npm install @google/stitch-sdk

export STITCH_API_KEY="your-api-key"

import { stitch } from '@google/stitch-sdk';

const project = await stitch.createProject("My App");
const screen = await project.generate("A settings page with dark theme");
const html = await screen.getHtml();     // download URL for the HTML
const imageUrl = await screen.getImage(); // download URL for the screenshot

import { stitch } from '@google/stitch-sdk';

// List all projects
const projects = await stitch.projects();

// Reference a project by ID (no network call)
const project = stitch.project("4044680601076201931");

// Create a new project
const newProject = await stitch.createProject("My App");

// Generate a new screen from a prompt
const screen = await project.generate("Login page with email and password fields");

// Edit an existing screen
const edited = await screen.edit("Make the background dark and add a subtitle");

// Generate variants of a screen
const variants = await screen.variants("Try different color schemes", {
  variantCount: 2,
  creativeRange: "EXPLORE",
  aspects: ["COLOR_SCHEME", "LAYOUT"],
});

// Get screen HTML download URL
const html = await screen.getHtml();

// Get screen screenshot download URL
const imageUrl = await screen.getImage();

import { StitchToolClient } from '@google/stitch-sdk';

const client = new StitchToolClient(); // reads STITCH_API_KEY from env
const tools = await client.listTools();
const result = await client.callTool("generate_screen_from_text", {
  projectId: "123", prompt: "A login page"
});
await client.close();

import { stitch, StitchError } from '@google/stitch-sdk';

try {
  const project = stitch.project("bad-id");
  await project.screens();
} catch (e) {
  if (e instanceof StitchError) {
    console.log(e.code);        // "AUTH_FAILED", "NOT_FOUND", etc.
    console.log(e.message);     // Human-readable description
    console.log(e.recoverable); // Whether retrying might succeed
  }
}

import { Stitch, StitchToolClient } from '@google/stitch-sdk';

const client = new StitchToolClient({
  apiKey: "your-api-key",
  baseUrl: "https://stitch.googleapis.com/mcp",
  timeout: 300_000,
});

const sdk = new Stitch(client);
const projects = await sdk.projects();