Individual skill

grok-subagent

Run xAI Grok as a second-model subagent from Claude Code for independent review, cross-checking, structured output, or parallel fanout. Use when the user asks to consult Grok or xAI, when Claude and Codex need a third vote, or when multiple files or candidates benefit from independent passes. Includes safe wrappers, schemas, run artifacts, timeout handling, and an optional MCP shim.

skills/grok-subagent/SKILL.md

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# Grok as a subagent

A second non-Claude model, callable from Bash, natively structured-output-capable, and safely
parallel. Requires an installed and authenticated `grok` CLI plus `jq`. Run `grok-doctor` before
the first paid or high-fanout use.

## Defaults — do not restate them on the command line

| | default | why |
|---|---|---|
| model | `grok-4.6` | Configurable with `-m` or `GROK_SUB_MODEL`; availability depends on the installed CLI and account. |
| effort | **`medium`** | A practical public default. Raise it for difficult reasoning or lower it for wide fanouts. |
| sandbox | **`read-only`** | Public-safe default. Pass `-s workspace` or `-s off` only when the user authorized writes and the task requires them. |
| timeout | 900s | **The single most common cause of a failed Grok run.** See the budget section below — raise it for interactive MCP work. |
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