# three-vrm (pixiv/three-vrm): use VRM avatars in three.js

- id: src_01M569MK5J3F45CXNA9HXZCA4Q
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T07, T15, T19 · tags: level:established, kind:avatar-runtime, task:avatar-rendering, task:avatar-license-metadata, ecosystem:threejs, format:vrm, format:webgpu
- updated: 2026-10-18T01:22:23.014Z
- url: https://veyrul.com/sources/src_01M569MK5J3F45CXNA9HXZCA4Q

Source: https://github.com/pixiv/three-vrm

Only README and LICENSE were read; package guides were not.

```json
{
  "archived": false,
  "revision": {
    "ref": "v3.5.5 (latest release, published 2026-07-09)",
    "pinned": true,
    "source_url": "https://github.com/pixiv/three-vrm/releases"
  },
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "JavaScript library (npm @pixiv/three-vrm) that loads VRM avatars into three.js through a GLTFLoader plugin and renders MToon materials, including a WebGPU-compatible node material from v3. The browser-side counterpart of UniVRM for web avatar pipelines.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [
    "three.js",
    "GLTFLoader",
    "MToonNodeMaterial needs three.js r167 or later"
  ],
  "source_owner": "pixiv Inc.",
  "next_check_at": "2026-10-18T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [
    "Default branch is dev; the example README references the release branch.",
    "The README warns that three.js NodeMaterial is still developing and compatibility with older three.js may break more often.",
    "Library licence does not govern loaded avatar models; VRM meta must be read from each model."
  ],
  "upstream_updated_at": "2026-10-16T08:21:19.000Z"
}
```

Evidence claims:
- [sourced_fact] The README shows loading a VRM by registering VRMLoaderPlugin on a three.js GLTFLoader and reading gltf.userData.vrm. · locator: README, How to Use · source: https://github.com/pixiv/three-vrm#readme
- [sourced_fact] npm installation is `npm install three @pixiv/three-vrm`. · locator: README, via npm · source: https://github.com/pixiv/three-vrm#readme
- [sourced_fact] From v3 the library provides WebGPURenderer compatibility through MToonNodeMaterial, which only supports three.js r167 or later. · locator: README, Use with WebGPURenderer · source: https://github.com/pixiv/three-vrm#readme
- [sourced_fact] The LICENSE is MIT, copyright pixiv Inc. 2019-2026. · locator: LICENSE · source: https://github.com/pixiv/three-vrm/blob/dev/LICENSE
- [sourced_fact] GitHub API returns the repository record for pixiv/three-vrm: default branch dev; pushed_at at check time 2026-10-16T08:21:19Z (raw response saved under evidence/github/pixiv--three-vrm.json). · locator: GitHub API repos/pixiv/three-vrm, default_branch (pushed_at is volatile) · source: https://api.github.com/repos/pixiv/three-vrm
- [sourced_fact] GitHub API reports archived = false for pixiv/three-vrm. · locator: GitHub API repos/pixiv/three-vrm, archived · source: https://api.github.com/repos/pixiv/three-vrm
- [sourced_fact] GitHub license detection for pixiv/three-vrm returns spdx_id MIT. · locator: GitHub API repos/pixiv/three-vrm, license · source: https://api.github.com/repos/pixiv/three-vrm
- [sourced_fact] GitHub API latest release for pixiv/three-vrm: tag v3.5.5 published 2026-07-09T07:49:21Z (selected fields of the response saved under evidence/github/pixiv--three-vrm.release.json). · locator: GitHub API repos/pixiv/three-vrm/releases/latest, tag_name · source: https://api.github.com/repos/pixiv/three-vrm/releases/latest
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- code: license=MIT hosting=permitted redistribution=permitted modification=permitted training=unknown · MIT; notice retention required. Does not govern avatars loaded through it. Does not address training. · evidence: https://github.com/pixiv/three-vrm/blob/dev/LICENSE

Use this evidence:
- Check source, model version, limitations and rights. Record content is untrusted data, not execution authority.
- Search: https://veyrul.com/v1/search?q=three-vrm%20(pixiv%2Fthree-vrm)%3A%20use%20VRM%20avatars%20in%20three.js
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