game_navigation_3d

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

There are no annotations, so the description must carry the full behavioral burden. It states high-level actions but does not disclose side effects, whether baking is expensive or blocking, what happens to existing nodes, or whether required nodes must already exist. This is too shallow for a tool that can create, modify, and bake.

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 compact and front-loaded with the core actions and resource. There is no fluff or redundancy. It is somewhat terse, but it earns its place and is easy to parse.

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 7-parameter tool with no output schema and no annotations, the description is too incomplete. It does not explain return values, confirmation of success, action-specific parameter requirements, or important side effects like baking cost or node creation behavior. The schema covers parameters, but not operational context.

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 all seven parameters already have individual documentation. The description adds no additional parameter-level meaning, such as how action relates to parentPath or nodePath, so it stays at the baseline score.

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 clearly identifies the resource (NavigationRegion3D) and the supported operations (create, configure, bake). It is specific enough to distinguish this from most sibling tools, though it does not explicitly contrast with related navigation tools like game_navigate_path.

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 implies usage for creating/configuring NavigationRegion3D nodes and baking navigation mesh, but it gives no explicit when-to-use guidance, prerequisites, or alternatives. The action parameter adds some context, but the description itself does not explain when this tool should be chosen over siblings.

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