Sleek

Connect it to your AI

Claude Code

claude mcp add --transport http sleek https://sleek.design/api/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://sleek.design/api/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "sleek": {
      "url": "https://sleek.design/api/mcp"
    }
  }
}

Tools it offers

15 tools, as the server itself reported during our check on Oct 31, 2026.

• list_projectsList the workspace's projects, newest first. Each project holds one app's screens, theme, and design chat. Check here before create_project to avoid duplicates.
• create_projectCreate an empty project. Returns it in data, plus projectUrl. Pass data.id as projectId to design, then call show_project once the run completes. Creating a project is instant and uses no credits. Only design runs do. Sh
• get_projectFetch a project and its projectUrl. Use it to confirm the project exists and share the URL with your user. Use list_components to see its screens.
• delete_projectPermanently delete a project and all its screens. Designs cannot be recovered. Call only after your user confirms the exact project by name. Never delete projects to tidy up on your own initiative.
• list_componentsList a project's screen names and active version numbers without generated HTML. Pass each item's screenId to design. Pass its id as componentId to get_component or in componentIds to screenshot. Use get_component only w
• get_componentFetch a screen's generated HTML. Returns the screen in data, with the HTML at data.versions[].code. versions holds only the version the screen currently shows. Use allVersions for the full history, which can be large. Th
• list_referencesList curated app styles and their preview images. When your user asks for a look such as Airbnb, brutalist, or dark fintech, pass the closest reference's id as referenceId to design. Without a reference, the agent picks
• designRun Sleek's design agent to create or edit screens from a plain-language brief. Send the whole request as ONE message, such as 'a food delivery app with onboarding, restaurants, dish detail, cart, tracking, and profile'.
• get_design_runPoll a run that design returned as 'queued' or 'running'. Wait a few seconds between polls. On 'completed', data.result.operations lists the saved screens and theme changes. Call show_project with this runId to show your
• cancel_design_runAsk a design run to stop, for example when the brief was wrong. Returns the run as it stands right after the request. A queued run comes back 'failed' with error code 'cancelled' and never starts. A running run comes bac
• screenshotRender up to four project screens side by side as one inline image, for clients that cannot show apps. Where your client can, call show_project instead. Returns the image, PNG unless format asks for WebP, and a one-line
• show_projectShows your user a project's screens inline, in canvas order. They can enlarge a screen, add screens to this chat, and open the project in Sleek. After a design run completes, call it with that runId to show what the run
• search_mentionsFind the workspace's projects by name for an @ mention, newest first. Each item is a resource link whose name is the projectId and whose uri is the projectUrl. To browse every project, use list_projects.
• get_project_viewCalled by Sleek's screen viewer to load a project's screens, in canvas order, with their images and the viewer's text. To read screens yourself, use list_components.
• open_sleekCalled by ChatGPT's sidebar and Sleek's widget to show the workspace's newest projects, each with a cover. To list projects yourself, use list_projects.

Questions