Name: USACE National Structure Inventory
Creator: USACE National Structure Inventory

API access

Your AI client reaches USACE National Structure Inventory through one ParcelOps MCP endpoint, so there is no separate key to hold for it and no per-source client to write. Reaching it takes no credentials of your own.

Set up USACE National Structure Inventory in Claude, ChatGPT, or Cursor Get every fact on this page as JSON

Where it came from

PublisherUSACE National Structure Inventory

Sourcehttps://nsi.sec.usace.army.mil/nsiapi/structures

API basehttps://nsi.sec.usace.army.mil/nsiapi/structures

Docshttps://www.hec.usace.army.mil/confluence/nsi/technicalreferences/latest/api-reference-guide

Freshness and coverage

FreshnessScheduled · The connector targets the documented current NSI API.

Places coveredUnited States structures represented in the NSI model

Time coveredNot declared

CredentialsNo credentials required

What this source cannot tell you

⚠ Anything outside United States structures represented in the NSI model. A request past that edge comes back empty rather than approximated.
⚠ Which years it spans, because the covered period is not declared.
⚠ Anything USACE National Structure Inventory does not publish. ParcelOps returns this source as it stands and never fills a blank field from a different one.
⚠ NSI values are modeled hazard-analysis inputs, not assessor facts, surveys, appraisals, market values, or insurance estimates.
⚠ The API does not paginate; ParcelOps caps bounding boxes and validates the full response before applying the local record limit.
⚠ The documented live hostname was not resolvable during implementation and requires a successful production DNS smoke test.

Methods (2)

A method is one call your agent can make against this source.

searchStructures

read

Query a small WGS84 box or five-digit county FIPS for modeled structures.

FreshnessScheduled (source-level)

Input schema

{
  "type": "object",
  "properties": {
    "bbox": {
      "type": "array",
      "description": "[west, south, east, north] in WGS84. At most 0.05 degrees per side.",
      "minItems": 4,
      "maxItems": 4,
      "items": {
        "type": "number"
      }
    },
    "fips": {
      "type": "string",
      "pattern": "^\\d{5}$"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100
    }
  },
  "required": [],
  "additionalProperties": false
}

getServiceInfo
read
Return the API contract, model fields, hard bounds, and modeled-data limitations.
FreshnessScheduled (source-level)
Input schema
```
{
  "type": "object",
  "properties": {},
  "required": [],
  "additionalProperties": false
}
```

Where this source is used

Data center siting
Power, water, transport, airspace, and hazard screening for a site before anyone signs anything.
Commercial real estate
Parcel and assessment records, building programs, and the entity on the other side of the deal.
Realtors and brokerages
The facts behind a listing, the programs a buyer may qualify for, and your own files in the same place.

USACE National Structure Inventory API and MCP server