Verify domain

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

The description says 'check', which implies a read-only operation, but annotations indicate readOnlyHint=false, meaning it may have side effects. This is a contradiction. The description does not add context about any non-read behavior, making it misleading.

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 a single sentence with no unnecessary words. It is concise and front-loaded, stating the purpose immediately.

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 tool with no output schema, the description should hint at what the response contains (e.g., a boolean or status). It does not mention any return value or how to interpret the result. This leaves the agent guessing about the outcome of the check.

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 100%, so the schema already fully documents the single parameter 'domain'. The description does not add any additional meaning (e.g., what format the domain ID should be or how to obtain it). Baseline 3 is appropriate.

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 clearly states the tool's action: 'Check whether the DNS records for a given domain have been properly set up.' This is a specific verb-resource pair ('check' + 'domain DNS records') that distinguishes it from sibling domain tools like create, update, delete, or list.

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?

Usage is implied: after setting up DNS records, one would use this tool to verify. However, there is no explicit guidance on when to use this tool versus alternatives (e.g., get_domain, which might show current state but not DNS check). No when-not-to-use or alternative tool names are mentioned.

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