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smartscale

by io.github.jdhart81
OverviewDiscussionsAdmin

health

Read-onlyIdempotent

Return SmartScale health status.

Input Schema

NameRequiredDescriptionDefault

No arguments

Output Schema

NameRequiredDescriptionDefault
dataNo
errorNo
fieldNo
resultNo
statusYes
messageNo
timestampNo
constraintNo
error_typeNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed12 schema fields changed
    • addedOutput schema / properties / constraint
      Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Constraint"
+}
    • addedOutput schema / properties / data
      Added value: +{
+  "default": null,
+  "title": "Data"
+}
    • addedOutput schema / properties / error
      Added value: +{
+  "default": null,
+  "title": "Error"
+}
    • addedOutput schema / properties / error_type
      Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Error Type"
+}
    • addedOutput schema / properties / field
      Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Field"
+}
    • addedOutput schema / properties / message
      Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Message"
+}
    • addedOutput schema / properties / result / default
      Added value: +null
    • removedOutput schema / properties / result / type
      Removed value: -"string"
    • addedOutput schema / properties / status
      Added value: +{
+  "title": "Status",
+  "type": "string"
+}
    • addedOutput schema / properties / timestamp
      Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Timestamp"
+}
    • changedOutput schema / required
      Previous value: -[
-  "result"
-]New value: +[
+  "status"
+]
    • changedOutput schema / title
      Previous value: -"healthOutput"New value: +"FleetToolResult"
  2. First observed

TDQS

B3.3/5.0
Behavior2/5

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

Annotations already declare readOnlyHint, idempotentHint, non-destructive, and closed-world behavior, so the safety profile is known. The description adds only the basic purpose and no further behavioral context, such as what health statuses mean or whether the call has side effects or latency implications.

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?

The description is a single concise sentence that front-loads the verb and resource. It contains no redundant or wasted wording.

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?

For a simple zero-parameter health-check tool with an output schema and full annotations, the description is nearly complete. It could clarify what 'health status' entails, but the output schema likely covers return values.

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?

The tool has zero parameters, so there are no parameter semantics to document. The baseline score for a zero-parameter tool is 4, and the description does not need to compensate for any schema gaps.

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?

The description uses a specific verb ('Return') and resource ('SmartScale health status'), making the tool's purpose clear. It does not explicitly distinguish itself from siblings like 'describe', but the health-check framing is sufficiently distinct.

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 gives no guidance on when to use this tool versus alternatives such as 'describe' or the scale/credit-card tools. A health check is implied, but no explicit context, exclusions, or prerequisites are provided.

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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