Mellow Mountain Radio

Wildfire Perimeters

get_wildfire_perimeters

Read-onlyIdempotent

Returns active wildfire incidents within ~150 miles of Sedona from the National Interagency Fire Center (NIFC). Especially critical during Arizona fire season (April–July). Returns name, acreage, containment, and distance from Sedona.

Input Schema

TableJSON Schema

Name	Required	Description	Default
No arguments

Output Schema

TableJSON Schema

Name	Required	Description	Default
`fires`	Yes
`source`	Yes
`updated`	Yes
`search_area`	Yes
`active_fire_count`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedJul 25, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "active_fire_count": {
+      "type": "number"
+    },
+    "fires": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "acres": {
+            "type": "number"
+          },
+          "behavior": {
+            "type": "string"
+          },
+          "contained_pct": {
+            "type": "number"
+          },
+          "discovered": {
+            "type": "string"
+          },
+          "dist_mi_from_sedona": {
+            "type": "number"
+          },
+          "lat": {
+            "type": "number"
+          },
+          "lon": {
+            "type": "number"
+          },
+          "name": {
+            "type": "string"
+          },
+          "state": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "search_area": {
+      "type": "string"
+    },
+    "source": {
+      "type": "string"
+    },
+    "updated": {
+      "type": [
+        "string",
+        "null"
+      ]
+    }
+  },
+  "required": [
+    "updated",
+    "search_area",
+    "active_fire_count",
+    "fires",
+    "source"
+  ],
+  "type": "object"
+}

AddedJul 24, 2026

TDQS

A4.5/5.0

Behavior4/5

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

Annotations already declare readOnlyHint, openWorldHint, idempotentHint, destructiveHint. Description adds valuable context: data source (NIFC), location constraint (~150 miles of Sedona), and returned fields (name, acreage, containment, distance). This enhances transparency without contradicting annotations.

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, front-loaded with purpose. No unnecessary words. Efficient and clear.

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

Completeness5/5

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

Tool has no parameters, output schema exists (not shown), and description covers source, location scope, seasonal relevance, and returned fields. Complete for this simple tool.

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?

No parameters exist (schema coverage 100%). Baseline for 0 parameters is 4; description does not need to add param info and covers purpose effectively.

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 'Returns active wildfire incidents within ~150 miles of Sedona from the National Interagency Fire Center (NIFC)'. Verb (returns), resource (wildfire incidents), and scope (location and source) are explicit, distinguishing it from sibling tools like 'get_fire_restrictions'.

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

Usage Guidelines4/5

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

Description notes 'Especially critical during Arizona fire season (April–July)' indicating when to use it. It does not explicitly state when not to use or provide alternatives, but the context is clear and useful.

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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