{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://modelcontextprotocol.io/schemas/draft/2025-07-09/registry-server.json",
  "title": "MCP Server Detail - Registry Schema",
  "description": "Registry-specific constraints for MCP server representation. Extends the base schema with additional validation rules.",
  "$ref": "https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json",
  "properties": {
    "repository": {
      "properties": {
        "source": {
          "enum": [
            "github"
          ]
        }
      }
    },
    "packages": {
      "items": {
        "properties": {
          "registry_type": {
            "enum": [
              "npm",
              "pypi", 
              "oci",
              "nuget",
              "mcpb"
            ]
          },
          "registry_base_url": {
            "enum": [
              "https://registry.npmjs.org",
              "https://pypi.org",
              "https://docker.io", 
              "https://api.nuget.org",
              "https://github.com",
              "https://gitlab.com"
            ]
          },
          "runtime_hint": {
            "enum": [
              "npx",
              "uvx",
              "docker",
              "dnx"
            ]
          }
        }
      }
    }
  }
}