{
  "openapi": "3.1.0",
  "info": {
    "title": "DataEngineer Hub public content APIs",
    "summary": "Read-only catalogs and feeds for AI agents and crawlers",
    "description": "Machine-readable indexes of the public DataEngineer Hub publication. All operations are unauthenticated GET. This is a content site, not a write API. Do not POST registration or token endpoints — none are offered.",
    "version": "1.0.0",
    "contact": {
      "name": "Sainath Reddy",
      "url": "https://dataengineerhub.blog/contact"
    },
    "license": {
      "name": "Site terms",
      "url": "https://dataengineerhub.blog/terms-of-service"
    }
  },
  "servers": [
    {
      "url": "https://dataengineerhub.blog",
      "description": "Public publication origin"
    }
  ],
  "paths": {
    "/llm-sitemap.json": {
      "get": {
        "operationId": "getArticleCatalog",
        "summary": "Structured article catalog",
        "description": "JSON catalog of published tutorials with titles, summaries, key facts, entities, and dates.",
        "responses": {
          "200": {
            "description": "Article catalog",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "site": { "type": "string" },
                    "totalArticles": { "type": "integer" },
                    "pages": { "type": "array", "items": { "type": "object" } }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/llms.txt": {
      "get": {
        "operationId": "getLlmContext",
        "summary": "Compact LLM context",
        "description": "Human- and model-readable site overview, topic map, and citation guidelines.",
        "responses": {
          "200": {
            "description": "LLM context document",
            "content": {
              "text/plain": {}
            }
          }
        }
      }
    },
    "/llms-full.txt": {
      "get": {
        "operationId": "getLlmFullContext",
        "summary": "Expanded per-article LLM index",
        "responses": {
          "200": {
            "description": "Expanded LLM index",
            "content": {
              "text/plain": {}
            }
          }
        }
      }
    },
    "/rss.xml": {
      "get": {
        "operationId": "getRssFeed",
        "summary": "Latest articles RSS feed",
        "responses": {
          "200": {
            "description": "RSS 2.0 feed",
            "content": {
              "application/rss+xml": {}
            }
          }
        }
      }
    },
    "/sitemap.xml": {
      "get": {
        "operationId": "getSitemap",
        "summary": "XML sitemap",
        "responses": {
          "200": {
            "description": "URL set",
            "content": {
              "application/xml": {}
            }
          }
        }
      }
    },
    "/auth.md": {
      "get": {
        "operationId": "getAuthMd",
        "summary": "Agent access and registration discovery",
        "description": "Declares that this publication is public and does not offer agent registration.",
        "responses": {
          "200": {
            "description": "auth.md document",
            "content": {
              "text/markdown": {}
            }
          }
        }
      }
    },
    "/index.md": {
      "get": {
        "operationId": "getHomepageMarkdown",
        "summary": "Homepage Markdown representation",
        "responses": {
          "200": {
            "description": "Homepage as Markdown",
            "content": {
              "text/markdown": {}
            }
          }
        }
      }
    },
    "/.well-known/agent-skills/index.json": {
      "get": {
        "operationId": "getAgentSkillsIndex",
        "summary": "Agent Skills discovery index",
        "responses": {
          "200": {
            "description": "Skill index",
            "content": {
              "application/json": {}
            }
          }
        }
      }
    },
    "/.well-known/ai-catalog.json": {
      "get": {
        "operationId": "getArdCatalog",
        "summary": "ARD capability manifest",
        "responses": {
          "200": {
            "description": "ARD catalog",
            "content": {
              "application/json": {}
            }
          }
        }
      }
    },
    "/.well-known/api-catalog": {
      "get": {
        "operationId": "getApiCatalog",
        "summary": "RFC 9727 API catalog",
        "responses": {
          "200": {
            "description": "Linkset catalog",
            "content": {
              "application/linkset+json": {}
            }
          }
        }
      },
      "head": {
        "operationId": "headApiCatalog",
        "summary": "RFC 9727 API catalog headers",
        "responses": {
          "200": {
            "description": "Link headers for the catalog"
          }
        }
      }
    }
  }
}