Census Data API — American Community Survey

naftiko: 1.0.0-alpha2
info:
  label: Census Data API — American Community Survey
  description: 'Census Data API — American Community Survey. 2 operations. Lead operation: Get ACS 1-Year Data. Self-contained
    Naftiko capability covering one United States Census Bureau business surface.'
  tags:
  - United States Census Bureau
  - American Community Survey
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    UNITED_STATES_CENSUS_BUREAU_API_KEY: UNITED_STATES_CENSUS_BUREAU_API_KEY
capability:
  consumes:
  - type: http
    namespace: census-data-american-community-survey
    baseUri: https://api.census.gov/data
    description: Census Data API — American Community Survey business capability. Self-contained, no shared references.
    resources:
    - name: year-acs-acs1
      path: /{year}/acs/acs1
      operations:
      - name: getacs1year
        method: GET
        description: Get ACS 1-Year Data
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: year
          in: path
          type: integer
          description: Data year (2005-2024)
          required: true
        - name: get
          in: query
          type: string
          description: Comma-separated list of variable names to retrieve (e.g., NAME,B01003_001E for name and total population).
            Maximum 50 variables per query.
          required: true
        - name: for
          in: query
          type: string
          description: Geographic level and FIPS code filter (e.g., state:01 for Alabama, county:*&in=state:06 for all CA
            counties)
        - name: in
          in: query
          type: string
          description: Parent geography constraint for sub-state geographies (e.g., state:06 to restrict to California)
        - name: key
          in: query
          type: string
          description: Census API key for higher usage limits (500+ requests/day)
    - name: year-acs-acs5
      path: /{year}/acs/acs5
      operations:
      - name: getacs5year
        method: GET
        description: Get ACS 5-Year Data
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: year
          in: path
          type: integer
          description: End year of the 5-year period (2009-2024)
          required: true
        - name: get
          in: query
          type: string
          description: Comma-separated variable names (e.g., NAME,B01003_001E,B19013_001E for name, total population, and
            median household income)
          required: true
        - name: for
          in: query
          type: string
          description: Geographic level and FIPS code filter
        - name: in
          in: query
          type: string
          description: Parent geography constraint
        - name: key
          in: query
          type: string
          description: Census API key
  exposes:
  - type: rest
    namespace: census-data-american-community-survey-rest
    port: 8080
    description: REST adapter for Census Data API — American Community Survey. One Spectral-compliant resource per consumed
      operation, prefixed with /v1.
    resources:
    - path: /v1/{year}/acs/acs1
      name: year-acs-acs1
      description: REST surface for year-acs-acs1.
      operations:
      - method: GET
        name: getacs1year
        description: Get ACS 1-Year Data
        call: census-data-american-community-survey.getacs1year
        with:
          year: rest.year
          get: rest.get
          for: rest.for
          in: rest.in
          key: rest.key
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/{year}/acs/acs5
      name: year-acs-acs5
      description: REST surface for year-acs-acs5.
      operations:
      - method: GET
        name: getacs5year
        description: Get ACS 5-Year Data
        call: census-data-american-community-survey.getacs5year
        with:
          year: rest.year
          get: rest.get
          for: rest.for
          in: rest.in
          key: rest.key
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: census-data-american-community-survey-mcp
    port: 9090
    transport: http
    description: MCP adapter for Census Data API — American Community Survey. One tool per consumed operation, routed inline
      through this capability's consumes block.
    tools:
    - name: get-acs-1-year-data
      description: Get ACS 1-Year Data
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: census-data-american-community-survey.getacs1year
      with:
        year: tools.year
        get: tools.get
        for: tools.for
        in: tools.in
        key: tools.key
      outputParameters:
      - type: object
        mapping: $.
    - name: get-acs-5-year-data
      description: Get ACS 5-Year Data
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: census-data-american-community-survey.getacs5year
      with:
        year: tools.year
        get: tools.get
        for: tools.for
        in: tools.in
        key: tools.key
      outputParameters:
      - type: object
        mapping: $.