Scryfall API Rules

rules:
  info-title-required:
    description: Info title must be present
    severity: error
    given: $.info
    then: { field: title, function: truthy }
  info-description-required:
    description: Info description must be present
    severity: error
    given: $.info
    then: { field: description, function: truthy }
  info-contact-required:
    description: Info should include a contact block
    severity: warn
    given: $.info
    then: { field: contact, function: truthy }
  info-license-required:
    description: Info must include a license block
    severity: error
    given: $.info
    then: { field: license, function: truthy }
  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-summary-required:
    description: Every operation must have a summary
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then: { field: summary, function: truthy }
  operation-summary-title-case:
    description: Operation summary should be Title Case (Scryfall convention)
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].summary
    then: { function: pattern, functionOptions: { match: "^[A-Z][A-Za-z0-9]*(\\s+[A-Z][A-Za-z0-9]*)*$" } }
  operation-tags-required:
    description: Every operation must have at least one tag
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then: { field: tags, function: truthy }
  operation-description-required:
    description: Every operation should have a description
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then: { field: description, function: truthy }
  scryfall-https-server-only:
    description: Scryfall API is HTTPS-only (TLS 1.2+)
    severity: error
    given: $.servers[*].url
    then: { function: pattern, functionOptions: { match: "^https://" } }
  scryfall-base-url-required:
    description: Server URL must be api.scryfall.com
    severity: warn
    given: $.servers[*].url
    then: { function: pattern, functionOptions: { match: "^https://api\\.scryfall\\.com$" } }
  scryfall-object-field-required:
    description: Every Scryfall response schema must include an 'object' discriminator property
    severity: warn
    given: $.components.schemas[Card,Set,Ruling,CardSymbol,Catalog,BulkData,Migration,List,Error,CardFace,RelatedCard].properties
    then: { field: object, function: truthy }
  scryfall-list-pagination-fields:
    description: List-typed responses must declare has_more and data pagination fields
    severity: warn
    given: $.components.schemas[List,CardList,SetList,RulingList,CardSymbolList,BulkDataList,MigrationList].properties
    then: { field: data, function: truthy }
  scryfall-tag-naming:
    description: Tags should be Title Case singular or plural resource names
    severity: warn
    given: $.tags[*].name
    then: { function: pattern, functionOptions: { match: "^[A-Z][A-Za-z]+(\\s+[A-Z][A-Za-z]+)*$" } }