MCP server

Sleek Official

design.sleek/sleek

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Design your mobile app UI with AI, then have your coding agent build the real app from it.

Website Source

At a glance

Type

MCP server

Publisher

sleek.design (verified by the MCP Registry)

Status

Working at last check

Tools

12

Token cost

About 3,282 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.sleek]
url = "https://sleek.design/api/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"sleek":{"type":"http","url":"https://sleek.design/api/mcp"}}}

Antigravity

agy mcp add sleek https://sleek.design/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"sleek","server_url":"https://sleek.design/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"sleek","server_url":"https://sleek.design/api/mcp"}

Tools

• cancel_design_run ~359 tokens
  Ask 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 back still 'running' and stops at its next step. A run cut short settles as 'failed
• create_project ~149 tokens
  Create an empty project. Returns it in data, plus projectUrl. Pass data.id as projectId to design, then call screenshot. Creating a project is instant and uses no credits. Only design runs do. Share projectUrl so your user can watch and edit the designs.
• delete_project Deletes data · ~184 tokens
  Permanently 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.
• design ~684 tokens
  Run 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'. The agent plans the screens together, so separate calls produce mismatched scre
• get_component ~322 tokens
  Fetch 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. The returned screenId is the value design takes. Use this for a build handoff, not
• get_design_run ~250 tokens
  Poll 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. Share projectUrl and call screenshot. On 'failed', relay data.error.message to your user, with data.error.url if present. A fa
• get_project ~124 tokens
  Fetch 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.
• list_components ~225 tokens
  List 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 when you need a screen's code.
• list_projects ~157 tokens
  List 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.
• list_references ~177 tokens
  List 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 a style.
• screenshot Browses the web · ~510 tokens
  Render up to four project screens side by side as one inline image, after a design run completes. Returns the image, PNG unless format asks for WebP, and a one-line text note. Rendering uses no credits. Send projectUrl with the image so your user can open and edit the designs.
• search_mentions ~141 tokens
  Find 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.

Browse

• Website screenshots
• Mobile apps

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