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hetzner-mcp-server

by lazyants
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TypeScript
Remote

List Certificate Actions

hetzner_list_certificate_actions
Read-onlyIdempotent

List all actions for a specific certificate by ID, including issuance and renewal retries.

Instructions

List all actions performed on a specific certificate, such as issuance and renewal retries.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesCertificate ID
pageNoPage number
sortNoSort field, e.g. "id:asc" or "name:desc"; pass an array for multiple sort fields
statusNoFilter by action status: "running", "success", or "error"; pass an array for multiple statuses
per_pageNoResults per page (max 50)

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed6 schema fields changedv3.0.0
    • addedInput schema / properties / sort / anyOf
      Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+]
    • changedInput schema / properties / sort / description
      Previous value: -"Sort field, e.g. \"id:asc\" or \"name:desc\""New value: +"Sort field, e.g. \"id:asc\" or \"name:desc\"; pass an array for multiple sort fields"
    • removedInput schema / properties / sort / type
      Removed value: -"string"
    • addedInput schema / properties / status / anyOf
      Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+]
    • changedInput schema / properties / status / description
      Previous value: -"Filter by action status: comma-separated list of \"running\", \"success\", \"error\""New value: +"Filter by action status: \"running\", \"success\", or \"error\"; pass an array for multiple statuses"
    • removedInput schema / properties / status / type
      Removed value: -"string"
  2. First observedv2.2.0

TDQS

B3.2/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, and openWorldHint=true, so the safety profile is covered. The description only adds that the actions include issuance and renewal retries; it says nothing about pagination, ordering, or volume of results.

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?

A single well-formed sentence that front-loads the core purpose with no filler. It is appropriately sized, though it could carry slightly more routing or behavioral content without becoming bloated.

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?

For a paginated list tool whose annotations cover safety and whose schema documents all parameters, the description is minimally sufficient. It omits pagination behavior and result ordering, and there is no output schema, so an agent gets little beyond the structured fields.

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

Parameters3/5

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

Schema description coverage is 100%, so all five parameters (id, page, sort, status, per_page) are already documented in the schema. The description adds no syntax, format, or filtering detail beyond what the schema provides, so the baseline of 3 applies.

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

Purpose4/5

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

States a specific verb (list) and resource (actions on a specific certificate), and the examples 'issuance and renewal retries' clarify the action domain. It distinguishes the resource from sibling tools like hetzner_list_certificates and hetzner_get_certificate, though it does not explicitly name a sibling.

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?

The description never states when to use this tool versus alternatives, nor conditions or prerequisites. It does not point to related siblings such as hetzner_retry_certificate or hetzner_get_certificate, leaving usage entirely to inference from the name.

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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