Hello World MCP Server (Reference Extension)

{
  "dxt_version": "0.1",
  "name": "hello-world-node",
  "display_name": "Hello World MCP Server (Reference Extension)",
  "version": "0.1.0",
  "description": "A reference MCP extension demonstrating best practices and all available features",
  "long_description": "This is a reference implementation of a Desktop Extension (DXT). It demonstrates all available manifest features, user configuration options, and security best practices. Use this extension as a template when creating your own MCP servers. The extension includes examples of all user configuration types, proper request token verification, and comprehensive metadata fields.",
  "author": {
    "name": "Acme Inc",
    "email": "support@acme.void",
    "url": "https://www.acme.void"
  },
  "repository": {
    "type": "git",
    "url": "https://github.com/acme/my-repo"
  },
  "homepage": "https://docs.acme.void/my-repo/extensions",
  "documentation": "https://docs.acme.void/my-repo/extensions/hello-world",
  "support": "https://github.com/acme/my-repo/issues",
  "icon": "icon.png",
  "server": {
    "type": "node",
    "entry_point": "server/index.js",
    "mcp_config": {
      "command": "node",
      "args": [
        "${__dirname}/server/index.js",
        "--verbose=${user_config.verbose_logging}",
        "--max-results=${user_config.max_results}",
        "--config=${user_config.config_file}",
        "--workspace=${user_config.workspace_directory}"
      ],
      "env": {
        "API_KEY": "${user_config.api_key}",
        "DEBUG": "${user_config.debug_mode}"
      }
    }
  },
  "tools": [
    {
      "name": "get_current_time",
      "description": "Get the current computer time in various formats"
    }
  ],
  "keywords": [
    "reference",
    "example",
    "hello-world",
    "tutorial",
    "mcp",
    "time"
  ],
  "license": "MIT",
  "user_config": {
    "api_key": {
      "type": "string",
      "title": "API Key",
      "description": "Your API key for authentication (example of sensitive string)",
      "sensitive": true,
      "required": false
    },
    "verbose_logging": {
      "type": "boolean",
      "title": "Verbose Logging",
      "description": "Enable detailed logging output",
      "default": false,
      "required": false
    },
    "max_results": {
      "type": "number",
      "title": "Maximum Results",
      "description": "Maximum number of results to return",
      "default": 10,
      "min": 1,
      "max": 100,
      "required": false
    },
    "config_file": {
      "type": "file",
      "title": "Configuration File",
      "description": "Path to a JSON configuration file",
      "required": false
    },
    "workspace_directory": {
      "type": "directory",
      "title": "Workspace Directory",
      "description": "Directory to use as workspace",
      "default": "${HOME}/Documents",
      "required": false
    },
    "debug_mode": {
      "type": "string",
      "title": "Debug Mode",
      "description": "Set debug level (example of non-sensitive string)",
      "default": "info",
      "required": false
    }
  },
  "compatibility": {
    "claude_desktop": ">=0.10.0",
    "platforms": ["darwin", "win32", "linux"],
    "runtimes": {
      "node": ">=16.0.0"
    }
  }
}