grok-harness

82 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By frankxai/agentic-creator-os (GitHub) · coding · 12 stars · scanned at commit 9dc9c95

Grok Build (xAI CLI/TUI) harness integration for ACOS. Full native support via grok-harness-adapter: .grok/skills/ seeds (grok-personal excellence 4: harness-integration/excellence-review/repo-mastery/multi-harness-orchestrator), .grok/hooks/ (2 excellence json), GROK.md + AGENTS.md compat, subagents, MCP (github/fs-starlight/git), image/video gen. Use when working in Grok TUI, detecting .grok/, running install --platform=grok, or needing harness-specific patterns + multi-fleet delegation. Load…

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

This is disclosed by the author in the skill's SKILL.md or README. It runs automatically when the plugin is installed. Expected for a coding skill.

Found in 6 places.

.claude/skills/grok-harness/SKILL.md, line 15./install.sh --platform=grok # or in ACOS source itself
.mcp.json, line 4"command": "npx",
hooks/mcp-health-check.js, line 20const { spawn, spawnSync } = require('child_process');

Show 3 more

hooks/mcp-health-check.js, line 433const result = spawnSync(command, {
hooks/quality-gate.js, line 19const { spawnSync } = require('child_process');
hooks/quality-gate.js, line 34return spawnSync(command, args, {

Downloads and installs other software

The author does not mention this. It runs automatically when the plugin is installed.

Found in 1 place.

.mcp.json, line 4"command": "npx",

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'grok-harness' ] || [ -L ~/.agents/skills/'grok-harness' ]; then echo 'A skill folder named grok-harness already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/frankxai/agentic-creator-os' "$d" && git -C "$d" checkout --quiet '9dc9c9592ba6be55de0662b6c0b65ec01b08c775' -- '.claude/skills/grok-harness' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/grok-harness' ~/.agents/skills/'grok-harness' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'grok-harness' ~/.claude/skills/'grok-harness' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-12	`9dc9c95`	82
2026-11-08	`bcf7ee4`	82