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check_custom_domain

Check availability of a subdomain prefix for the demox.site domain, verifying if it is free or already bound to a specified website.

Instructions

检查自定义子域名前缀是否可用,域名格式为 .demox.site

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
subdomainYes要检查的子域名前缀,例如 my-demo
websiteIdNo当前网站 ID(可选)。传入后,如果该前缀已绑定到自己,也会视为可用
Behavior2/5

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

No annotations provided, so description must carry full behavioral disclosure. It only states the check action and domain format, omitting side effects, auth needs, or that it's read-only.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence is efficient and front-loaded with purpose. No waste, but could add slight usage guidance without verbosity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Minimal for a simple check tool, but missing output format description (e.g., returns boolean). Sibling tools exist, but no guidance on how this fits into workflow. Adequate but not complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but description adds value: explains domain format for subdomain parameter and clarifies that websiteId, if matching a bound prefix, makes it available. This goes beyond raw schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool checks availability of a custom subdomain prefix, specifying the domain format. It distinguishes from siblings like set_custom_domain and clear_custom_domain.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use this tool or alternatives. The description implies a checking purpose but lacks context like 'use before set_custom_domain' or scenarios where it's not needed.

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

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