Microburbs Australian Property Data

Property · Mesh-block stats within 1 km (by gnaf_id)

properties_context_mesh_blocks

Read-onlyIdempotent

Mesh-block polygons within 1 km of the property (GeoJSON), each with avg annual growth, investor counts, modal street and median sold price.

Price: 30¢ per call.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "gnaf_id": "<gnaf_id>"
    },
    "name": "properties_context_mesh_blocks"
  }
}

Input Schema

Name	Required	Description	Default
`geojson`	No	When false, geometry is dropped — every Feature keeps its per-mesh-block stats but its `geometry` is null. Use it for the stats surface without the polygons (default true — response unchanged).
`gnaf_id`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 15, 2026

changedOutput schema / (root)

Previous value: -{
-  "properties": {
-    "available": {
-      "anyOf": [
-        {
-          "type": "boolean"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "description": "`false` on no-data responses. Omitted on success — branch on `data !== null` if you want a single discriminator.",
-      "title": "Available"
-    },
-    "data": {
-      "anyOf": [
-        {
-          "additionalProperties": true,
-          "description": "Mesh blocks within a 1 km buffer of the property, with per-block\ngrowth / investor / median-price stats — the same base layers every\nmap in the v6 property report renders.",
-          "example": {
-            "buffer_km": 1,
-            "center_lat": -33.802479,
-            "center_lng": 151.219715,
-            "gnaf_id": "GANSW704360755",
-            "mesh_blocks": {
-              "features": [
-                {
-                  "geometry": {
-                    "coordinates": [
-                      [
-                        [
-                          151.2185,
-                          -33.8018
-                        ],
-                        [
-                          151.2199,
-                          -33.8018
-                        ],
-                        [
-                          151.2199,
-                          -33.8031
-                        ],
-                        [
-                          151.2185,
-                          -33.8031
-                        ],
-                        [
-                          151.2185,
-                          -33.8018
-                        ]
-                      ]
-                    ],
-                    "type": "Polygon"
-                  },
-                  "properties": {
-                    "avg_annual_growth": 0.061,
-                    "investor_pct": 21.43,
-                    "mb": "10693650000",
-                    "median_sold_price": 3350000,
-                    "modal_street": "THE BULWARK",
-                    "rental_properties": 9,
-                    "total_properties": 42
-                  },
-                  "type": "Feature"
-                }
-              ],
-              "type": "FeatureCollection"
-            }
-          },
-          "properties": {
-            "buffer_km": {
-              "description": "Buffer radius (km). Always 1.0.",
-              "title": "Buffer Km",
-              "type": "number"
-            },
-            "center_lat": {
-              "description": "Subject property latitude.",
-              "title": "Center Lat",
-              "type": "number"
-            },
-            "center_lng": {
-              "description": "Subject property longitude.",
-              "title": "Center Lng",
-              "type": "number"
-            },
-            "gnaf_id": {
-              "description": "Subject property GNAF id.",
-              "title": "Gnaf Id",
-              "type": "string"
-            },
-            "mesh_blocks": {
-              "description": "GeoJSON FeatureCollection of buffer mesh blocks.",
-              "properties": {
-                "features": {
-                  "description": "One feature per mesh block (max 200).",
-                  "items": {
-                    "description": "RFC 7946 GeoJSON Feature — one mesh-block polygon + its stats.",
-                    "properties": {
-                      "geometry": {
-                        "anyOf": [
-                          {
-                            "additionalProperties": true,
-                            "type": "object"
-                          },
-                          {
-                            "type": "null"
-                          }
-                        ],
-                        "description": "GeoJSON geometry (Polygon or MultiPolygon), simplified for rendering. Null if the polygon failed to serialise, or when the request passes `?geojson=false`.",
-                        "title": "Geometry"
-                      },
-                      "properties": {
-                        "additionalProperties": true,
-                        "description": "Per-mesh-block stats.",
-                        "properties": {
-                          "avg_annual_growth": {
-                            "anyOf": [
-                              {
-                                "type": "number"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ],
-                            "description": "Average annual price growth for properties in the mesh block, as a decimal fraction per year (0.061 = 6.1%/yr) — same scale as the suburb investor-concentration endpoint.",
-                            "title": "Avg Annual Growth"
-                          },
-                          "investor_pct": {
-                            "anyOf": [
-                              {
-                                "type": "number"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ],
-                            "description": "Investor share = rental_properties / total_properties × 100, as a percentage 0-100 (21.43 = 21.43%).",
-                            "title": "Investor Pct"
-                          },
-                          "mb": {
-                            "description": "ABS 2021 mesh-block code.",
-                            "title": "Mb",
-                            "type": "string"
-                          },
-                          "median_sold_price": {
-                            "anyOf": [
-                              {
-                                "type": "number"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ],
-                            "description": "Median sold price (AUD) across the suburb's last ~12 months of house sales that geocode into this mesh block (min 2 sales, else null).",
-                            "title": "Median Sold Price"
-                          },
-                          "modal_street": {
-                            "anyOf": [
-                              {
-                                "type": "string"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ],
-                            "description": "Most common street name inside the mesh block.",
-                            "title": "Modal Street"
-                          },
-                          "rental_properties": {
-                            "anyOf": [
-                              {
-                                "type": "integer"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ],
-                            "description": "Properties identified as rentals in the mesh block.",
-                            "title": "Rental Properties"
-                          },
-                          "total_properties": {
-                            "anyOf": [
-                              {
-                                "type": "integer"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ],
-                            "description": "Total residential properties in the mesh block.",
-                            "title": "Total Properties"
-                          }
-                        },
-                        "required": [
-                          "mb"
-                        ],
-                        "title": "MeshBlockStats",
-                        "type": "object"
-                      },
-                      "type": {
-                        "const": "Feature",
-                        "description": "Always 'Feature'.",
-                        "title": "Type",
-                        "type": "string"
-                      }
-                    },
-                    "required": [
-                      "type",
-                      "properties"
-                    ],
-                    "title": "MeshBlockFeature",
-                    "type": "object"
-                  },
-                  "title": "Features",
-                  "type": "array"
-                },
-                "type": {
-                  "const": "FeatureCollection",
-                  "description": "Always 'FeatureCollection'.",
-                  "title": "Type",
-                  "type": "string"
-                }
-              },
-              "required": [
-                "type",
-                "features"
-              ],
-              "title": "MeshBlockFeatureCollection",
-              "type": "object"
-            }
-          },
-          "required": [
-            "gnaf_id",
-            "buffer_km",
-            "center_lat",
-            "center_lng",
-            "mesh_blocks"
-          ],
-          "title": "MeshBlocksContext",
-          "type": "object"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "description": "The endpoint's payload, or `null` when Microburbs has no value."
-    },
-    "message": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "description": "Human-readable explanation. Omitted on success.",
-      "title": "Message"
-    },
-    "reason": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "description": "Machine-readable slug naming the no-data condition (e.g. `no_avm_for_GANSW704074813`). Stable per endpoint. Omitted on success.",
-      "title": "Reason"
-    }
-  },
-  "title": "ApiResponse[MeshBlocksContext]",
-  "type": "object",
-  "x-fastmcp-top-level-schema": "ApiResponse_MeshBlocksContext_"
-}New value: +null

First observedSep 14, 2026

TDQS

A3.5/5.0

Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, openWorldHint=false and destructiveHint=false, so safety is covered. The description adds genuinely new behavioral context the annotations lack: the response is GeoJSON and each call is metered at 30¢, which materially affects whether an agent should call it. It does not mention error behavior for an invalid gnaf_id, so it falls short of a 5.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two short sentences, front-loaded with what the tool returns, with the cost disclosure kept separate and easy to scan. No filler; the only mildly awkward element is the bold pricing fragment appended rather than integrated into the first sentence.

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 two-parameter read tool with no output schema, the description enumerates the returned fields and the geometry toggle is handled in the schema, which is sufficient to call it correctly. Minor gaps remain: currency/units for the median sold price and the required format of gnaf_id are unstated.

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 50%: the geojson flag is fully documented in the schema, but gnaf_id carries no description. The description partially compensates by framing gnaf_id as identifying the target property and by implying the polygons are the default surface, but it never states the ID format or source. Baseline 3 fits this mixed coverage.

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?

Names a specific resource and scope: mesh-block polygons within 1 km of a property identified by gnaf_id, plus the per-polygon attributes (growth, investor counts, modal street, median sold price). The 'within 1 km of the property' scoping implicitly separates it from suburb-level siblings like suburbs_shapes_mesh_blocks and suburbs_mesh_blocks_*, though no sibling is named explicitly.

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?

There is no when-to-use or when-not-to-use guidance and no alternative is named. An agent must infer from the phrase 'within 1 km of the property' that this is the property-level (not suburb-level) mesh-block surface, and nothing tells it whether to prefer this over properties_neighbours or suburbs_shapes_mesh_blocks.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Microburbs Australian Property Data tools Inspect

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