{
  "openapi": "3.1.0",
  "info": {
    "title": "Chijun Sima Machine-Readable Profile API",
    "version": "2026-04-02T00:00:00+08:00",
    "description": "Read-only static endpoints exposing public profile, publication, update, and agent discovery metadata for chijunsima.com."
  },
  "servers": [
    {
      "url": "https://www.chijunsima.com"
    }
  ],
  "externalDocs": {
    "description": "Concise LLM-oriented site summary",
    "url": "https://www.chijunsima.com/llms.txt"
  },
  "paths": {
    "/profile.json": {
      "get": {
        "operationId": "getProfile",
        "summary": "Get structured public profile metadata.",
        "responses": {
          "200": {
            "description": "Structured profile, experience, contact, and site metadata.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Profile"
                }
              }
            }
          }
        }
      }
    },
    "/publications.json": {
      "get": {
        "operationId": "getPublications",
        "summary": "Get selected publication metadata.",
        "responses": {
          "200": {
            "description": "Selected publications.",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "$ref": "#/components/schemas/Publication"
                  }
                }
              }
            }
          }
        }
      }
    },
    "/feed.json": {
      "get": {
        "operationId": "getFeed",
        "summary": "Get public site updates as JSON Feed.",
        "responses": {
          "200": {
            "description": "JSON Feed document for site news and notable updates.",
            "content": {
              "application/feed+json": {
                "schema": {
                  "type": "object",
                  "additionalProperties": true
                }
              }
            }
          }
        }
      }
    },
    "/llms.txt": {
      "get": {
        "operationId": "getLlmsSummary",
        "summary": "Get concise LLM-oriented text context.",
        "responses": {
          "200": {
            "description": "Concise LLM-oriented public summary.",
            "content": {
              "text/plain": {
                "schema": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    },
    "/llms-full.txt": {
      "get": {
        "operationId": "getLlmsFullContext",
        "summary": "Get expanded LLM-oriented text context.",
        "responses": {
          "200": {
            "description": "Expanded LLM-oriented public profile context.",
            "content": {
              "text/plain": {
                "schema": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    },
    "/.well-known/agent-skills/index.json": {
      "get": {
        "operationId": "getAgentSkillsIndex",
        "summary": "Get Agent Skills discovery metadata.",
        "responses": {
          "200": {
            "description": "Agent Skills discovery index.",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "$schema",
                    "skills"
                  ],
                  "properties": {
                    "$schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "skills": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "required": [
                          "name",
                          "type",
                          "description",
                          "url",
                          "digest"
                        ],
                        "additionalProperties": true
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Profile": {
        "type": "object",
        "additionalProperties": true,
        "description": "Public profile data for Chijun Sima."
      },
      "Publication": {
        "type": "object",
        "required": [
          "id",
          "title",
          "authors",
          "summary"
        ],
        "additionalProperties": true,
        "properties": {
          "id": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "authors": {
            "type": "string"
          },
          "summary": {
            "type": "string"
          }
        }
      }
    }
  }
}