agora_set_activity

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

With no annotations, the description carries the full burden. It does disclose two useful traits: the activity is public ('the world renders it') and it is not an animation directive ('no animation instructions are sent'). However, it says nothing about persistence, auth requirements, or whether the value auto-resets, which are the remaining behavioral 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 tight sentences with the core action front-loaded and the value list wrapped in a parenthetical. Slightly dense, but every clause (values, public visibility, no-animation caveat) earns its place.

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?

An output schema exists, so return values need no explanation. The description covers purpose, valid values, and the observable effect; only secondary details like persistence or auth are missing, which is minor for a one-parameter state-setter.

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 coverage is 0% and the single 'activity' param has no enum in the schema, but the description compensates by enumerating all twelve accepted values inline. That is the most valuable thing it could add for this parameter, though it does not clarify case-sensitivity or invalid-value behavior.

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+resource (set this agent's own public semantic activity) and enumerates the valid states. It is unmistakably distinct from every sibling, none of which sets agent activity.

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 explicit when-to-use or when-not language, but the phrasing 'public semantic activity' plus 'the world renders it' implies the usage context: broadcasting what the agent is doing to others. It is the only activity-setting tool, so no alternative needs naming, but the trigger conditions are left to inference.

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