# three.ws Avatars

Brings interactive 3D models into chat windows and generates iframe embed snippets. Works out of the box with zero API keys required for public assets.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 249
- Author: nirholas
- License: Apache-2.0 · policy=link-only · description only; the file stays with the author
- Source: https://github.com/nirholas/three.ws/tree/HEAD/packages/threews-avatar-mcp
- Updated: 2026-10-24
- HTML: https://affpapa.org/en/nevibecode/mcp/threews-avatars

## What it does

This read-only MCP server links your assistant to three.ws endpoints. If the host platform supports MCP Apps, users can orbit and inspect rotatable 3D characters right inside the conversation via `<model-viewer>`. Standard hosts receive a rendered image preview alongside a shareable embed URL.

The server packages three tools: `render_avatar`, `avatar_embed_code`, and `get_avatar`. You identify avatars through a UUID, a user handle, or a direct GLB asset URL. The embed helper produces an `<iframe>` snippet with configurable height, background, and idle animations.

Public models need no API key. All requests hit live three.ws endpoints without mock data. If you connect to a custom staging host, pass the `THREEWS_BASE_URL` environment variable.

## Requirements
- Needs: Node.js (commands run via npx)
- Environment variables: `THREEWS_BASE_URL` — keys and tokens: ask the human for the values, never commit them or put them in shared files.

## Install

### Claude Code (native platform)

**Platform CLI**
```bash
claude mcp add --env THREEWS_BASE_URL=<THREEWS_BASE_URL> --transport stdio threews-avatar-mcp -- npx -y @three-ws/avatar-mcp
```
Replace <…> with your own values

### Codex

**Platform CLI**
```bash
codex mcp add threews-avatar-mcp --env THREEWS_BASE_URL=<THREEWS_BASE_URL> -- npx -y @three-ws/avatar-mcp
```
Replace <…> with your own values

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "threews-avatar-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "@three-ws/avatar-mcp"
            ],
            "env": {
                "THREEWS_BASE_URL": "<THREEWS_BASE_URL>"
            }
        }
    }
}
```
Replace <…> with your own values

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "threews-avatar-mcp": {
            "type": "stdio",
            "command": "npx",
            "args": [
                "-y",
                "@three-ws/avatar-mcp"
            ],
            "env": {
                "THREEWS_BASE_URL": "<THREEWS_BASE_URL>"
            }
        }
    }
}
```
Replace <…> with your own values

### Gemini CLI

**Platform CLI**
```bash
gemini mcp add -e THREEWS_BASE_URL=<THREEWS_BASE_URL> threews-avatar-mcp npx -y @three-ws/avatar-mcp
```
Replace <…> with your own values

## When to use it
- display interactive 3D models inside agent conversations
- generate clean `<iframe>` embed codes for websites
- fetch GLB file URLs and owner details for an avatar
- adjust scene framing and background style for 3D previews

## Example prompts
- Render user handle @alex with a dark background and auto rotation enabled.
- Create an iframe embed code for avatar bf58f7fc-64b3-4a92-8c27-dd472fc04b58 with a height of 500px.
- Fetch the GLB file URL and metadata for avatar bf58f7fc-64b3-4a92-8c27-dd472fc04b58.

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From the same set: [nirholas/three.ws](https://affpapa.org/en/nevibecode/by/nirholas/three.ws.md) — 43 cards

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