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

With no annotations, the description carries the full burden and does well: it discloses the 0.5 energy cost, the shared-access exposure (anyone in the region can withdraw), and the irreversible loss of items in a crumbling storehouse. It omits auth/key requirements and whether a deposit can fail or be partially applied.

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?

Purpose is front-loaded in the opening clause, followed by two compact risk/cost facts. No filler, though the parenthetical about shared storage is slightly nested and could be a cleaner standalone sentence.

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 mutation tool with no annotations and no output schema, the description covers the key consequence (item loss) and cost but leaves open what a successful deposit returns, whether the storehouse must pre-exist, and permission/ownership requirements.

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 67%, with 'items' and 'api_key' already documented in the schema. The description adds nothing about structure_id (how to identify or obtain a valid storehouse) or the deposit quantity semantics, so it neither compensates for the gap nor goes beyond the schema.

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 ('put items') and resource ('storehouse in your region'), and distinguishes the shared-storage semantics that separate it from personal inventory actions. It doesn't explicitly name the complementary sibling (withdraw), but the scope is unambiguous.

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?

Usage is implied rather than directed: it hints at regional storehouse deposits and warns 'guard it socially' because anyone in the region can withdraw. No explicit when-to-use vs alternatives, and no named alternative tool (e.g., withdraw) for retrieving items.

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