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

Annotations already declare readOnlyHint=true, destructiveHint=false and openWorldHint=true, so safety is covered. The description adds genuine behavioral context beyond the annotations: the result set includes both practitioners AND admin users (broader scope than the name implies), the exact fields returned, and the underlying endpoint GET /company/administration/members.

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?

Two sentences plus endpoint: the purpose and returned fields come first, the downstream usage hint second, and the raw endpoint last. No filler or redundant restatement of the title.

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?

There is no output schema and no input schema, so the description carries the full burden and largely meets it by enumerating the returned fields and clarifying that admin users are included. It omits pagination/ordering behavior for what is presumably a full list, which is a minor remaining gap.

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?

The tool takes zero parameters, so the baseline for this dimension is 4 by rule. The description correctly implies a no-argument full-list call and instead directs the agent how to use the returned ids, adding value where there are no inputs to document.

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?

States a specific verb (List) and resource (practitioners and admin users of the practice), and enumerates the returned fields (id, name, role flags, activation status). It is clearly distinguishable from siblings like list_clients or list_invoices by resource, though it never explicitly names an alternative.

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 line 'Use the ids to filter sessions and invoices' gives a downstream workflow hint, which implies why an agent would call this tool. However, there is no explicit when-to-use vs when-not, no mention of alternatives such as the singular get_account, and no prerequisites for the call.

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