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lazyants
by lazyants

Update DNS Zone RRSet Record Comments

hetzner_update_zone_rrset_records
Idempotent

Update comments on existing DNS records in an RRSet, matched by record value. Use empty string to clear comment.

Instructions

Update the comment on existing records in an RRSet (matched by value). The comment field is always sent — use an empty string to clear.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
id_or_nameYesZone ID or name
nameYesRRSet name
typeYesDNS record type (A, AAAA, CNAME, MX, NS, TXT, etc.)
recordsYesRecords to update
Behavior4/5

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

Adds detail beyond annotations: comment field always sent, empty string clears. Annotations already indicate idempotent, so description complements well.

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

Conciseness5/5

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

Two sentences, efficient. Critical detail about empty string placed second. No unnecessary words.

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

Completeness4/5

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

Covers core purpose and key behavior. Could mention it only updates comments, but sibling tools cover other operations. Given no output schema, sufficiently 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 covers all parameters. Description explains matching by value, adding context not in schema field descriptions.

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?

Description clearly states it updates comments on DNS zone RRSet records, matched by value. Distinguishes from siblings like add/remove/set records.

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

Usage Guidelines3/5

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

Implies usage for updating comments only, but lacks explicit guidance on when to use vs alternatives like add/remove/set RRSet records.

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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