get_positioning

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

With no annotations, the description carries the full burden of disclosing behavior. It does convey that the operation reads current positioning and that channel omission changes the result to the full-scope decision. It does not explicitly state side-effect freedom, error behavior, or what the returned object contains, though the output schema may cover some of this.

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 one short Japanese sentence that immediately states the core action and then clarifies the optional-parameter behavior. It contains no filler, repeated information, or unnecessary detail.

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 optional parameter and an output schema is present, so return-value explanation is not necessary. The description covers the primary behavior and the effect of omitting the parameter, which is the main uncertain point for an agent. It could be slightly stronger by explicitly noting the absence of side effects, but given the tool's simplicity it is largely complete.

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 schema provides no parameter descriptions, and schema description coverage is 0%, so the description must compensate. It does add meaning by mapping the 'channel' parameter to a medium ('媒体') and explaining that omitting it returns the decision applied to the whole. However, it does not clarify what valid channel values look like or what '全体' concretely means, leaving some ambiguity.

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 uses a specific verb ('読む' / read) and a clear resource ('いまの決め（看板）' / current decision), so an agent can tell this is a retrieval operation. It also explains the behavior when the optional channel is omitted, which adds precision. It does not explicitly differentiate itself from sibling tools like record_positioning, but the read-vs-write intent is reasonably clear.

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 description indicates that the tool reads current positioning and that omitting the channel scopes the request to the overall setting. However, it does not state when to choose this tool over siblings such as record_positioning or check_consistency, nor does it mention any exclusion conditions. Usage context is implied rather than explicit.

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