Utility Matrix

Cloud Waste Calculator

cloud-waste-calculator

Read-onlyIdempotent

Use when a user asks about cloud waste, idle resources, or unattached storage. Given monthly cloud bill and idle/oversized percentages, returns waste estimate and tier.

Input Schema

TableJSON Schema

Name	Required	Description
`idle_pct`	No	idle expressed as a percentage.
`oversized_pct`	No	oversized expressed as a percentage.
`monthly_cloud_bill`	Yes	monthly cloud bill used by this deterministic tool.
`unattached_volumes_count`	No	unattached volumes count used by this deterministic tool.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`next_step`	Yes
`waste_pct`	Yes
`annualized`	Yes
`do_savings`	Yes
`idle_waste`	Yes
`output_tier`	Yes
`monthly_cost`	Yes
`signal_value`	Yes
`next_step_url`	Yes
`why_follow_up`	Yes
`interpretation`	Yes
`oversized_waste`	Yes
`unattached_cost`	Yes
`affiliate_context`	No
`computation_basis`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed8 schema fields changedSep 28, 2026
- addedInput schema / properties / idle_pct / description
```
Added value: +"idle expressed as a percentage."
```
- addedInput schema / properties / idle_pct / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / monthly_cloud_bill / description
```
Added value: +"monthly cloud bill used by this deterministic tool."
```
- addedInput schema / properties / monthly_cloud_bill / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / oversized_pct / description
```
Added value: +"oversized expressed as a percentage."
```
- addedInput schema / properties / oversized_pct / examples
```
Added value: +[
+  1
+]
```
- addedInput schema / properties / unattached_volumes_count / description
```
Added value: +"unattached volumes count used by this deterministic tool."
```
- addedInput schema / properties / unattached_volumes_count / 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"
+    },
+    "annualized": {
+      "type": "number"
+    },
+    "computation_basis": {
+      "type": "string"
+    },
+    "do_savings": {
+      "type": "number"
+    },
+    "idle_waste": {
+      "type": "number"
+    },
+    "interpretation": {
+      "type": "string"
+    },
+    "monthly_cost": {
+      "type": "number"
+    },
+    "next_step": {
+      "type": "string"
+    },
+    "next_step_url": {
+      "type": "string"
+    },
+    "output_tier": {
+      "type": "string"
+    },
+    "oversized_waste": {
+      "type": "number"
+    },
+    "signal_value": {
+      "type": "number"
+    },
+    "unattached_cost": {
+      "type": "number"
+    },
+    "waste_pct": {
+      "type": "number"
+    },
+    "why_follow_up": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "annualized",
+    "computation_basis",
+    "do_savings",
+    "idle_waste",
+    "interpretation",
+    "monthly_cost",
+    "next_step",
+    "next_step_url",
+    "output_tier",
+    "oversized_waste",
+    "signal_value",
+    "unattached_cost",
+    "waste_pct",
+    "why_follow_up"
+  ],
+  "type": "object"
+}

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

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