AssetLab

Update infrastructure zone

update_infrastructure_zone

DestructiveIdempotent

Update an infrastructure zone by ID. Pass boundary as a GeoJSON Polygon or MultiPolygon to replace the geometry. Requires infrastructure_zones:write scope.

Input Schema

Name	Required	Description
`id`	Yes	Zone ID
`code`	No	Optional short code
`kind`	No	Zone kind
`name`	No	Zone name
`notes`	No	Free-form notes
`boundary`	No	GeoJSON Polygon or MultiPolygon (EPSG:4326). Each ring is closed; coordinates are [lon, lat]. Use MultiPolygon for a boundary in separate pieces - an area split by a rail corridor, or one containing an island.
`network_id`	No	Infrastructure network ID

Schema Changelog

Changes observed during successful MCP inspections.

Changed5 schema fields changedOct 7, 2026

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

removedInput schema / additionalProperties
```
Removed value: -false
```

changedInput schema / properties / boundary / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "coordinates": {
-        "items": {
-          "items": {
-            "items": [
-              {
-                "type": "number"
-              },
-              {
-                "type": "number"
-              }
-            ],
-            "maxItems": 2,
-            "minItems": 2,
-            "type": "array"
-          },
-          "type": "array"
-        },
-        "type": "array"
-      },
-      "type": {
-        "const": "Polygon",
-        "type": "string"
-      }
-    },
-    "required": [
-      "type",
-      "coordinates"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "coordinates": {
-        "items": {
-          "items": {
-            "items": {
-              "items": [
-                {
-                  "type": "number"
-                },
-                {
-                  "type": "number"
-                }
-              ],
-              "maxItems": 2,
-              "minItems": 2,
-              "type": "array"
-            },
-            "type": "array"
-          },
-          "type": "array"
-        },
-        "type": "array"
-      },
-      "type": {
-        "const": "MultiPolygon",
-        "type": "string"
-      }
-    },
-    "required": [
-      "type",
-      "coordinates"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "properties": {
+      "coordinates": {
+        "items": {
+          "items": {
+            "items": false,
+            "maxItems": 2,
+            "minItems": 2,
+            "prefixItems": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "number"
+              }
+            ],
+            "type": "array"
+          },
+          "type": "array"
+        },
+        "type": "array"
+      },
+      "type": {
+        "const": "Polygon",
+        "type": "string"
+      }
+    },
+    "required": [
+      "type",
+      "coordinates"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "coordinates": {
+        "items": {
+          "items": {
+            "items": {
+              "items": false,
+              "maxItems": 2,
+              "minItems": 2,
+              "prefixItems": [
+                {
+                  "type": "number"
+                },
+                {
+                  "type": "number"
+                }
+              ],
+              "type": "array"
+            },
+            "type": "array"
+          },
+          "type": "array"
+        },
+        "type": "array"
+      },
+      "type": {
+        "const": "MultiPolygon",
+        "type": "string"
+      }
+    },
+    "required": [
+      "type",
+      "coordinates"
+    ],
+    "type": "object"
+  }
+]

addedInput schema / properties / id / pattern

Added value: +"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$"

addedInput schema / properties / network_id / pattern

Added value: +"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$"

Changed5 schema fields changedOct 7, 2026

changedInput schema / $schema

Previous value: -"https://json-schema.org/draft/2020-12/schema"New value: +"http://json-schema.org/draft-07/schema#"

addedInput schema / additionalProperties
```
Added value: +false
```

changedInput schema / properties / boundary / anyOf

Previous value: -[
-  {
-    "properties": {
-      "coordinates": {
-        "items": {
-          "items": {
-            "items": false,
-            "maxItems": 2,
-            "minItems": 2,
-            "prefixItems": [
-              {
-                "type": "number"
-              },
-              {
-                "type": "number"
-              }
-            ],
-            "type": "array"
-          },
-          "type": "array"
-        },
-        "type": "array"
-      },
-      "type": {
-        "const": "Polygon",
-        "type": "string"
-      }
-    },
-    "required": [
-      "type",
-      "coordinates"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "coordinates": {
-        "items": {
-          "items": {
-            "items": {
-              "items": false,
-              "maxItems": 2,
-              "minItems": 2,
-              "prefixItems": [
-                {
-                  "type": "number"
-                },
-                {
-                  "type": "number"
-                }
-              ],
-              "type": "array"
-            },
-            "type": "array"
-          },
-          "type": "array"
-        },
-        "type": "array"
-      },
-      "type": {
-        "const": "MultiPolygon",
-        "type": "string"
-      }
-    },
-    "required": [
-      "type",
-      "coordinates"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "coordinates": {
+        "items": {
+          "items": {
+            "items": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "number"
+              }
+            ],
+            "maxItems": 2,
+            "minItems": 2,
+            "type": "array"
+          },
+          "type": "array"
+        },
+        "type": "array"
+      },
+      "type": {
+        "const": "Polygon",
+        "type": "string"
+      }
+    },
+    "required": [
+      "type",
+      "coordinates"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "coordinates": {
+        "items": {
+          "items": {
+            "items": {
+              "items": [
+                {
+                  "type": "number"
+                },
+                {
+                  "type": "number"
+                }
+              ],
+              "maxItems": 2,
+              "minItems": 2,
+              "type": "array"
+            },
+            "type": "array"
+          },
+          "type": "array"
+        },
+        "type": "array"
+      },
+      "type": {
+        "const": "MultiPolygon",
+        "type": "string"
+      }
+    },
+    "required": [
+      "type",
+      "coordinates"
+    ],
+    "type": "object"
+  }
+]

removedInput schema / properties / id / pattern

Removed value: -"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$"

removedInput schema / properties / network_id / pattern

Removed value: -"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$"

Changed5 schema fields changedOct 7, 2026

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

removedInput schema / additionalProperties
```
Removed value: -false
```

changedInput schema / properties / boundary / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "coordinates": {
-        "items": {
-          "items": {
-            "items": [
-              {
-                "type": "number"
-              },
-              {
-                "type": "number"
-              }
-            ],
-            "maxItems": 2,
-            "minItems": 2,
-            "type": "array"
-          },
-          "type": "array"
-        },
-        "type": "array"
-      },
-      "type": {
-        "const": "Polygon",
-        "type": "string"
-      }
-    },
-    "required": [
-      "type",
-      "coordinates"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "coordinates": {
-        "items": {
-          "items": {
-            "items": {
-              "items": [
-                {
-                  "type": "number"
-                },
-                {
-                  "type": "number"
-                }
-              ],
-              "maxItems": 2,
-              "minItems": 2,
-              "type": "array"
-            },
-            "type": "array"
-          },
-          "type": "array"
-        },
-        "type": "array"
-      },
-      "type": {
-        "const": "MultiPolygon",
-        "type": "string"
-      }
-    },
-    "required": [
-      "type",
-      "coordinates"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "properties": {
+      "coordinates": {
+        "items": {
+          "items": {
+            "items": false,
+            "maxItems": 2,
+            "minItems": 2,
+            "prefixItems": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "number"
+              }
+            ],
+            "type": "array"
+          },
+          "type": "array"
+        },
+        "type": "array"
+      },
+      "type": {
+        "const": "Polygon",
+        "type": "string"
+      }
+    },
+    "required": [
+      "type",
+      "coordinates"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "coordinates": {
+        "items": {
+          "items": {
+            "items": {
+              "items": false,
+              "maxItems": 2,
+              "minItems": 2,
+              "prefixItems": [
+                {
+                  "type": "number"
+                },
+                {
+                  "type": "number"
+                }
+              ],
+              "type": "array"
+            },
+            "type": "array"
+          },
+          "type": "array"
+        },
+        "type": "array"
+      },
+      "type": {
+        "const": "MultiPolygon",
+        "type": "string"
+      }
+    },
+    "required": [
+      "type",
+      "coordinates"
+    ],
+    "type": "object"
+  }
+]

addedInput schema / properties / id / pattern

Added value: +"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$"

addedInput schema / properties / network_id / pattern

Added value: +"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$"

First observedOct 7, 2026

TDQS

A3.6/5.0

Behavior4/5

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

Annotations declare destructiveHint=true and idempotentHint=true, so the safety profile is already covered. The description adds real value beyond that: the required infrastructure_zones:write scope and the fact that boundary replaces the existing geometry, which is the key destructive behavior an agent needs to know.

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?

Three short sentences with no filler: the action, the notable update semantic (geometry replacement), and the authorization requirement. Front-loaded and every sentence earns its place.

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?

Covers the operation, the one non-obvious mutation semantic, and the auth scope, with annotations supplying safety hints and no output schema to explain. The remaining gap is partial-update semantics: it never says whether omitted optional fields (name, code, kind) are preserved or cleared, which matters for a 7-parameter update tool.

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 coverage is 100% and the boundary schema already documents GeoJSON Polygon/MultiPolygon, EPSG:4326, ring closure and MultiPolygon use cases in detail. The description's boundary sentence largely restates the schema, and the other five parameters get no description-level context. Baseline 3 is appropriate.

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 and resource ('Update an infrastructure zone by ID'), which is clear enough to distinguish it from the create/delete/get/list zone siblings. It stops short of explicitly naming how it differs from bulk_update or create_infrastructure_zone, but the resource is unambiguous.

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?

No when-to-use guidance: nothing about when to prefer this over bulk_update, or when a zone must exist first. 'By ID' weakly implies an existing zone, but that is inference rather than stated guidance.

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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