attribute_set

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

With no annotations, the description carries the full behavioral burden. It does disclose that the action is a mutable set/update and enumerates supported data types, but it omits important details such as what happens when value is omitted, whether existing attributes are overwritten or cleared, error conditions, and permissions.

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?

A single, information-dense sentence that front-loads the core action and adds a useful parenthetical list of supported types. No redundant or filler content.

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 and the schema covers all parameter names, but the description leaves ambiguity about whether the value parameter is mandatory (schema does not mark it required) and does not address how errors like invalid attribute names or missing targets are reported. This is enough for common cases but not fully 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 already documents all three parameters at 100% coverage, so the description does not need to re-explain them. It adds minor value by specifying the value types accepted and clarifying that the target is an Instance.

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 names a specific action (set/update) and resource (attribute on an Instance), and lists the supported value types. This clearly distinguishes attribute_set from siblings like property_set, attribute_get, and attribute_delete.

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 use case is implied by 'Set or update an attribute' and the list of supported value types, but the description never explicitly says when to prefer this over property_set or attribute_get. No exclusions or alternative-tool routing are provided.

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