Utility Matrix

Compute Rightsizing Calculator

rightsizing-calculator

Read-onlyIdempotent

Use when a user asks about instance rightsizing or overprovisioned compute.

Input Schema

TableJSON Schema

Name	Required	Description
`hourly_cost`	No	hourly cost used by the calculation; monetary values are in USD unless stated otherwise.
`p99_cpu_pct`	Yes	p99 cpu expressed as a percentage.
`current_vcpu`	Yes	current vcpu used by this deterministic tool.
`instance_count`	No	instance count used by this deterministic tool.
`p99_memory_pct`	Yes	p99 memory expressed as a percentage.
`current_memory_gb`	Yes	current memory in gigabytes.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`next_step`	Yes
`do_savings`	Yes
`needed_vcpu`	Yes
`output_tier`	Yes
`monthly_cost`	Yes
`signal_value`	Yes
`next_step_url`	Yes
`why_follow_up`	Yes
`annual_savings`	Yes
`instance_count`	Yes
`interpretation`	Yes
`savings_factor`	Yes
`needed_memory_gb`	Yes
`affiliate_context`	No
`computation_basis`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed4 schema fields changedOct 1, 2026
- addedInput schema / properties / current_memory_gb / exclusiveMinimum
```
Added value: +0
```
- removedInput schema / properties / current_memory_gb / minimum
```
Removed value: -0
```
- addedInput schema / properties / current_vcpu / exclusiveMinimum
```
Added value: +0
```
- removedInput schema / properties / current_vcpu / minimum
```
Removed value: -0
```
Changed12 schema fields changedSep 28, 2026
- addedInput schema / properties / current_memory_gb / description
```
Added value: +"current memory in gigabytes."
```
- addedInput schema / properties / current_memory_gb / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / current_vcpu / description
```
Added value: +"current vcpu used by this deterministic tool."
```
- addedInput schema / properties / current_vcpu / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / hourly_cost / description
```
Added value: +"hourly cost used by the calculation; monetary values are in USD unless stated otherwise."
```
- addedInput schema / properties / hourly_cost / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / instance_count / description
```
Added value: +"instance count used by this deterministic tool."
```
- addedInput schema / properties / instance_count / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / p99_cpu_pct / description
```
Added value: +"p99 cpu expressed as a percentage."
```
- addedInput schema / properties / p99_cpu_pct / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / p99_memory_pct / description
```
Added value: +"p99 memory expressed as a percentage."
```
- addedInput schema / properties / p99_memory_pct / examples
```
Added value: +[
+  1
+]
```

Changed1 schema field changedJul 15, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "additionalProperties": false,
+  "properties": {
+    "affiliate_context": {
+      "additionalProperties": false,
+      "properties": {
+        "affiliate": {
+          "type": "string"
+        },
+        "cta_label": {
+          "type": "string"
+        },
+        "disclosure": {
+          "type": "string"
+        },
+        "framing": {
+          "type": "string"
+        },
+        "posture": {
+          "enum": [
+            "secondary"
+          ],
+          "type": "string"
+        },
+        "slot_id": {
+          "type": "string"
+        },
+        "url": {
+          "type": "string"
+        },
+        "variant": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "affiliate",
+        "cta_label",
+        "disclosure",
+        "framing",
+        "posture",
+        "slot_id",
+        "url",
+        "variant"
+      ],
+      "type": "object"
+    },
+    "annual_savings": {
+      "type": "number"
+    },
+    "computation_basis": {
+      "type": "string"
+    },
+    "do_savings": {
+      "type": "number"
+    },
+    "instance_count": {
+      "type": "number"
+    },
+    "interpretation": {
+      "type": "string"
+    },
+    "monthly_cost": {
+      "type": "number"
+    },
+    "needed_memory_gb": {
+      "type": "number"
+    },
+    "needed_vcpu": {
+      "type": "number"
+    },
+    "next_step": {
+      "type": "string"
+    },
+    "next_step_url": {
+      "type": "string"
+    },
+    "output_tier": {
+      "type": "string"
+    },
+    "savings_factor": {
+      "type": "number"
+    },
+    "signal_value": {
+      "type": "number"
+    },
+    "why_follow_up": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "annual_savings",
+    "computation_basis",
+    "do_savings",
+    "instance_count",
+    "interpretation",
+    "monthly_cost",
+    "needed_memory_gb",
+    "needed_vcpu",
+    "next_step",
+    "next_step_url",
+    "output_tier",
+    "savings_factor",
+    "signal_value",
+    "why_follow_up"
+  ],
+  "type": "object"
+}

Changed1 schema field changedJul 13, 2026
- addedInput schema / additionalProperties
```
Added value: +false
```
First observedJun 29, 2026

TDQS

Score is being calculated.

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