# Third-party notices

## Fractional Indexing

This package contains a TypeScript conversion of
[rocicorp/fractional-indexing](https://github.com/rocicorp/fractional-indexing),
used to generate stable ordering keys.

The original work was dedicated to the public domain under CC0 1.0 Universal
(no rights reserved).

## OpenAI Codex

This package contains a macOS Seatbelt base policy and Linux Bubblewrap policy adapted from
[OpenAI Codex](https://github.com/openai/codex).

Copyright 2025 OpenAI

OpenAI Codex is licensed under the Apache License, Version 2.0. The policies
are modified to preserve Rig's workspace metadata and daemon control paths
while using Rig's shared permission modes. See `LICENSE-CODEX` for the full
license text.

## Grok Build

This package contains prompt text and model-facing tool descriptions adapted
from [xai-org/grok-build](https://github.com/xai-org/grok-build).

Copyright 2023-2026 SpaceXAI

Grok Build is licensed under the Apache License, Version 2.0. These portions
are modified to run through Rig's shared tools, permissions, sessions, and
terminal instead of the Grok Build TUI. See `LICENSE-GROK-BUILD` for the full
license text.