Codex GPT-5.3 Preset Plugin

A standalone Windows plugin that updates ~/.codex/config.toml for a GPT-5.3 Codex preset.

What this plugin changes

• model = "gpt-5.3-codex"
• model_reasoning_effort = "xhigh"
• model_verbosity = "high"

Files

• install_codex_gpt53.ps1: main installer script
• 一键设置GPT53.bat: double-click launcher
• README.txt: quick local usage note (Chinese)

Usage (Windows)

1. Download this repository or the release zip.
2. Double-click 一键设置GPT53.bat.
3. Restart VS Code / Codex.

Safety & rollback

• The script creates a backup before editing:
  • ~/.codex/config.toml.bak.YYYYMMDD_HHMMSS
• If config does not exist, it creates one.

Release

• Latest release: v1.0.0
• Asset: codex_gpt53_preset_plugin.zip
• Release page: https://github.com/frankhuang1111/codex-gpt53-preset-plugin/releases/tag/v1.0.0

License

For personal/internal use. Add your preferred license if needed.