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

The description discloses behavior beyond the annotations: the call may either complete immediately or return a pending_action_id that requires the factory rep's own approval, which is important execution-path information. It doesn't say what happens to the order after decline or whether it is reversible, but the approval flow disclosure is the key operational fact.

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 English text is front-loaded and efficient, but the full Chinese restatement duplicates every sentence without adding information, roughly doubling length for the same payload. The 'requires the factory rep's own approval' clause is also repeated at the end of both halves.

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?

Return behavior is adequately covered despite no output schema (completion vs pending_action_id), and the approval requirement is stated. However, a mutation tool with 0% schema coverage and no documented parameter meaning leaves the agent guessing about request_id and reason_zh, which is a real gap.

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 0%, so the description must carry the burden, and it only lists the three parameter names without explaining them. It doesn't clarify that reason_zh should be Chinese text, nor what request_id is for (presumably idempotency/deduplication), nor what identifies the order pack.

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 states a specific verb and resource ('Decline a factory order before deposit') and scopes the operation by timing. It does not explicitly distinguish itself from the closely named sibling cancel_order_pack, leaving some ambiguity, but the purpose is unambiguous on its own.

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 'before deposit' precondition is useful context, but the description never says when to use this instead of cancel_order_pack or decide_pending_action, which are the obvious alternatives among the siblings. Usage is implied rather than clarified.

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