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Syntax Highlighting for OpenFGA files

v0.2.0 · by Art Rosnovsky · added 3 November 2026

Syntax highlighting for OpenFGA authorization model files

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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 Syntax Highlighting for OpenFGA files. The extension's id is openfga.

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.

FGA Syntax Highlighting Extension for Zed

A comprehensive syntax highlighting extension for OpenFGA authorization model files in the Zed editor. This extension uses the tree-sitter-fga grammar under the hood (thank you!).

screenshot of a code snippet with syntax highlighting

Features

This extension provides syntax highlighting Open Fine-Grained Authorization (OpenFGA) model files.

  • Keywords: model, schema, type, relations, define, from, extend, module, condition
  • Operators: Logical (and, or, but not), mathematical (+, -, *, /, %), comparison (==, !=, <, <=, >, >=), bitwise (<<, >>, &, ^, |)
  • Types: Built-in types (string, int, map, uint, list, timestamp, bool, duration, double, ipaddress)
  • Direct relationships: [user], [admin, moderator]
  • Wildcard references: [user:*]
  • Relation references: [organization#member]
  • Indirect relations: viewer from parent
  • Conditional access: [user with security_clearance]
  • Complex expressions: Multiple operators with proper precedence

Installation

  1. Open Zed editor
  2. Open the command palette (Cmd+Shift+P on macOS, Ctrl+Shift+P on Linux/Windows)
  3. Type and select "zed: extensions"
  4. Search for "OpenFGA"
  5. You already know, don't you? ;)

Supported File Extensions

  • .fga - OpenFGA model files

Examples

Basic Authorization Model

model
  schema 1.1

type user

type document
  relations
    define owner: [user]
    define editor: [user] or owner
    define viewer: [user] or editor
    define can_read: viewer
    define can_write: editor
    define can_delete: owner

Advanced Model with Conditions

model
  schema 1.1

type organization
  relations
    define admin: [user]
    define member: [user, user:*] or admin

type document
  relations
    define owner: [user]
    define editor: [user, organization#member]
    define restricted_viewer: [user with security_clearance]
    define can_read: owner or editor or restricted_viewer
    define can_write: (owner or editor) but not restricted_viewer

condition security_clearance(user: user) {
  user.clearance_level >= 3 && user.department == "security"
}

Module Structure

module user_management

type user
  relations
    define active: [user]
    define can_login: active but not suspended

condition active_user(user: user) {
  user.status == "active" && user.last_login > timestamp.now() - duration("30d")
}

Resources

License

This extension is released under the same license terms as the underlying tree-sitter-fga.