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

Annotations already declare readOnlyHint, idempotentHint and non-destructive, so the safety profile is covered. The description adds the returned fields' composition, but since an output schema exists, that is largely redundant and it discloses no auth requirements, failures, or scoping behavior.

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 tight sentences, front-loaded with the content summary and ending with the actionable prerequisite hint. No filler, though the first clause is a fragment rather than a stated verb.

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?

With a full output schema and read-only annotations, the description only needs to frame the purpose and the ID prerequisite, both of which it does. The missing piece is differentiation from get_organization_overview, a plausible sibling collision.

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% for the single organizationId parameter. The description partially compensates by telling the caller where to obtain the ID (via list_projects), which is useful, but it never describes the ID's format or source semantics beyond that hint.

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 names the resource (organization) and enumerates exactly what is returned: profile, status, caller's role, and active member/project/pending-invitation counts. This is a clear read purpose, though it never states a verb and does not distinguish itself from the sibling get_organization_overview.

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?

It gives one concrete prerequisite workflow — 'Use list_projects first to find the organizationId' — which is genuinely actionable. It does not, however, say when to prefer this over the sibling get_organization_overview or list_members/list_projects, so routing guidance is only partial.

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