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USD

v0.1.0 · by elkraneo · added 3 November 2026

Syntax highlighting for OpenUSD ASCII files (.usd, .usda).

Languages
Install in Forge SuperView the source

How to install

With Forge Super installed, the button above opens the app on this extension, where you press Install. Nothing is installed until you do.

You can also open the Extensions panel in the app and search for USD. The extension's id is usd.

Don't have Forge Super yet? Download it here.

README

From the extension's repository, written by its authors and not by Mentenaz. See the source.

zed-usd

USD/USDA language support for Zed using tree-sitter-usd.

Scope (v1)

  • Syntax highlighting for .usd and .usda
  • File association for USD/USDA suffixes
  • Basic bracket pairing and indentation query support

Install For Development (Local)

  1. Open Zed.
  2. Open command palette.
  3. Run Extensions: Install Dev Extension.
  4. Select the cloned local folder for this repository (for example: /path/to/zed-usd).
  5. Open fixtures/basic.usda or any .usd/.usda file and verify highlighting.

Project Layout

  • extension.toml: extension metadata and grammar pin
  • languages/usd/config.toml: language config and file suffix mapping
  • languages/usd/highlights.scm: syntax highlight queries
  • languages/usd/brackets.scm: bracket pair queries
  • languages/usd/indents.scm: indentation queries
  • languages/usd/outline.scm: basic symbols in the outline panel
  • fixtures/basic.usda: quick manual test fixture

Known Limitations

  • Highlighting is baseline and may miss some advanced USD constructs.
  • .usd can also be binary in some workflows; this extension targets text/ASCII syntax highlighting.
  • Rich outline/navigation queries are not included in v1.

Grammar Source

This extension uses:

  • tree-sitter-usd at commit 4e0875f724d94d0c2ff36f9b8cb0b12f8b20d216
  • Upstream grammar license: GPL-3.0-or-later
  • Repository license: MIT

See THIRD_PARTY_NOTICES.md and LICENSE.

References / Related Projects