Amazon Well-Architected Tool API Rules

# authorship: generated by API Evangelist tooling. Stamped 2026-08-18
# on the file's own generator header (roadmap#64). An unmarked file is
# NOT assumed to be ours -- absence of evidence was never stamped.
x-method: generated
# amazon-well-architected-tool — Spectral ruleset (strengthened)
# Plain Spectral. Existing hand-authored rules preserved; measured rules added
# from this provider's own OpenAPI conventions by strengthen_ruleset.py,
# then self-validated against the spec.
#
# Provenance:
#   - servers-https-only: 50% of servers already https (warn)
#   - path-params-casing: pascal @ 100% (n=60)
#   - query-params-casing: pascal @ 99% (n=73)
#   - operationid-casing: pascal @ 100% (n=56)
#   - schema-names-casing: pascal @ 100% (n=315)
#   - schema-properties-casing: pascal @ 100% (n=486)
#   - security: global (root) — NOT emitting operation-security-required
#   - merge: kept 25 existing, added 4 measured, upgraded 0
#   - added: query-params-casing, operationid-casing, schema-names-casing, schema-properties-casing
extends:
  - spectral:oas
rules:
  info-title-format:
    description: API title should reference AWS Well-Architected Tool
    severity: warn
    given: $.info
    then:
      field: title
      function: pattern
      functionOptions:
        match: ^AWS Well-Architected Tool
  info-description-required:
    description: API info must have a description
    severity: error
    given: $.info
    then:
      field: description
      function: truthy
  info-version-required:
    description: API info must have a version
    severity: error
    given: $.info
    then:
      field: version
      function: truthy
  openapi-version:
    description: Must use OpenAPI 3.0.x
    severity: error
    given: $
    then:
      field: openapi
      function: pattern
      functionOptions:
        match: ^3\.0\.
  servers-defined:
    description: At least one server must be defined
    severity: error
    given: $
    then:
      field: servers
      function: truthy
  servers-https:
    description: All server URLs must use HTTPS
    severity: error
    given: $.servers[*]
    then:
      field: url
      function: pattern
      functionOptions:
        match: ^https://
  paths-kebab-case:
    description: Path segments should use kebab-case or camelCase (AWS uses mixed)
    severity: info
    given: $.paths
    then:
      field: '@key'
      function: pattern
      functionOptions:
        match: ^/[a-zA-Z0-9/_{}.-]+$
  paths-no-trailing-slash:
    description: Paths must not have a trailing slash
    severity: warn
    given: $.paths
    then:
      field: '@key'
      function: pattern
      functionOptions:
        notMatch: /$
  operation-operationid-required:
    description: Every operation must have an operationId
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: truthy
  operation-operationid-pascal-case:
    description: operationId should use PascalCase (AWS convention)
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: pattern
      functionOptions:
        match: ^[A-Z][a-zA-Z0-9]+$
  operation-summary-required:
    description: Every operation must have a summary
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: truthy
  operation-summary-prefix:
    description: Operation summary should start with Amazon Well-Architected Tool
    severity: info
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: pattern
      functionOptions:
        match: ^Amazon Well-Architected Tool
  operation-tags-required:
    description: Every operation must have at least one tag
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: tags
      function: truthy
  parameter-description-required:
    description: All parameters must have a description
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[*]
    then:
      field: description
      function: truthy
  request-body-description:
    description: Request bodies should have a description
    severity: info
    given: $.paths[*][post,put,patch].requestBody
    then:
      field: description
      function: truthy
  request-body-json-content:
    description: Request bodies should support application/json
    severity: warn
    given: $.paths[*][post,put,patch].requestBody.content
    then:
      field: application/json
      function: truthy
  response-success-required:
    description: Operations must define at least one success (2xx) response
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          minProperties: 1
  response-description-required:
    description: All responses must have a description
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses[*]
    then:
      field: description
      function: truthy
  schema-description-recommended:
    description: Top-level schemas should have a description
    severity: info
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy
  schema-type-defined:
    description: Schema properties should define a type
    severity: warn
    given: $.components.schemas[*].properties[*]
    then:
      field: type
      function: truthy
  security-schemes-defined:
    description: Security schemes should be defined in components
    severity: warn
    given: $.components
    then:
      field: securitySchemes
      function: truthy
  get-no-request-body:
    description: GET operations must not have a request body
    severity: error
    given: $.paths[*].get
    then:
      field: requestBody
      function: falsy
  delete-no-request-body:
    description: DELETE operations should not have a request body
    severity: warn
    given: $.paths[*].delete
    then:
      field: requestBody
      function: falsy
  no-empty-descriptions:
    description: Descriptions must not be empty strings
    severity: warn
    given: $..description
    then:
      function: pattern
      functionOptions:
        match: .+
  components-schemas-exist:
    description: Components schemas should be defined for reuse
    severity: info
    given: $.components
    then:
      field: schemas
      function: truthy
  query-params-casing:
    description: Query parameters should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[?(@.in=='query')]
    then:
      field: name
      function: casing
      functionOptions:
        type: pascal
  operationid-casing:
    description: Operation IDs should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].operationId
    then:
      function: casing
      functionOptions:
        type: pascal
  schema-names-casing:
    description: Component schema names should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.components.schemas
    then:
      field: '@key'
      function: pattern
      functionOptions:
        match: ^[A-Z][A-Za-z0-9]*$
  schema-properties-casing:
    description: Schema properties should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.components.schemas[*].properties
    then:
      field: '@key'
      function: pattern
      functionOptions:
        match: ^[A-Z][A-Za-z0-9]*$