Sleek MCP Server

Install Sleek MCP server

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

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

{
  "mcpServers": {
    "sleekdotdesign": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://sleek.design/api/mcp"
      ]
    }
  }
}

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

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

Context tax

Connecting this server adds ~2,762 tokens of tool definitions to every model turn (moderate, 11 tools). Measured 2026-10-19 via its hosted endpoint; o200k tokenizer, worst case for clients that load all tools up front. How we measure

Input prices as of 2026-10-06. Excludes your own prompt and output.

Tools (11)

• design522 tok

  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 screens. A run uses workspace credits only when it completes or saves changes. By default this waits for the run to finish. If it returns 'queued' or 'running', poll get_design_run. Only one run can be active per project. On CONFLICT, poll get_design_run until the run settles, then retry. cancel_design_

• screenshot408 tok

  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.

• cancel_design_run280 tok

  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' with error code 'cancelled', or 'execution_failed' if saving its changes failed. It keeps any screens and theme changes it saved, listed in data.result.operations, and uses credits only when that list is not empty. A run that finishes before it stops settles as 'completed'. A run that had already

• get_component245 tok

  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 to check whether a design run worked.

• get_design_run199 tok

  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', read data.error.message and send your user to data.error.url if present. A failed run, including a cancelled one, keeps what it saved in that same list and uses credits only when the list is not empty. Check it before resending the brief.

• list_components177 tok

  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_references145 tok

  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.

• delete_project137 tok

  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.

• list_projects127 tok

  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.

• create_project119 tok

  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.

• get_project97 tok

  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.

Security signals

100/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal 3d ago. The newest of the signals below sets the band.

1. Last commit (default branch)

   2026-10-15 · 3d ago · GitHub

2. Latest release

   no data · GitHub

3. Package published

   no data · npm/PyPI

4. Registry entry updated

   2026-10-15 · 3d ago · official registry · v1.0.1

How it compares in Design

Against the most-starred design servers we index. Token cost is per model turn, measured from each server's live tool list.