const SiteClient = require('datocms-client').SiteClient;
const client = new SiteClient('YOUR-API-TOKEN');
client.plugins.all()
.then((plugins) => {
    plugins.forEach((plugin) => {
      console.log(plugin);
    });
  })
.catch((error) => {
  console.error(error);
});

> node example.js
{
  "id": "124",
  "name": "5 stars",
  "description": "A simple field editor that allows a nicer editing rating experience",
  "packageName": "datocms-plugin-star-rating-editor",
  "packageVersion": "0.0.4",
  "pluginType": "field_editor",
  "fieldTypes": [
    "integer",
    "float"
  ],
  "url": "https://cdn.rawgit.com/datocms/extensions/master/samples/five-stars/extension.js",
  "parameters": {
    "devMode": true
  },
  "parameterDefinitions": {
    "global": [
      {
        "id": "devMode",
        "type": "boolean",
        "label": "Run in development mode"
      }
    ],
    "instance": [
      {
        "id": "halfStars",
        "type": "boolean",
        "label": "Allow half stars ratings?",
        "default": false,
        "hint": "If enabled, rate using whole stars, if enabled, it doesn't use half-steps"
      },
      {
        "id": "totalStars",
        "type": "integer",
        "label": "Amount of stars to show",
        "default": 5,
        "hint": ""
      }
    ]
  }
}