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

Annotations already declare destructiveHint=true, idempotentHint=true, and openWorldHint=true, so the description does not need to re-state safety metadata. It adds useful behavioral nuance, especially that a booked date stops only that home, that reopen requires rowId+claimId from get_calendar, and that retry targets a date that did not reach the rental tool.

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 definition is a single front-loaded sentence that enumerates the three modes without filler. It is dense but efficient; a slightly clearer separation of the modes would improve scanability without adding much length.

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 complex, destructive, multi-mode tool with nested objects and no output schema, the description covers the major decision paths and references the sibling tools that supply required identifiers. It leaves some parameter-source gaps around close.rowIds, but overall provides enough context for an agent to invoke the tool correctly.

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 60%, with nested objects and several undocumented fields such as close.rowIds, close.note, reopen.rowId, and reopen.claimId. The description adds meaning by sourcing reopen and retry inputs from get_calendar, but it does not explain where close.rowIds come from or clarify the mode-selection relationship to the close/reopen/retryPushId properties.

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 clearly frames set_dates as a multi-action tool with three explicit modes: close dates on homes, reopen owner-closed dates, and retry a failed rental-tool push. It names the specific resource and distinguishes the actions well, though the domain terms 'homes' and 'rental tool' remain somewhat specialized.

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?

It gives explicit when-to-use guidance for each mode and routes the agent to get_calendar for reopen/retry identifiers and update_order unbook when an order's dates need to be freed. It lacks a formal when-not section, but the alternatives are clear enough for selection.

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