{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/grittyninja/umcp/main/umcp.config.schema.json",
  "title": "umcp.config.jsonc",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "categories"
  ],
  "properties": {
    "$schema": {
      "type": "string"
    },
    "categories": {
      "type": "object",
      "minProperties": 1,
      "propertyNames": {
        "pattern": "^[a-zA-Z0-9_-]+$"
      },
      "additionalProperties": {
        "$ref": "#/$defs/category"
      }
    }
  },
  "$defs": {
    "category": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "providers"
      ],
      "properties": {
        "providers": {
          "type": "array",
          "minItems": 1,
          "items": {
            "$ref": "#/$defs/provider"
          }
        }
      }
    },
    "provider": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "name"
      ],
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1,
          "pattern": "^[a-zA-Z0-9_-]+$"
        },
        "transport": {
          "type": "string",
          "enum": [
            "stdio",
            "sse",
            "streamable-http"
          ],
          "default": "stdio"
        },
        "command": {
          "type": "string",
          "minLength": 1
        },
        "args": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "url": {
          "type": "string",
          "format": "uri"
        },
        "env": {
          "type": "object",
          "additionalProperties": {
            "oneOf": [
              {
                "type": "string"
              },
              {
                "type": "array",
                "minItems": 1,
                "items": {
                  "type": "string",
                  "minLength": 1
                }
              }
            ]
          }
        },
        "tools": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/toolMapping"
          }
        }
      },
      "allOf": [
        {
          "if": {
            "not": {
              "required": [
                "transport"
              ]
            }
          },
          "then": {
            "required": [
              "command"
            ]
          }
        },
        {
          "if": {
            "required": [
              "transport"
            ],
            "properties": {
              "transport": {
                "const": "stdio"
              }
            }
          },
          "then": {
            "required": [
              "command"
            ]
          }
        },
        {
          "if": {
            "required": [
              "transport"
            ],
            "properties": {
              "transport": {
                "enum": [
                  "sse",
                  "streamable-http"
                ]
              }
            }
          },
          "then": {
            "required": [
              "url"
            ]
          }
        }
      ]
    },
    "toolMapping": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "upstream"
      ],
      "properties": {
        "upstream": {
          "type": "string",
          "minLength": 1
        },
        "alias": {
          "type": "string",
          "minLength": 1,
          "pattern": "^[a-zA-Z0-9_-]+$"
        },
        "enabled": {
          "type": "boolean",
          "default": true
        }
      }
    }
  }
}