerplate rather than efficient, informative prose, so the compactness does not earn much credit.

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?

The tool is simple (one parameter, read-only, output schema present so return values needn't be explained), but the description still fails to cover the one input it requires or clarify its scope. Given how little is asked of it, the omission of any aprx_path semantics leaves an avoidable gap.

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 single aprx_path parameter has 0% schema description coverage, so the schema does no work and the description does not compensate. It never mentions aprx_path, its format, or whether it is a path to a .aprx file that must exist or be open.

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 essentially restates the tool name ('connections工程' / project connections) without a clear verb-resource statement of what the tool actually does or returns. It does not differentiate from siblings like arcgis_pro_list_projects, arcgis_pro_project_summary, or arcgis_pro_list_projects. This is closer to a tautology than a specification.

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, no prerequisites, and no exclusions. The only quasi-guidance is a generic note that 'write and path restrictions are subject to service capabilities,' which does not help an agent decide when to call it.

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