Using the Stitch SDK The Stitch SDK provides a TypeScript interface for Google Stitch, an AI-powered UI generation service. Installation Environment Variables Quick Start The singleton reads from the environment and connects on first use — no setup code required. Working with Projects Design Systems Uploading Images Upload an existing image file (PNG, JPG, JPEG, WEBP) to create a screen directly from a mockup or asset. The method reads the file from disk and posts it directly to the Stitch REST API — no output token constraints apply (unlike agent-driven MCP calls). Supported formats: , , , O…