{
  "openapi": "3.1.0",
  "info": {
    "title": "vophuthinh.com Public API",
    "version": "1.0.0",
    "description": "Read-only public API for the portfolio of Vo Phu Thinh, AI Engineer. No authentication required. Also exposes an MCP server over Streamable HTTP at /api/mcp. Versioning: this is v1 (paths under /api/v1/; the unversioned /api/ paths are kept as aliases) and the URL paths are stable. A breaking change ships under a new path prefix (/v2/) and v1 stays available for at least 90 days afterwards, announced via Deprecation and Sunset response headers.",
    "contact": {
      "name": "Vo Phu Thinh",
      "email": "vophuthinhcm@gmail.com",
      "url": "https://vophuthinh.com/contact"
    }
  },
  "servers": [
    {
      "url": "https://vophuthinh.com"
    }
  ],
  "paths": {
    "/api/v1/profile": {
      "get": {
        "operationId": "getProfile",
        "summary": "Get profile",
        "description": "Returns name, title, location, contact details, availability, awards, languages and work experience.",
        "responses": {
          "200": {
            "description": "Profile.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Profile"
                }
              }
            }
          },
          "405": {
            "$ref": "#/components/responses/Error"
          },
          "default": {
            "$ref": "#/components/responses/Error"
          },
          "500": {
            "$ref": "#/components/responses/Error"
          }
        }
      }
    },
    "/api/v1/skills": {
      "get": {
        "operationId": "getSkills",
        "summary": "Get skills",
        "description": "Returns technical skills grouped by area (ai_ml, frameworks, data, infrastructure, web).",
        "responses": {
          "200": {
            "description": "Skills grouped by area.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Skills"
                }
              }
            }
          },
          "405": {
            "$ref": "#/components/responses/Error"
          },
          "default": {
            "$ref": "#/components/responses/Error"
          },
          "500": {
            "$ref": "#/components/responses/Error"
          }
        }
      }
    },
    "/api/v1/projects": {
      "get": {
        "operationId": "listProjects",
        "summary": "List projects",
        "description": "Returns portfolio projects, optionally filtered by category.",
        "parameters": [
          {
            "name": "category",
            "in": "query",
            "required": false,
            "description": "Project category to filter by, for example llm.",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Projects.",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "count",
                    "projects"
                  ],
                  "properties": {
                    "count": {
                      "type": "integer"
                    },
                    "projects": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/Project"
                      }
                    }
                  }
                }
              }
            }
          },
          "404": {
            "$ref": "#/components/responses/Error"
          },
          "405": {
            "$ref": "#/components/responses/Error"
          },
          "default": {
            "$ref": "#/components/responses/Error"
          },
          "500": {
            "$ref": "#/components/responses/Error"
          }
        }
      }
    },
    "/api/v1/contact": {
      "post": {
        "operationId": "sendContactMessage",
        "summary": "Send a contact message",
        "description": "Sends a message to Vo Phu Thinh by email. Rate limited to 5 requests per IP per hour.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": [
                  "from_name",
                  "email_id",
                  "message"
                ],
                "properties": {
                  "from_name": {
                    "type": "string",
                    "description": "Sender name."
                  },
                  "email_id": {
                    "type": "string",
                    "format": "email",
                    "description": "Sender email address."
                  },
                  "message": {
                    "type": "string",
                    "maxLength": 1000,
                    "description": "Message body."
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Message sent.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ContactResult"
                }
              }
            }
          },
          "400": {
            "$ref": "#/components/responses/Error"
          },
          "415": {
            "$ref": "#/components/responses/Error"
          },
          "429": {
            "$ref": "#/components/responses/Error"
          },
          "503": {
            "$ref": "#/components/responses/Error"
          },
          "default": {
            "$ref": "#/components/responses/Error"
          },
          "500": {
            "$ref": "#/components/responses/Error"
          }
        }
      }
    },
    "/api/mcp": {
      "post": {
        "operationId": "callMcpServer",
        "summary": "MCP server (Streamable HTTP)",
        "description": "Model Context Protocol endpoint. Accepts one JSON-RPC 2.0 message per POST. Methods: initialize, ping, tools/list, tools/call. Tools: get_profile, get_skills, list_projects.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/JsonRpcRequest"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "JSON-RPC response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/JsonRpcResponse"
                }
              }
            }
          },
          "202": {
            "description": "Notification accepted; no body."
          },
          "400": {
            "$ref": "#/components/responses/Error"
          },
          "405": {
            "$ref": "#/components/responses/Error"
          },
          "default": {
            "$ref": "#/components/responses/Error"
          },
          "500": {
            "$ref": "#/components/responses/Error"
          }
        }
      }
    }
  },
  "components": {
    "responses": {
      "Error": {
        "description": "Structured error.",
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/Error"
            }
          }
        }
      }
    },
    "schemas": {
      "Error": {
        "type": "object",
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "type": "object",
            "required": [
              "code",
              "message"
            ],
            "properties": {
              "code": {
                "type": "string",
                "description": "Stable machine-readable error code."
              },
              "message": {
                "type": "string",
                "description": "Human-readable explanation."
              },
              "hint": {
                "type": "string",
                "description": "How to fix the request."
              },
              "docs": {
                "type": "string",
                "format": "uri",
                "description": "Documentation URL."
              }
            }
          }
        }
      },
      "Profile": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "company": {
            "type": "string"
          },
          "location": {
            "type": "string"
          },
          "email": {
            "type": "string",
            "format": "email"
          },
          "website": {
            "type": "string",
            "format": "uri"
          },
          "availability": {
            "type": "string"
          },
          "summary": {
            "type": "string"
          },
          "awards": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "languages": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "experience": {
            "type": "array",
            "items": {
              "type": "object"
            }
          }
        }
      },
      "Project": {
        "type": "object",
        "properties": {
          "title": {
            "type": "string"
          },
          "category": {
            "type": "string"
          },
          "summary": {
            "type": "string"
          },
          "problem": {
            "type": "string"
          },
          "solution": {
            "type": "string"
          },
          "stack": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      },
      "Skills": {
        "type": "object",
        "properties": {
          "ai_ml": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "frameworks": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "data": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "infrastructure": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "web": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      },
      "JsonRpcRequest": {
        "type": "object",
        "required": [
          "jsonrpc",
          "method"
        ],
        "properties": {
          "jsonrpc": {
            "const": "2.0"
          },
          "id": {
            "type": [
              "integer",
              "string"
            ]
          },
          "method": {
            "type": "string"
          },
          "params": {
            "type": "object",
            "properties": {
              "name": {
                "type": "string",
                "description": "Tool name for tools/call."
              },
              "arguments": {
                "type": "object",
                "description": "Tool arguments for tools/call."
              }
            }
          }
        }
      },
      "JsonRpcResponse": {
        "type": "object",
        "required": [
          "jsonrpc"
        ],
        "properties": {
          "jsonrpc": {
            "const": "2.0"
          },
          "id": {
            "type": [
              "integer",
              "string",
              "null"
            ]
          },
          "result": {
            "type": "object"
          },
          "error": {
            "type": "object",
            "properties": {
              "code": {
                "type": "integer"
              },
              "message": {
                "type": "string"
              }
            }
          }
        }
      },
      "ContactResult": {
        "type": "object",
        "properties": {
          "success": {
            "type": "boolean"
          },
          "message": {
            "type": "string"
          }
        }
      }
    }
  }
}