enter_game_mode

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

With no annotations, the description carries the burden of behavioral disclosure. It states the core behavior accurately, but does not reveal side effects such as starting simulation, pausing editing, or the ability to revert via exit_game_mode. The parenthetical 'play-in-editor' adds useful context, though the consequences of entering the mode are left implicit.

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?

One short, front-loaded sentence says exactly what the tool does without filler. Every word 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?

For a zero-parameter, single-action tool, the description is largely complete, and an output schema exists so return values need not be spelled out. It could be improved by noting the paired exit_game_mode or any prerequisites, but an agent can invoke it correctly from the current description alone.

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 tool has zero parameters and the schema already reflects that. With no parameters requiring explanation, the baseline is 4 and the description does not need to add parameter semantics.

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 combines a specific verb ('Enter') with a specific resource ('game mode (play-in-editor) in the O3DE Editor'), making the tool's action unmistakable. It also differentiates naturally from the sibling exit_game_mode by naming the opposite operation.

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 is given about when to invoke this tool versus sibling tools. It does not mention that this is the entry counterpart to exit_game_mode, nor does it state prerequisites such as a loaded level or active editor session.

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