PromptUI

Build a working web app from a prompt, then deploy it to a live URL.

CommunityOnlineAPI key requiredGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    An API key from the service settings is required

    Build a working web app from a prompt, then deploy it to a live URL.

    How to connect

    How to connect PromptUI to Claude

    The server address to paste into Claude settings:

    https://www.promptui.co/api/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect PromptUI to ChatGPT

    The server address to paste into ChatGPT settings:

    https://www.promptui.co/api/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect PromptUI to Cursor

    The server address to paste into Cursor settings:

    https://www.promptui.co/api/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (11)

    Raw names from tools/list. Only developers need these.

    echoEcho back the input (for testing MCP integration)
    web_scoutResearch the live web: search for information, read documentation, fetch API references, or verify library usage. Returns structured findings as markdown.
    shadcn_uiGet production-quality shadcn/ui component code pre-adapted for the Sandpack preview environment. Available components: accordion, dropdown_menu, dialog, sheet, tooltip, progress, separator, scroll_area, skeleton, alert. Returns ready-to-use JS code with correct imports. Use this instead of building complex UI primitives from scratch.
    build_appBuild a working web app from a prompt with PromptUI. Starts an asynchronous build (costs credits from the authenticated account) and returns a buildId — poll get_build_status for progress and the preview link.
    get_build_statusCheck the status of a PromptUI build started with build_app. Returns building / needs_clarification / completed (with a shareable previewUrl) / failed.
    deploy_appDeploy a completed PromptUI build to a live URL. The first deploy of each app is charged; redeploying that same app is free.
    list_buildsList the authenticated user's recent PromptUI builds with their statuses.
    gtm_list_contentList GTM queue items for the authenticated PromptUI user.
    gtm_get_analyticsRead current PromptUI GTM channel analytics and workspace-scoped verified commerce outcomes. Attribution is reported separately from causality; unavailable spend/cost coverage stays explicit.
    gtm_publish_contentPublish one GTM content item to a connected social platform.
    gtm_generate_contentGenerate and persist a new GTM content draft for the authenticated user.