A skill for sending coding tasks to Grok Build, xAI's command-line coding agent. Grok Build can work with project files, run shell commands, use other agents, and manage Git workflows.

Use it to delegate implementation work, code changes, reviews, or issue fixing to Grok Build from a terminal.

It gives you another coding agent to use for features, refactoring, pull-request reviews, or batches of issues. It explains how to run the tool interactively or without prompts and how to authenticate it.

grok — Skill by NousResearch

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add skills/nousresearch/hermes-agent/grok

Any agent

npx skills add NousResearch/hermes-agent --skill grok

Clone the repo

git clone --depth 1 https://github.com/NousResearch/hermes-agent

Made for: Claude Code, Codex.

Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,667 The whole file, excluding the scripts and references it only reads on demand.

Security scan C 2 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5	$0.00018	$0.03667
Opus 5	$0.00009	$0.01834
Sonnet 5	$0.00004	$0.00733
Haiku 4.5	$0.00002	$0.00367

Measured yesterday against content hash 921654e2a409, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

grok scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

- The official installer `curl -fsSL https://x.ai/cli/install.sh | bash` also

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- The official installer `curl -fsSL https://x.ai/cli/install.sh | bash` also

Origin

Copies of this mod

6 near-identical copies found in the catalogue:

grok — 100% identical, 0 lines differ
grok — 100% identical, 0 lines differ
grok — 100% identical, 0 lines differ
grok — 89% identical, 25 lines differ
grok — 89% identical, 25 lines differ
grok — 89% identical, 25 lines differ

optional-skills/autonomous-ai-agents/grok/SKILL.md · 309 lines

How it starts

The opening of the file, as written. The whole thing — 309 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Grok Build CLI — Hermes Orchestration Guide

Delegate coding tasks to Grok Build (xAI's autonomous coding agent CLI, the grok command) via the Hermes terminal. Grok can read files, write code, run shell commands, spawn subagents, and manage git workflows. It runs three ways: an interactive TUI, headless (-p), and as an ACP agent over JSON-RPC.

This is the third sibling to codex and claude-code. The orchestration pattern is nearly identical — prefer headless -p for one-shots, use a PTY for interactive sessions.

When to use

Building features
Refactoring
PR reviews
Batch issue fixing
Any task where you'd otherwise reach for Codex / Claude Code but want Grok

Prerequisites

Install (preferred): npm install -g @xai-official/grok
- The official installer curl -fsSL https://x.ai/cli/install.sh | bash also works, but the x.ai host is Cloudflare-walled in some environments. The npm path avoids that dependency entirely.
Auth — SuperGrok / X Premium+ subscription (primary path):
- Run grok login once → opens a browser for OAuth → token cached in ~/.grok/auth.json. This uses your SuperGrok or X Premium+ subscription (no per-token API billing).
- Check sign-in state by looking for ~/.grok/auth.json, or run a cheap headless smoke test: grok --no-auto-update -p "Say ok."
- In the TUI, /logout signs out and /login (or relaunching) signs back in.
No git repo required — unlike Codex, Grok runs fine outside a git directory (good for scratch/throwaway tasks).
Claude Code / AGENTS.md compatible with zero config — Grok auto-reads CLAUDE.md, .claude/ (skills, agents, MCPs, hooks, rules), and the AGENTS.md family. Existing project context just works.

API-key fallback (not the default for this user): Grok also supports setting the XAI_API_KEY environment variable for pay-as-you-go billing via api.x.ai. Only use this if grok login / SuperGrok auth is unavailable. The subscription path (grok login) is the intended setup here.

Read the full file on GitHub · 309 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

yesterday First seen · 309 lines · 18 tokens per session scan C 921654e2a409

Subscribe to this mod's changes

grok is a skill published in the GitHub repository NousResearch/hermes-agent (238,457 stars, last pushed yesterday), licensed MIT. It adds 18 tokens to every session and 3,667 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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