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

Annotations already cover the mutation/idempotency profile (readOnlyHint=false, idempotentHint=true, destructiveHint=false). The description adds genuine context beyond them: the escalation-path reference-by-id means no cascading changes, the directory-managed refusal, and the personal-API-key auth requirement.

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?

Four short sentences, purpose front-loaded, and each subsequent sentence adds a distinct fact (no side effects, scope refusal, auth). Nothing is redundant or padded.

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 two-parameter rename mutation with full schema coverage and rich annotations, the description covers purpose, side effects, restrictions, and auth. The only minor gap is that no return shape is described, though that is a low-stakes omission here.

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 100%, so both team_id and name are already documented in the schema (including the 'unique among live teams' constraint). The description adds no parameter-level detail, so the 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?

States a specific verb and resource ('Rename a team') that an agent can act on immediately. It does not, however, differentiate itself from the sibling update_team or create_team, so the sibling-routing aspect of a 5 is missing.

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?

Gives a clear exclusion ('Refused for a team your directory manages') and a prerequisite ('Requires a personal API key'), which is real when/when-not guidance. It stops short of naming an alternative tool for the cases it refuses.

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