sub_page_configs_update

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

Annotations already declare readOnlyHint=false and destructiveHint=false, so the safety profile is known. The description adds no behavioral context such as whether the update is partial or full, what happens to existing config, required permissions, or effects on subscribers.

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 single sentence is front-loaded and has no wasted words. However, it is under-specified for a tool with a required UUID and a free-form nested config object, so it is not appropriately sized given the tool's complexity.

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 mutation tool with a required UUID, an optional constrained name, and a nested config object, the description is far too sparse. Annotations cover the safety profile, but the description still omits parameter semantics and usage context, leaving significant gaps.

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 0% for all three parameters. The description only repeats 'config' without explaining the required UUID, the name constraints (pattern, maxLength, minLength), or the nested config object structure, so it fails to compensate for the undocumented schema.

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 states a specific verb and resource: 'Update subscription page config'. This is clear enough to identify the mutation action, though it does not differentiate from sibling update tools like subscription_settings_update or sub_page_configs_create beyond the verb.

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 provided on when to use this tool versus alternatives such as sub_page_configs_create, subscription_settings_update, or other config tools. There are no prerequisites, context, or exclusions stated.

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