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

With no annotations, the description does real work: it declares the operation is free, states the verification paths, discloses that it grants an edit capability, and preempts a likely misconception by stating that claiming buys checking speed 'never score'. It omits what happens if verification fails, whether a claim can be revoked or transferred, and what the response returns.

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 tightly written sentences with no filler; cost and effect are front-loaded so the most decision-relevant facts ('Free', speed-not-score) land first.

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 four-parameter mutation with no annotations and no output schema, the description covers purpose, cost, and effect but leaves the verification mechanics, failure behavior, and three of four parameter meanings unexplained. Adequate to decide whether to call it, thin for actually calling it 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 description coverage is 0% across four parameters. The parenthetical 'DNS-TXT / agent-card / email proof' only restates the `proof_method` enum already present in the schema, and 'operator control' weakly hints at `operator`. The `id` and especially `contact` (format, purpose, what kind of contact) remain undocumented in both schema and description.

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?

Names a specific verb and resource ('Assert operator control of a record') and states the concrete effects: editing rights plus queue prioritization. The proof methods in parentheses sharpen what 'claim' means operationally. It doesn't explicitly contrast with the closely related sibling `fast_track`, which also accelerates checking, so it stops short of a 5.

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?

An agent can infer the situation to use this (a record exists and the operator wants edit access or faster probing), which is more than nothing. However there is no explicit when-not guidance and no reference to alternatives such as `fast_track`, `get_agent_record`, or `request_removal`, leaving selection between overlapping siblings to inference.

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