Google Stitch MCP, Google's hosted Stitch server

• Lists your Stitch projects

  Shows all the Stitch projects you can reach, by default the ones you own; it can also show projects shared with you.

  Try: “Show me my Stitch projects”

  Read · list_projects

• Shows the details of one Stitch project

  Fetches one project's details, including its screens, so the assistant can work with them.

  Try: “Open my Fitness App project in Stitch and tell me what's in it”

  Read · get_project

• Lists the screens in a project

  Returns every screen inside a Stitch project.

  Try: “List the screens in my checkout flow project”

  Read · list_screens

• Fetches one screen's details, such as its code and image

  Retrieves a single screen from a project so the assistant can read it, for example to build it in your codebase.

  Try: “Get the login screen from my Stitch project and build it in React”

  Read · get_screen

• Designs a new screen from your description

  Creates a new UI screen in a project from a text prompt, using Gemini 3 Flash or Gemini 3.1 Pro. It usually takes a few minutes.

  Try: “Design a mobile onboarding screen for a meditation app with a calm blue palette”

  Write · generate_screen_from_text

• Changes existing screens from your instructions

  Edits one or more screens in a project based on a text instruction. Like generation, it can take a few minutes.

  Try: “Make the buttons on the home screen larger and add a search bar to the header”

  Write · edit_screens

• Creates alternative versions of a screen

  Generates design variants of existing screens, guided by your prompt and how many and how different you want them.

  Try: “Give me three bolder variants of the pricing screen”

  Write · generate_variants

• Creates a new Stitch project

  Makes a new, empty project to hold screens and frontend code.

  Try: “Create a Stitch project called Recipe App”

  Write · create_project

• Creates a design system with colors, fonts and shapes

  Sets up a new design system of colors, typography, shapes and appearance that can apply across screens.

  Try: “Create a design system with a warm orange accent and rounded corners”

  Write · create_design_system

• Lists the design systems in a project

  Shows the design systems for a project, or global ones if no project is given.

  Try: “Which design systems does my Recipe App project have?”

  Read · list_design_systems

• Restyles screens to match a design system

  Applies a design system to chosen screens, changing their colors, fonts and shapes to match.

  Try: “Apply my brand design system to all screens in this project”

  Write · apply_design_system

• Changes an existing design system

  Updates the colors, fonts or other settings of a design system you already have.

  Try: “Change the primary color in my design system to dark green”

  Write · update_design_system

• Uploads a DESIGN.md file to a project

  Sends a DESIGN.md file describing your design rules to a Stitch project, the first step before turning it into a design system.

  Try: “Upload our DESIGN.md to the Recipe App project”

  Write · upload_design_md

• Turns an uploaded DESIGN.md into a design system

  Builds a design system from a DESIGN.md file you uploaded and shows it in Stitch.

  Try: “Create a design system from the DESIGN.md I just uploaded”

  Write · create_design_system_from_design_md

Watch out for

• It can change your Stitch designs

  Edit, variant and design-system tools change existing screens and projects. There are no delete tools. stitch.withgoogle.com

• The API key never expires on its own

  It works until you delete it in Stitch Settings. Keep it out of shared repos and project config files. stitch.withgoogle.com

• Sign-in tokens expire every hour

  With the Google Cloud sign-in method, the token lasts about an hour and you paste a new one into your config. stitch.withgoogle.com

Security advisories