Post Instances Transfers

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

Annotations already say readOnly=false, destructive=false, openWorld=true, idempotent=false, and the description adds nothing beyond them. Critically, it never mentions that this moves money, what prerequisites or approvals apply, or that the schema exposes an Idempotency-Key for safe retries — context an agent needs for a non-idempotent financial mutation.

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?

Two words are technically waste-free, but this is under-specification rather than conciseness — there is nothing front-loaded because there is nothing substantive to front-load.

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?

A nested-body, money-moving POST with no output schema and only 33% parameter documentation requires far more than "Create Transfer"; an agent cannot tell what the body must contain, what happens on success, or what errors to expect.

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 only 33% and the two required parameters (instance_id, requestBody.transfer_quote_id) have no descriptions in either the schema or the description. The only documented parameter, Idempotency-Key, is explained entirely inside the schema, so the description compensates for none of the gap.

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?

"Create Transfer" restates the tool name and title almost verbatim; it adds no scope, no resource qualifier (transfer of what, from where), and nothing that distinguishes it from siblings like PostV1InstancesTransferQuotes or GetV1InstancesTransfers.

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 guidance on when to create a transfer, what must precede it (a transfer quote), or how it differs from the quote/payout/payin tools listed among the siblings.

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