{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/knowledge/json-schema/knowledge-source-schema.json",
  "title": "API Knowledge Source",
  "description": "One place where an API is described or indexed. Used as an element of a knowledge record's sources array, but also publishable on its own (e.g. for indexing a catalog like APIs.guru or RapidAPI Hub as a top-level knowledge source).",
  "type": "object",
  "required": ["type", "url"],
  "properties": {
    "type": {
      "type": "string",
      "enum": [
        "APIsJSON",
        "APIsGuru",
        "RapidAPI",
        "Postman",
        "ProviderPortal",
        "OpenAPI",
        "GitHubRepository",
        "GitHubOrganization",
        "DocumentationSite",
        "Changelog",
        "StatusPage",
        "Blog",
        "Marketplace",
        "MCPRegistry",
        "NaftikoSignals",
        "SchemaOrg",
        "LlmsTxt",
        "Other"
      ]
    },
    "name": { "type": "string" },
    "url": { "type": "string", "format": "uri" },
    "description": { "type": "string" },
    "format": {
      "type": "string",
      "enum": ["OpenAPI", "AsyncAPI", "PostmanCollection", "APIsJSON", "JSONLD", "JSONSchema", "Arazzo", "Markdown", "HTML", "Other"]
    },
    "scope": {
      "type": "string",
      "enum": ["SingleAPI", "ProviderCatalog", "MultiProviderIndex", "AgentRegistry", "SignalsFeed"]
    },
    "trustLevel": {
      "type": "string",
      "enum": ["Authoritative", "Curated", "Aggregated", "Community"],
      "description": "How much weight to give this source when there's a conflict. Authoritative = provider-published; Curated = editorially maintained third party; Aggregated = scraped/auto-imported; Community = user-contributed."
    },
    "license": { "type": "string" },
    "retrieved": { "type": "string", "format": "date-time" }
  },
  "additionalProperties": false
}