{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://cdn.agentclientprotocol.com/registry/v1/latest/agent.schema.json",
  "title": "ACP Agent",
  "description": "Schema for ACP agent registry entries",
  "type": "object",
  "required": ["id", "name", "version", "description", "distribution"],
  "if": {
    "properties": {
      "id": { "const": "dimcode" }
    },
    "required": ["id"]
  },
  "else": {
    "required": ["license_url"]
  },
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9-]*$",
      "description": "Unique agent identifier (lowercase, hyphens allowed)"
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "description": "Display name"
    },
    "version": {
      "type": "string",
      "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$",
      "description": "Semantic version of the stable release channel"
    },
    "description": {
      "type": "string",
      "minLength": 1,
      "description": "Brief description of the agent"
    },
    "repository": {
      "type": "string",
      "format": "uri",
      "description": "Source code repository URL"
    },
    "website": {
      "type": "string",
      "format": "uri",
      "description": "Project homepage or documentation URL"
    },
    "authors": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "List of authors"
    },
    "license": {
      "type": "string",
      "description": "SPDX license identifier or 'proprietary'"
    },
    "license_url": {
      "type": "string",
      "format": "uri",
      "description": "URL to the license text or terms of service"
    },
    "icon": {
      "type": "string",
      "description": "Icon URL (set automatically by the build from the required icon.svg file)"
    },
    "distribution": {
      "type": "object",
      "minProperties": 1,
      "properties": {
        "binary": {
          "$ref": "#/definitions/binaryDistribution"
        },
        "npx": {
          "$ref": "#/definitions/packageDistribution"
        },
        "uvx": {
          "$ref": "#/definitions/packageDistribution"
        }
      },
      "additionalProperties": false
    },
    "preview": {
      "$ref": "#/definitions/previewChannel"
    }
  },
  "definitions": {
    "previewChannel": {
      "type": "object",
      "description": "Optional preview (unstable) release channel. Holds only the version and the artifact locations; all other metadata is shared with the stable entry.",
      "required": ["version", "distribution"],
      "properties": {
        "version": {
          "type": "string",
          "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+(-preview\\.[0-9]+)?$",
          "description": "Newest known version for the preview channel: X.Y.Z-preview.N, or a plain X.Y.Z release when the stable channel is ahead of the preview line"
        },
        "distribution": {
          "type": "object",
          "minProperties": 1,
          "description": "Preview artifact locations.",
          "properties": {
            "binary": {
              "$ref": "#/definitions/binaryDistribution"
            },
            "npx": {
              "$ref": "#/definitions/packageDistribution"
            },
            "uvx": {
              "$ref": "#/definitions/packageDistribution"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },
    "binaryDistribution": {
      "type": "object",
      "minProperties": 1,
      "additionalProperties": {
        "$ref": "#/definitions/binaryTarget"
      },
      "propertyNames": {
        "enum": [
          "darwin-aarch64",
          "darwin-x86_64",
          "linux-aarch64",
          "linux-aarch64-musl",
          "linux-x86_64",
          "linux-x86_64-musl",
          "windows-aarch64",
          "windows-x86_64"
        ]
      }
    },
    "binaryTarget": {
      "type": "object",
      "required": ["archive", "cmd"],
      "properties": {
        "archive": {
          "type": "string",
          "format": "uri",
          "description": "URL to download archive (.zip, .tar.gz, .tgz, .tar.bz2, .tbz2, or raw binary). Installer formats (.dmg, .pkg, .deb, .rpm) are not supported."
        },
        "sha256": {
          "type": "string",
          "pattern": "^[a-fA-F0-9]{64}$",
          "description": "Optional SHA-256 checksum of the archive (hex-encoded, 64 characters)"
        },
        "cmd": {
          "type": "string",
          "description": "Command to execute after extraction"
        },
        "args": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Command line arguments"
        },
        "env": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          },
          "description": "Environment variables"
        }
      },
      "additionalProperties": false
    },
    "packageDistribution": {
      "type": "object",
      "required": ["package"],
      "properties": {
        "package": {
          "type": "string",
          "minLength": 1,
          "description": "Package name (with optional version)"
        },
        "args": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Command line arguments"
        },
        "env": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          },
          "description": "Environment variables"
        }
      },
      "additionalProperties": false
    }
  }
}