rex

97 / 100 · Low risk

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

By bendrucker/claude (GitHub) · coding · 18 stars · scanned at commit 497d619

Drive the Rex terminal multiplexer: tabs, panes, splits, and hosts. Load this when opening a file alongside the user, starting a dev server or log tail the user should watch, reading another terminal's output, running a command on a saved host, or asking what else is running. Tab, pane, split, and host are Rex's terms. In a session Rex hosts, a request that uses one is a Rex request even when it never says Rex. New PR-bound work goes to `dispatch:dispatch`.

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. Expected for a coding skill.

Found in 5 places.

plugins/rex/skills/rex/SKILL.md, line 36rex split -s "$REX_SESSION" -b "$REX_BLOCK" --split=right --focus=false -c "$PWD" --json
plugins/rex/skills/rex/SKILL.md, line 48rex split -s "$REX_SESSION" -b "$REX_BLOCK" --split=right --ratio 40 --focus=false -c "$PWD" --json -- markless --watch path/to/file.md
plugins/rex/skills/rex/SKILL.md, line 54rex capture -s "$REX_SESSION" -b "$block" --trim --unwrap

Show 2 more

plugins/rex/skills/rex/SKILL.md, line 62rex split -s "$REX_SESSION" -b "$REX_BLOCK" --split=below --ratio 30 --focus=false -c "$PWD" --json -- bun run dev
plugins/rex/skills/rex/scripts/orient.ts, line 62proc = Bun.spawn(["rex", ...args], { stdin: "ignore", stdout: "pipe", stderr: "ignore" });

Install

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

if [ -e ~/.agents/skills/'rex' ] || [ -L ~/.agents/skills/'rex' ]; then echo 'A skill folder named rex already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/bendrucker/claude' "$d" && git -C "$d" checkout --quiet '497d619eb22e6f93dd49c4d8f6ff4a52578e0949' -- 'plugins/rex/skills/rex' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/rex/skills/rex' ~/.agents/skills/'rex' && 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/'rex' ~/.claude/skills/'rex' (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
2026-11-11	`497d619`	97
2026-11-08	`ebe6d12`	97
2026-11-06	`be8a32e`	97