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

Annotations already declare readOnlyHint=true and openWorldHint=false, so the safety profile is covered. The description adds one genuinely useful behavioral fact beyond that: taken-down (removed) listings are included in results, which an agent would not otherwise expect. It says nothing about ordering, volume, or shape of results, so the addition stops at that single clause.

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?

A single short, front-loaded sentence with no filler. The fragment lacks a verb, which costs a little clarity, but nothing is redundant.

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 zero-parameter read tool with no output schema, the description covers the scope (your workspaces) and the taken-down inclusion, which is adequate minimum. It is incomplete on the one thing that matters most here: how it differs from list_projects, which the sibling set shows is a real ambiguity.

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 there is no parameter meaning to document and the baseline of 4 applies. The description does not misrepresent or invent inputs.

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?

"Listings in your workspaces" conveys the resource (workspace listings) but uses no verb and leaves ambiguous whether it returns projects or listings. It never distinguishes itself from the sibling list_projects, so an agent cannot tell which list tool to pick from the description alone.

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 instruction and no comparison against list_projects or get_project. The only usable signal is implicit: use it for your own workspaces rather than others, and it includes taken-down entries.

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