Add/update DNS records (A, CNAME, MX, TXT). Use to point domain to Vercel, Netlify, GitHub Pages etc. WHEN TO USE: user wants to connect domain to hosting.
| Name | Required | Description | Default |
|---|---|---|---|
| domain | Yes | A domain previously registered via register_new_domain. | |
| records | Yes | One or more DNS records to add or update. Existing records with the same type+name combination are replaced. |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden for disclosing behavior. It states 'Add/update' but does not warn that existing DNS records may be overwritten, that propagation can be delayed, or that modifying DNS can have service-affecting consequences. The replacement behavior is only mentioned in the schema, not the description.
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 short, front-loaded with the action and resource, and uses a distinct 'WHEN TO USE' label. Every sentence adds value without unnecessary fluff.
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 tool is moderately complex with nested records, and the schema is rich, but the description does not mention what the tool returns on success, whether changes are immediate, or how propagation is handled. The description is adequate but lacks some contextual depth for a mutation tool with no output schema.
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?
The input schema has 100% description coverage, providing detailed explanations for domain and records including record types, TTL, and priority. The description adds minimal parameter-specific semantics beyond the schema, mostly repeating the record types already covered.
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 explicitly states 'Add/update DNS records' and names specific record types (A, CNAME, MX, TXT), making it clear this tool manipulates DNS records. The use case 'point domain to Vercel, Netlify, GitHub Pages' distinguishes it from sibling tools like configure_domain_email.
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 clearly states 'WHEN TO USE: user wants to connect domain to hosting,' providing a concrete trigger condition. It does not explicitly mention when not to use it or alternatives, but the context is clear enough from the sibling tool names.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Each tool targets a distinct domain management action: availability checking, registration, suggestions, transfer, DNS config, email config, and status lookup. There is no meaningful overlap, even between check_domain_availability and suggest_available_domains, as the latter focuses on generating alternatives.
All tools follow a consistent verb_noun naming pattern (check_, configure_, get_, register_, suggest_, transfer_). The two configure_ tools are clearly grouped by purpose and the rest use specific verbs, making the pattern predictable and readable.
With 7 tools, the server is well-scoped for a domain management service. Each tool covers a distinct phase of the domain lifecycle without being either too sparse or overly granular.
The toolset covers the main domain lifecycle: finding, registering, transferring, configuring DNS/email, and monitoring status. Minor gaps exist, such as missing explicit renewal or deletion tools, but agents can work around these for typical scenarios.