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Microburbs Australian Property Data

by au.com.microburbs
OverviewDiscussionsAdmin

Property · Housing Tenure within 200 m (by gnaf_id)

properties_surroundings_tenure
Read-onlyIdempotent

Shown in the property report as the 'Housing Tenure' card in the Demographics section.

Tenure shares — owned outright, mortgaged, rented, public housing — for each mesh block around the subject.

Price: 15¢ 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_surroundings_tenure"
  }
}

Input Schema

NameRequiredDescriptionDefault
gnaf_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • 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": "Tenure mix (own / mortgage / rent / public) around the subject.",
-          "example": {
-            "as_of": "2021-08-10",
-            "gnaf_pid": "GANSW704360755",
-            "mbs": [
-              {
-                "mb": "10843090000",
-                "mortgaged_pct": 39.9,
-                "owned_outright_pct": 35.4,
-                "property_count": 39,
-                "public_housing_pct": 0,
-                "rented_pct": 15.2
-              },
-              {
-                "mb": "10842992000",
-                "mortgaged_pct": 45.9,
-                "owned_outright_pct": 36.3,
-                "property_count": 21,
-                "public_housing_pct": 0.6,
-                "rented_pct": 6.6
-              }
-            ],
-            "radius_m": 200
-          },
-          "properties": {
-            "as_of": {
-              "description": "Census anchor date (YYYY-MM-DD).",
-              "title": "As Of",
-              "type": "string"
-            },
-            "gnaf_pid": {
-              "description": "The subject property's GNAF PID.",
-              "title": "Gnaf Pid",
-              "type": "string"
-            },
-            "mbs": {
-              "description": "Per-mesh-block tenure shares, sorted by property count desc.",
-              "items": {
-                "additionalProperties": true,
-                "description": "ABS Census 2021 tenure shares for one mesh block.",
-                "properties": {
-                  "mb": {
-                    "description": "ABS 2021 mesh-block code.",
-                    "title": "Mb",
-                    "type": "string"
-                  },
-                  "mortgaged_pct": {
-                    "anyOf": [
-                      {
-                        "type": "number"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "description": "Share of dwellings owned with a mortgage (%).",
-                    "title": "Mortgaged Pct"
-                  },
-                  "owned_outright_pct": {
-                    "anyOf": [
-                      {
-                        "type": "number"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "description": "Share of dwellings owned outright (%).",
-                    "title": "Owned Outright Pct"
-                  },
-                  "property_count": {
-                    "description": "Properties inside the search box that sit in this mesh block.",
-                    "title": "Property Count",
-                    "type": "integer"
-                  },
-                  "public_housing_pct": {
-                    "anyOf": [
-                      {
-                        "type": "number"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "description": "Share of dwellings in public/social housing (%).",
-                    "title": "Public Housing Pct"
-                  },
-                  "rented_pct": {
-                    "anyOf": [
-                      {
-                        "type": "number"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "description": "Share of dwellings rented privately (%).",
-                    "title": "Rented Pct"
-                  }
-                },
-                "required": [
-                  "mb",
-                  "property_count"
-                ],
-                "title": "MbTenure",
-                "type": "object"
-              },
-              "title": "Mbs",
-              "type": "array"
-            },
-            "radius_m": {
-              "description": "Radius of the search box around the subject, metres.",
-              "title": "Radius M",
-              "type": "integer"
-            }
-          },
-          "required": [
-            "gnaf_pid",
-            "radius_m",
-            "as_of",
-            "mbs"
-          ],
-          "title": "SurroundingTenure",
-          "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[SurroundingTenure]",
-  "type": "object",
-  "x-fastmcp-top-level-schema": "ApiResponse_SurroundingTenure_"
-}New value: +null
  2. First observed

TDQS

A3.5/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive and closed-world, so safety needs no restating. The description adds genuinely extra context: the geographic radius (200 m), the output dimensions (tenure categories per mesh block), and an explicit cost of 15¢ per call, which matters for an agent deciding whether to call repeatedly. It does not say anything about coverage gaps or empty-result behaviour.

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?

Very short and front-loaded: report context first, then what the data contains, then price. The card-reference sentence is arguably skippable but does orient the agent; no padding beyond that.

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 single-parameter, no-output-schema tool the description covers what is returned, the spatial scope, and the cost, which is most of what an agent needs. The one real hole is provenance of gnaf_id, which is the sole required input.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema documents gnaf_id with 0% description coverage, so the description carries the burden and mostly does not meet it. 'Around the subject' weakly implies gnaf_id identifies the subject property, but it never says what a GNAF ID is, how to obtain one (e.g. via geocode_address), or what happens with an invalid ID.

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 resource and scope: tenure shares (owned outright, mortgaged, rented, public housing) for each mesh block within 200 m of a property identified by gnaf_id. That is concrete enough for an agent to know what comes back. It stops short of naming how it differs from near-siblings such as suburbs_mesh_blocks_tenure or suburbs_demographics_tenure, which is the only thing keeping it from a 5.

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

Usage Guidelines3/5

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

Usage is implied by the framing as the 'Housing Tenure' card in the Demographics section of a property report, which tells an agent this is the property-level view. There is no explicit when-to-use/when-not guidance and no pointer to the suburb-level tenure siblings, so an agent must infer the trade-off itself.

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 toolsInspect
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