Set open boundary

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

Annotations already declare readOnlyHint=false, idempotentHint=true, destructiveHint=false, and openWorldHint=false. The description adds no behavioral context beyond the schema, such as effects on existing boundary settings, synchronization needs, or what the cryptic EVAC/VENT rule references mean.

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 first sentence is concise and front-loaded with the core action. The bracket rule-reference line is cryptic and may not earn its place, but the overall description remains short.

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 two-parameter tool with full schema description coverage and annotations covering safety and idempotency, the description is mostly complete. The lack of explicit sibling differentiation is a minor gap, but no output schema or nested objects require further explanation.

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 the enum values and boolean open/close semantics are already documented. The description only restates this information and adds no extra parameter meaning, making the baseline score appropriate.

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?

States a specific verb (Set) and resource (domain face) with the possible states OPEN/close, so the basic action is clear. However, it does not explicitly distinguish itself from sibling tools such as set_all_boundaries_open or set_chid, leaving the single-face scope implied.

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?

No guidance on when to use this tool versus alternatives, no prerequisites, and no exclusions. The cryptic rule-reference line does not explain usage and reads as metadata rather than actionable guidance.

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