panelica_mailing_lists_get_v1_mailing_lists

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

Annotations already provide readOnlyHint, idempotentHint, and destructiveHint, and the description reinforces 'Read-only.' It adds a useful behavioral detail beyond annotations: the required scope 'email:read,' which helps an agent know the authorization prerequisite.

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 compact and front-loaded with the action 'List mailing lists.' The HTTP method, category, scope, and read-only note are useful, though 'Category: Mailing Lists' is somewhat redundant with the resource name.

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 simple zero-parameter list operation, the description provides enough context: the HTTP method, required scope, and read-only nature. It does not describe the response shape, but 'list' semantics plus the simple schema make the picture reasonably complete.

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 has zero parameters and an empty schema, so there is no parameter meaning for the description to convey. Per the baseline for zero-parameter tools, this is appropriate.

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?

'List mailing lists' names a specific verb and resource, clearly indicating a read-oriented collection operation. It is distinguishable from the sibling get-by-id operation by the 'List' wording, though it does not explicitly contrast itself with that sibling.

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 gives no guidance on when to use this tool versus the sibling detail endpoint or the create/delete mailing-list tools. It only states what the operation does, not when it is the appropriate choice.

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