Stitch together MCP server, React UI, hosting, auth, and scaling.

npx create-mcp-use-app scaffolds the whole stack.

Test by connecting to a live LLM and hoping.

Visual Inspector. Sandbox testing. No LLM required.

Manage your own deployment pipeline and branch previews.

git push auto-deploys via the GitHub App.

Build for ChatGPT or Claude or Gemini — separately.

Build once. Deploy to ChatGPT, Claude, and Gemini.