app_clip_default_experience_localizations_update_instance

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

No annotations are provided, so the description carries the full burden, yet it only discloses that this is a PATCH and where to find the request body schema. It says nothing about side effects, permissions, whether changes are partial or full replacements, or the response shape for a mutation operation.

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?

It is short, but the path is duplicated verbatim inside parentheses with no added value, and the body-shape pointer arrives without any explanatory framing. Front-loading is poor since no plain-language purpose precedes the endpoint notation.

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 nested JSON:API body, no output schema, and no annotations, the description is largely a pointer to external OpenAPI docs. An agent cannot determine behavior, side effects, or expected outcome without leaving the definition.

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 100%, so both the id and body parameters are already documented in the schema, including the OpenAPI component reference. The description merely repeats the body-shape pointer, adding no meaning beyond structured data; baseline 3 applies.

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 only restates the HTTP method and path ("PATCH /v1/appClipDefaultExperienceLocalizations/{id}") rather than explaining in words what is being updated or what a default experience localization represents. The verb+resource is technically present but conveyed via URL syntax, which is tautological with the tool name.

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?

There is no guidance on when to use this tool versus the sibling create/delete/get variants, no prerequisites, and no mention of required permissions or workflow context. An agent gets nothing to route on.

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