pennylane_update_supplier_invoice_payment_status

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

Annotations already disclose readOnlyHint=false, idempotentHint=true, destructiveHint=false, and openWorldHint=true, so the safety profile is covered. The description adds nothing beyond the name – it does not say whether the change is reversible, whether it affects accounting entries or balances, or how the invoice in an already-paid state is handled.

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 sentence with no wasted words, and the resource being acted on is front-loaded. It is efficient, though the brevity is partly what leaves the other dimensions thin.

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?

An output schema exists and annotations carry the safety profile, so return values and permissions need not be explained. Still, for a mutation tool, the description is minimally viable and omits any routing against the general supplier-invoice update sibling.

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 100% and the payment_status field already enumerates 'unpaid', 'paid', 'partially_paid' in the schema. The description adds no parameter-level meaning, so the baseline 3 applies.

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+resource: updating the payment status of a supplier invoice. It is unambiguous about which object and which field are affected. However, it does not distinguish this from the sibling pennylane_update_supplier_invoice, which could plausibly touch the same status.

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 guidance, no prerequisites, and no mention of the alternative general-purpose update tool. An agent must guess whether to use this dedicated endpoint or pennylane_update_supplier_invoice for the same change.

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