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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false and openWorldHint=false, so the safety profile is covered. The description adds only the word "team's," which implies workspace/team scoping but is too vague to pin down the access boundary. It says nothing about ordering, empty results, or what a segment contains.

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?

There is no filler, but this is under-specification rather than conciseness: a four-word fragment with no verb and no front-loaded statement of what the tool returns. Brevity here comes at the cost of usability.

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 one-parameter read tool the bar is low, and rich annotations and full schema coverage help, but the description still omits anything an agent could not guess: that it returns the saved segments for the given website, their id/name fields, and behavior when none exist. With no output schema, some of that burden should have been carried 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% for the single `website` parameter, which even points to list_websites for resolving ids. The description contributes no additional meaning about the parameter, so the baseline of 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 is a noun phrase, "The team's saved filters," which glosses the term "segments" but never states an action verb such as list or return. It hints that the resource is a collection scoped to a team, but an agent gets no explicit signal that calling this yields the segment list rather than metadata about segments.

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 when-to-use guidance, no prerequisites, and no mention of when another tool should be preferred. Siblings like list_funnels and list_goals are structurally identical in shape, and the description does nothing to help an agent choose among them.

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