cached_user_group_memberships_get_users_in_group

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

No annotations are provided, so the description carries the full burden. It discloses a permission requirement but does not mention that this is a cached read (despite the tool name including 'cached'), nor does it describe potential staleness, pagination, or return format beyond 'user IDs'. The behavioral footprint is minimal and leaves key operational details unstated.

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 two short sentences that convey the core purpose and a permission requirement with no wasted words. It is appropriately concise and front-loaded.

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 single-parameter read tool with no output schema, the description is minimally adequate. It states the operation and permission, but does not mention caching behavior (despite the name), return type details (e.g., array of integers), or any limits. Given the low complexity, this is acceptable but not comprehensive.

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 0%, so the description must explain the parameter. It only refers to 'a specific group' without explicitly mapping that to the groupId parameter or providing any additional context (e.g., that it is an integer identifier). The description adds little semantic value beyond what the parameter name suggests.

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 the operation: get all user IDs that are members of a specific group. It names the resource (user IDs) and the condition (membership in a group). It is distinguishable from sibling tools like get_groups_for_user by explicitly indicating the direction (users in a group).

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 the permission requirement ('Read' on 'Security'), which is useful for when the tool can be used. It implies that this is for listing members of a group, but does not explicitly contrast it with the inverse operation (get_groups_for_user). The context is clear enough for an agent to infer usage, but it lacks an explicit 'when not to use' clause.

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