# webcomponents-react-mcp-server

Connects an AI agent to API references and guides for UI5 Web Components for React. Use it to inspect components or get help scaffolding an app from your IDE.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed · ★ 543
- Author: UI5
- License: Apache-2.0 · policy=link-only · description only; the file stays with the author
- Source: https://github.com/UI5/webcomponents-react/tree/HEAD/packages/mcp-server
- Updated: 2026-10-23
- HTML: https://affpapa.org/en/nevibecode/mcp/webcomponents-react-mcp-server

## What it does

The server lets an agent browse UI5 Web Components for React components and inspect their APIs, including prop types, event details, and `ref` methods. It can search guides and knowledge-base pages, and its `create_app` tool returns setup steps for Vite or Next.js projects. It also covers public library utilities and provides an `llms.txt` documentation index.

Run it locally with `npx`. The standard connection uses stdio; clients that need HTTP can start the server with `--http`. The HTTP listener binds to `localhost`, and documentation is read from files packaged with the server, so looking up those materials does not require a network request.

You can pin the server to the version used by `@ui5/webcomponents-react`. When that library is upgraded, update the pinned server version too; otherwise its API reference may describe a different release.

## Requirements
- Needs: Node.js (commands run via npx)

## Install

### Claude Code (native platform)

**Platform CLI**
```bash
claude mcp add webcomponents-react-mcp-server -- npx -y @ui5/webcomponents-react-mcp
```

### Codex

**Platform CLI**
```bash
codex mcp add mcp-server -- npx -y @ui5/webcomponents-react-mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "mcp-server": {
            "command": "npx",
            "args": [
                "-y",
                "@ui5/webcomponents-react-mcp"
            ]
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "mcp-server": {
            "type": "stdio",
            "command": "npx",
            "args": [
                "-y",
                "@ui5/webcomponents-react-mcp"
            ]
        }
    }
}
```

### Gemini CLI

**Platform CLI**
```bash
gemini mcp add mcp-server npx -y @ui5/webcomponents-react-mcp
```

## When to use it
- find components by category or package
- inspect a component’s props, events, and ref methods
- look up guidance on styling or slots
- scaffold a Vite or Next.js application

## Example prompts
- Find the available input components and show their import examples.
- Explain the props, events, and ref methods for `AnalyticalTable`.
- Set up a Vite app using UI5 Web Components for React.

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