create_mobile_app_config

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

Annotations indicate it's a write operation (readOnlyHint=false) and not destructive (destructiveHint=false), but the description adds nothing beyond stating it creates a config. No mention of side effects, required permissions, or what happens if a config with the same name exists.

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 extremely short (two sentences including '[Write]' tag), which is concise but lacks structure. It could benefit from a brief note about usage or return values without becoming verbose.

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 has no output schema, so the description should indicate what the tool returns (e.g., the created config ID or success message). It also doesn't clarify that the 'description' parameter is optional or provide any context about mobile app configurations.

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 67% with two parameters described ('name' and 'branding_color'). The description adds no extra meaning to parameters, but the schema already provides basic descriptions. Baseline of 3 is appropriate for medium coverage.

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 states 'Create a new mobile app configuration', which is a specific verb+resource. The name distinguishes it from sibling tools like create_mobile_applet or create_mobile_layout, so purpose is 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 provides no guidance on when to use this tool versus alternatives, nor any prerequisites or exclusions. It simply states the action without context.

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