# syncfusion-react-blockeditor

A skill that walks your agent through the Syncfusion React BlockEditor: block-based content editing with menus, drag-and-drop and Yjs collaboration.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · 701 installs · ★ 3
- Author: Syncfusion Inc
- License: not stated · policy=link-only · description only; the file stays with the author
- Source: https://github.com/syncfusion/react-ui-components-skills/tree/HEAD/skills/syncfusion-react-blockeditor/SKILL.md
- Updated: 2026-10-23
- HTML: https://affpapa.org/en/nevibecode/skills/syncfusion-react-blockeditor

## What it does

The skill covers `BlockEditorComponent` from the `@syncfusion/ej2-react-blockeditor` package. Content lives in discrete blocks: paragraphs, headings, lists, tables, code, quotes, callouts and collapsible sections. Blocks can be reordered by dragging, and the document exports to JSON, HTML or plain text.

It ships as a set of reference files the agent reads on demand: getting started, built-in block types, menus and slash commands, drag-and-drop, `@mention` and labels, methods and API, styling, advanced features. One file is dedicated to collaborative editing — Yjs setup, providers such as `y-websocket`, a WebSocket server on port 1234, remote cursors and version history with snapshots. Accessibility gets its own section, built around WCAG 2.1.

Collaboration needs a WebSocket server and Yjs dependencies, so skip that part if you only want a single-user editor. Install is one `npx skills add` command, and the skill runs on six platforms, Cursor and GitHub Copilot among them.

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add syncfusion/react-ui-components-skills --skill syncfusion-react-blockeditor -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/syncfusion-react-blockeditor/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/syncfusion-react-blockeditor/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add syncfusion/react-ui-components-skills --skill syncfusion-react-blockeditor -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/syncfusion-react-blockeditor/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add syncfusion/react-ui-components-skills --skill syncfusion-react-blockeditor -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/syncfusion-react-blockeditor/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install syncfusion/react-ui-components-skills syncfusion-react-blockeditor
```

2. **Manually: put the files in place**
- File: `.github/skills/syncfusion-react-blockeditor/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add syncfusion/react-ui-components-skills --skill syncfusion-react-blockeditor -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/syncfusion/react-ui-components-skills --path skills/syncfusion-react-blockeditor
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/syncfusion-react-blockeditor/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add syncfusion/react-ui-components-skills --skill syncfusion-react-blockeditor -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/syncfusion/react-ui-components-skills/tree/HEAD/skills/syncfusion-react-blockeditor/SKILL.md

## When to use it
- build a block-based document editor in React
- customize slash and context menus in the editor
- add block drag-and-drop and nesting
- set up real-time collaboration with user cursors
- add document version history with snapshots

## Example prompts
- Set up the Syncfusion React BlockEditor with initial blocks
- Customize the slash command and context menus in BlockEditorComponent
- Add Yjs collaborative editing with remote cursors

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From the same set: [syncfusion/react-ui-components-skills](https://affpapa.org/en/nevibecode/by/syncfusion/react-ui-components-skills.md) — 15 cards

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