ultracodex-configlisted
Install: claude install-skill 0xPiPo/ultracodex
# /ultracodex-config
Manage the persistent ultracodex defaults. These live in
`~/.claude/skills/ultracodex/ultracodex.env`; `codex-worker.sh` sources that file, and
any per-call `ULTRACODEX_*` env var still overrides a saved default.
## Helper
```
bash ~/.claude/skills/ultracodex-config/ucx-config.sh show # current settings
bash ~/.claude/skills/ultracodex-config/ucx-config.sh get KEY
bash ~/.claude/skills/ultracodex-config/ucx-config.sh set KEY VALUE
bash ~/.claude/skills/ultracodex-config/ucx-config.sh unset KEY # revert to default
```
KEY may be given short (`MODEL`, `EFFORT`, `TIER`, `SANDBOX`, `TIMEOUT`, `SEARCH`, `MAX`,
`MCP`) or full (`ULTRACODEX_MODEL`). Values are validated (a bad EFFORT/TIER/SANDBOX/MODEL/
MCP is rejected).
## Settings
| Key | Values | Default | Meaning |
|-----|--------|---------|---------|
| `MODEL` | `gpt-5.6-sol`, `gpt-5.6-terra`, `gpt-5.6-luna` (also legacy `gpt-5.5`/`gpt-5.4`/`gpt-5.4-mini`) | gpt-5.6-sol | Worker model. sol = flagship; terra = standard; luna = fast/cheap for mechanical/bulk. |
| `EFFORT` | `minimal`, `low`, `medium`, `high`, `xhigh`, `max`, `ultra` | xhigh | Reasoning effort (raises token volume, not rate). `ultra` spawns worker subagents — avoid (the skill fans out already). |
| `TIER` | `priority`, `default` | default | Service tier. priority = ~1.5x speed, more usage. |
| `SANDBOX` | `workspace-write`, `read-only`, `danger-full-access` | workspace-write | Worker sandbox. |
| `TIMEOUT` | integer secon