{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://lihaorui.com/awesome-agent-native-services/catalog.schema.json",
  "title": "Awesome Agent-Native Services Catalog",
  "description": "The deterministic machine-readable contract generated from the catalog's Markdown service dossiers.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "$schema",
    "schema_version",
    "catalog_version",
    "generated_at",
    "license",
    "source",
    "counts",
    "categories",
    "services"
  ],
  "properties": {
    "$schema": {
      "const": "https://lihaorui.com/awesome-agent-native-services/catalog.schema.json"
    },
    "schema_version": {
      "const": "1.0.0"
    },
    "catalog_version": {
      "type": "string",
      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}$"
    },
    "generated_at": {
      "description": "Deterministic catalog snapshot date inherited from skill.md, not the local build clock.",
      "type": "string",
      "format": "date"
    },
    "license": {
      "const": "CC0-1.0"
    },
    "source": {
      "$ref": "#/$defs/source"
    },
    "counts": {
      "$ref": "#/$defs/counts"
    },
    "categories": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/category"
      }
    },
    "services": {
      "type": "array",
      "minItems": 1,
      "items": {
        "$ref": "#/$defs/service"
      }
    }
  },
  "$defs": {
    "http_url": {
      "type": "string",
      "format": "uri",
      "pattern": "^https?://"
    },
    "nullable_http_url": {
      "oneOf": [
        {
          "$ref": "#/$defs/http_url"
        },
        {
          "type": "null"
        }
      ]
    },
    "nullable_date": {
      "oneOf": [
        {
          "type": "string",
          "format": "date"
        },
        {
          "type": "null"
        }
      ]
    },
    "source": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "repository",
        "branch",
        "catalog_path",
        "service_directory",
        "content_digest"
      ],
      "properties": {
        "repository": {
          "$ref": "#/$defs/http_url"
        },
        "branch": {
          "const": "main"
        },
        "catalog_path": {
          "const": "skill.md"
        },
        "service_directory": {
          "const": "services"
        },
        "content_digest": {
          "$ref": "#/$defs/content_digest"
        }
      }
    },
    "content_digest": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "algorithm",
        "value",
        "input_paths"
      ],
      "properties": {
        "algorithm": {
          "const": "sha256"
        },
        "value": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "input_paths": {
          "type": "array",
          "minItems": 1,
          "uniqueItems": true,
          "items": {
            "type": "string",
            "pattern": "^(README\\.md|skill\\.md|services/[a-z0-9-]+/(README|[a-z0-9-]+)\\.md)$"
          }
        }
      }
    },
    "counts": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "categories",
        "services"
      ],
      "properties": {
        "categories": {
          "type": "integer",
          "minimum": 1
        },
        "services": {
          "type": "integer",
          "minimum": 1
        }
      }
    },
    "category": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "name",
        "description",
        "dossier",
        "service_count"
      ],
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
        },
        "name": {
          "type": "string",
          "minLength": 1
        },
        "description": {
          "type": "string",
          "minLength": 1
        },
        "dossier": {
          "$ref": "#/$defs/http_url"
        },
        "service_count": {
          "type": "integer",
          "minimum": 1
        }
      }
    },
    "onboarding": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "type",
        "pattern",
        "instruction",
        "url"
      ],
      "properties": {
        "type": {
          "enum": [
            "url",
            "agent-skill",
            "mcp",
            "cli",
            "sdk",
            "api",
            "documentation",
            "other",
            "unspecified"
          ]
        },
        "pattern": {
          "type": [
            "string",
            "null"
          ]
        },
        "instruction": {
          "type": [
            "string",
            "null"
          ]
        },
        "url": {
          "$ref": "#/$defs/nullable_http_url"
        }
      }
    },
    "integration_status": {
      "enum": [
        "available",
        "optional",
        "planned",
        "unavailable",
        "not-applicable",
        "unknown"
      ]
    },
    "protocol": {
      "enum": [
        "url-onboarding",
        "agent-skill",
        "mcp",
        "rest",
        "graphql",
        "grpc",
        "websocket",
        "webhook",
        "cli",
        "sdk",
        "a2a",
        "acp",
        "openapi",
        "json-rpc",
        "stdio",
        "http",
        "api",
        "documentation"
      ]
    },
    "service": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "slug",
        "name",
        "tagline",
        "classification",
        "status",
        "lifecycle_status",
        "category",
        "website",
        "repository",
        "dossier",
        "source_path",
        "onboarding",
        "protocols",
        "mcp_status",
        "agent_skill_status",
        "latest_month_signal",
        "verified_at",
        "verification_sources"
      ],
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*/[a-z0-9]+(?:-[a-z0-9]+)*$"
        },
        "slug": {
          "type": "string",
          "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
        },
        "name": {
          "type": "string",
          "minLength": 1
        },
        "tagline": {
          "type": [
            "string",
            "null"
          ]
        },
        "classification": {
          "const": "agent-native"
        },
        "status": {
          "description": "Catalog membership state; this does not assert upstream service health.",
          "const": "listed"
        },
        "lifecycle_status": {
          "description": "Upstream lifecycle only when explicitly stated in the dossier; unknown is not an availability claim.",
          "enum": [
            "active",
            "offline",
            "sunset",
            "unknown"
          ]
        },
        "category": {
          "type": "string",
          "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
        },
        "website": {
          "$ref": "#/$defs/nullable_http_url"
        },
        "repository": {
          "$ref": "#/$defs/nullable_http_url"
        },
        "dossier": {
          "$ref": "#/$defs/http_url"
        },
        "source_path": {
          "type": "string",
          "pattern": "^services/[a-z0-9-]+/[a-z0-9-]+\\.md$"
        },
        "onboarding": {
          "$ref": "#/$defs/onboarding"
        },
        "protocols": {
          "type": "array",
          "minItems": 1,
          "uniqueItems": true,
          "items": {
            "$ref": "#/$defs/protocol"
          }
        },
        "mcp_status": {
          "$ref": "#/$defs/integration_status"
        },
        "agent_skill_status": {
          "$ref": "#/$defs/integration_status"
        },
        "latest_month_signal": {
          "type": [
            "string",
            "null"
          ]
        },
        "verified_at": {
          "$ref": "#/$defs/nullable_date"
        },
        "verification_sources": {
          "type": "array",
          "uniqueItems": true,
          "items": {
            "$ref": "#/$defs/http_url"
          }
        }
      },
      "allOf": [
        {
          "if": {
            "properties": {
              "website": {
                "type": "null"
              }
            },
            "required": [
              "website"
            ]
          },
          "then": {
            "properties": {
              "lifecycle_status": {
                "enum": [
                  "offline",
                  "sunset"
                ]
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "verified_at": {
                "type": "string"
              }
            },
            "required": [
              "verified_at"
            ]
          },
          "then": {
            "properties": {
              "verification_sources": {
                "minItems": 1
              }
            }
          },
          "else": {
            "properties": {
              "verification_sources": {
                "maxItems": 0
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "lifecycle_status": {
                "const": "active"
              }
            },
            "required": [
              "lifecycle_status"
            ]
          },
          "then": {
            "properties": {
              "verified_at": {
                "type": "string"
              },
              "verification_sources": {
                "minItems": 1
              }
            }
          }
        }
      ]
    }
  }
}