domain_transfer

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

With no annotations provided, the description carries the full burden of disclosure. It explicitly warns 'WRITE, COSTS MONEY', states the need for an auth code from the current registrar, and explains TLD-specific term effects for gTLDs versus .de/.eu. It does not cover every edge behavior, but the most important financial and side-effect consequences are disclosed.

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 description is highly compact and front-loaded with the most critical warning ('WRITE, COSTS MONEY'), followed by the purpose, prerequisites, and TLD effects. Every sentence contributes meaningful information and there is no filler or repetition of schema details.

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?

The description covers the essential prerequisites, financial impact, and TLD-specific renewal behavior, which is strong for a mutation tool. But it does not mention the testing/validation mode, default contact handle behavior, or expected outcome of the call, and there is no output schema to fill that gap. For a 9-parameter money-spending operation, some of that context would improve completeness.

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%, so the schema already documents most parameters. The description adds meaning by explaining that the authCode comes from the current registrar and that four contact handles may be identical. However, it somewhat oversimplifies the schema by implying four handles are required when only registrant is required and tech/admin/billing default to registrant.

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 names a specific verb and resource: 'start an inbound transfer of a domain to INWX'. It immediately distinguishes itself from sibling tools like domain_renew, domain_update, and domain_check by clearly stating the operation is an inbound domain transfer.

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 description gives useful context by listing the prerequisites (auth code, contact handles, nameservers) and notes the financial impact, which tells an agent this is not a free or side-effect-free operation. However, it does not explicitly compare against alternatives like domain_renew or domain_update or state when not to use this tool, so usage guidance remains implied rather than explicit.

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