`census_building_permits`

Pack: census · Endpoint: https://gateway.pipeworx.io/census/mcp

Check monthly building permits for new residential construction by geography. Returns count of authorized privately-owned housing units and construction activity trends.

Parameters

Name	Type	Required	Description
`time`	string	no	Month as “YYYY-MM” (e.g. “2026-04”), or “from 2026-01 to 2026-04” for a range. Defaults to the latest published month.
`category_code`	string	no	APERMITS (annual rate, default) or PERMITS (monthly level). Pass “ALL” to get every residential-construction series for the month.
`_apiKey`	string	no	Census API key

Example call

Arguments

{
  "category_code": "APERMITS"
}

curl

curl -X POST https://gateway.pipeworx.io/census/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"census_building_permits","arguments":{"category_code":"APERMITS"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('census_building_permits', {
  "category_code": "APERMITS"
});

More examples

{
  "category_code": "APERMITS",
  "time": "2026-04"
}

Response shape

Field	Type	Description
`time`	string	Time period queried
`date`	string
`category_code`	string
`headline`	object
`units`	string
`note`	string
`count`	number
`results`	array	Array of monthly building permit records

Full JSON Schema

{
  "type": "object",
  "properties": {
    "time": {
      "type": "string",
      "description": "Time period queried"
    },
    "date": {
      "type": "string"
    },
    "category_code": {
      "type": "string"
    },
    "headline": {
      "type": "object",
      "properties": {
        "category_code": {
          "type": "string"
        },
        "value_thousands": {
          "type": "number"
        },
        "units": {
          "type": "string"
        },
        "geography": {
          "type": "string"
        },
        "period": {
          "type": "string"
        }
      }
    },
    "units": {
      "type": "string"
    },
    "note": {
      "type": "string"
    },
    "count": {
      "type": "number"
    },
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "cell_value": {
            "type": "string"
          },
          "category_code": {
            "type": "string"
          },
          "data_type_code": {
            "type": "string"
          },
          "seasonally_adj": {
            "type": "string"
          },
          "geo_level_code": {
            "type": "string"
          },
          "time_slot_id": {
            "type": "string"
          },
          "time_slot_name": {
            "type": "string"
          },
          "time": {
            "type": "string"
          }
        },
        "description": "Building permits data rows"
      },
      "description": "Array of monthly building permit records"
    }
  }
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "census": {
      "url": "https://gateway.pipeworx.io/census/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

census_building_permits