US Census Bureau · Capability

TIGERweb — Geographic Features

TIGERweb — Geographic Features. 3 operations across State_County, Tracts_Blocks, and PUMA/ZCTA map services. Lead operation: Query States And Counties Features. No authentication required.

TIGERweb — Geographic Features is a Naftiko capability published by US Census Bureau, one of 8 capabilities the APIs.io network indexes for this provider. It bundles 3 operations.

The capability includes 3 read-only operations. Lead operation: Query States And Counties Features. Can be deployed as a REST endpoint, MCP tool, or Agent Skill via Naftiko.

Tagged areas include US Census Bureau, Geospatial, and GIS.

Run with Naftiko US Census BureauGeospatialGIS

MCP Tools

census-query-state-county

Query States And Counties Features

read-only idempotent

census-query-tracts-blocks

Query Census Tracts And Blocks Features

read-only idempotent

census-query-puma-zcta

Query PUMAs And ZIP Code Tabulation Areas

read-only idempotent

Capability Spec

naftiko: 1.0.0-alpha2
info:
  label: TIGERweb — Geographic Features
  description: 'TIGERweb — Geographic Features. 3 operations across State_County, Tracts_Blocks, and PUMA/ZCTA
    map services. Lead operation: Query States And Counties Features. No authentication required.'
  tags:
  - US Census Bureau
  - Geospatial
  - GIS
  created: '2026-05-25'
  modified: '2026-05-25'
binds: []
capability:
  consumes:
  - type: http
    namespace: census-tigerweb-features
    baseUri: https://tigerweb.geo.census.gov/arcgis/rest/services
    description: TIGERweb feature queries via ArcGIS REST.
    resources:
    - name: state-county
      path: /TIGERweb/State_County/MapServer/{layerId}/query
      operations:
      - name: querystatecounty
        method: GET
        description: Query States And Counties Features
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: tracts-blocks
      path: /TIGERweb/Tracts_Blocks/MapServer/{layerId}/query
      operations:
      - name: querytractsblocks
        method: GET
        description: Query Census Tracts And Blocks Features
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: puma-zcta
      path: /TIGERweb/PUMA_TAD_TAZ_UGA_ZCTA/MapServer/{layerId}/query
      operations:
      - name: querypumazcta
        method: GET
        description: Query PUMAs And ZIP Code Tabulation Areas
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    authentication:
      type: none
  exposes:
  - type: mcp
    namespace: census-tigerweb-features-mcp
    port: 9090
    transport: http
    tools:
    - name: census-query-state-county
      description: Query States And Counties Features
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: census-tigerweb-features.querystatecounty
      outputParameters:
      - type: object
        mapping: $.
    - name: census-query-tracts-blocks
      description: Query Census Tracts And Blocks Features
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: census-tigerweb-features.querytractsblocks
      outputParameters:
      - type: object
        mapping: $.
    - name: census-query-puma-zcta
      description: Query PUMAs And ZIP Code Tabulation Areas
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: census-tigerweb-features.querypumazcta
      outputParameters:
      - type: object
        mapping: $.