{
  "openapi": "3.1.0",
  "info": {
    "title": "EXP Bank Calculator API",
    "version": "1.0.0",
    "description": "Read-only JSON resources for the EXP Bank Calculator. Use the browser WebMCP tool calculate-exp-growth for arbitrary growth calculations because the current GitHub Pages deployment has no request-time server.",
    "contact": {
      "name": "EXP Calculator",
      "url": "https://torturado.github.io/contact",
      "email": "expcalculator.cupped755@passinbox.com"
    },
    "license": {
      "name": "Terms of Service",
      "url": "https://torturado.github.io/terms"
    }
  },
  "servers": [
    {
      "url": "https://torturado.github.io",
      "description": "Public GitHub Pages deployment"
    }
  ],
  "externalDocs": {
    "description": "EXP Bank Calculator API docs",
    "url": "https://torturado.github.io/docs"
  },
  "paths": {
    "/api/info.json": {
      "get": {
        "tags": [
          "metadata"
        ],
        "summary": "Read calculator assumptions",
        "description": "Returns the rate, formula, time normalization, supported calculation access methods, and links to the agent guide.",
        "operationId": "getCalculatorInfo",
        "responses": {
          "200": {
            "description": "Calculator assumptions and discovery links.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/CalculatorInfo"
                }
              }
            }
          },
          "404": {
            "description": "The requested API resource was not found.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "default": {
            "$ref": "#/components/responses/UnexpectedError"
          }
        }
      }
    },
    "/api/ranks.json": {
      "get": {
        "tags": [
          "metadata"
        ],
        "summary": "List EXP Discord rank thresholds",
        "description": "Returns the rank names, minimum gem balances, display labels, and daily interest rate used by the calculator.",
        "operationId": "listExpRanks",
        "responses": {
          "200": {
            "description": "The rank threshold list.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/RankList"
                }
              }
            }
          },
          "404": {
            "description": "The requested API resource was not found.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "default": {
            "$ref": "#/components/responses/UnexpectedError"
          }
        }
      }
    }
  },
  "components": {
    "responses": {
      "UnexpectedError": {
        "description": "The server could not complete the request.",
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/ErrorResponse"
            },
            "example": {
              "error": {
                "code": "internal_error",
                "message": "The request could not be completed.",
                "resolution": "Retry the request. If the problem persists, read the API docs or contact EXP Calculator support."
              }
            }
          }
        }
      }
    },
    "schemas": {
      "ExpRank": {
        "type": "object",
        "description": "A Discord rank threshold used by the calculator.",
        "additionalProperties": false,
        "required": [
          "name",
          "minGems",
          "displayValue"
        ],
        "properties": {
          "name": {
            "type": "string",
            "description": "Rank name."
          },
          "minGems": {
            "type": "string",
            "description": "Minimum gem balance as a decimal string."
          },
          "displayValue": {
            "type": "string",
            "description": "Human-readable threshold label."
          }
        }
      },
      "RankList": {
        "type": "object",
        "description": "The rank thresholds and rate used by the calculator.",
        "additionalProperties": false,
        "required": [
          "name",
          "dailyInterestRate",
          "ranks"
        ],
        "properties": {
          "name": {
            "type": "string",
            "const": "EXP Bank Calculator"
          },
          "dailyInterestRate": {
            "type": "string",
            "const": "0.003"
          },
          "ranks": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/ExpRank"
            }
          }
        }
      },
      "CalculatorInfo": {
        "type": "object",
        "description": "Calculator assumptions and agent access methods.",
        "additionalProperties": false,
        "required": [
          "name",
          "description",
          "url",
          "dailyInterestRate",
          "dailyInterestPercent",
          "formula",
          "timeNormalization",
          "calculationAccess",
          "links"
        ],
        "properties": {
          "name": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "url": {
            "type": "string",
            "format": "uri"
          },
          "dailyInterestRate": {
            "type": "string"
          },
          "dailyInterestPercent": {
            "type": "string"
          },
          "formula": {
            "type": "string"
          },
          "timeNormalization": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "yearDays",
              "monthDays",
              "hoursPerDay",
              "minutesPerDay",
              "secondsPerDay"
            ],
            "properties": {
              "yearDays": {
                "type": "integer",
                "const": 365
              },
              "monthDays": {
                "type": "integer",
                "const": 30
              },
              "hoursPerDay": {
                "type": "integer",
                "const": 24
              },
              "minutesPerDay": {
                "type": "integer",
                "const": 1440
              },
              "secondsPerDay": {
                "type": "integer",
                "const": 86400
              }
            }
          },
          "calculationAccess": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "staticJson",
              "webMcp",
              "webMcpTools"
            ],
            "properties": {
              "staticJson": {
                "type": "boolean",
                "const": false
              },
              "webMcp": {
                "type": "boolean",
                "const": true
              },
              "webMcpTools": {
                "type": "array",
                "items": {
                  "type": "string",
                  "enum": [
                    "calculate-exp-growth",
                    "list-exp-ranks"
                  ]
                }
              }
            }
          },
          "links": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "documentation",
              "openapi",
              "agentGuide"
            ],
            "properties": {
              "documentation": {
                "type": "string",
                "format": "uri"
              },
              "openapi": {
                "type": "string",
                "format": "uri"
              },
              "agentGuide": {
                "type": "string",
                "format": "uri"
              }
            }
          }
        }
      },
      "ErrorResponse": {
        "type": "object",
        "description": "Structured error returned by a request-time API.",
        "additionalProperties": false,
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "code",
              "message",
              "resolution"
            ],
            "properties": {
              "code": {
                "type": "string",
                "description": "Stable machine-readable error code.",
                "enum": [
                  "invalid_request",
                  "not_found",
                  "internal_error"
                ]
              },
              "message": {
                "type": "string",
                "description": "Short explanation of the failure."
              },
              "resolution": {
                "type": "string",
                "description": "Specific next step for the caller."
              }
            }
          }
        }
      }
    }
  }
}