How do I install the Setup Shell skill?

Run npx skillmds@latest add hashgraph-online/setup-shell in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Setup Shell safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Setup Shell?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Setup Shell free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Setup Shell?

hashgraph-online (@hashgraph-online) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Setup Shell by hashgraph-online — Agent Skill

Name: Setup Shell
Rating: 4.2 (5 reviews)
Author: hashgraph-online

Setup Shell

Install or refresh Agent Guard's plugin-local shell integration. Use when the user explicitly asks to enable or update shell command masking, or when a shell-integration warning directs them to rerun setup-shell.

hashgraph-online da7ca6a 2 files · 2.0 KB Updated Sep 9, 2026

File contents

Set Up Agent Guard Shell

Install or refresh Agent Guard shell command masking without making the user locate the versioned plugin-cache binary.

Workflow

Explain that this changes the user's shell rc and is separate from plugin hook setup.
Resolve ../../bin/agent-guard relative to this skill directory and confirm that it is executable. Use that plugin-local binary even if another agent-guard is on PATH; do not install or update a standalone copy.
Tell the user that setup-shell will update the managed block in their shell rc with command wrapping enabled by default. Obtain host approval for the home-directory write before running:
```
"<plugin-local-agent-guard>" setup-shell
```
On success, report the rc path from the command output and tell the user to restart the shell and any agent sessions launched from that shell.
If the approved write is blocked by the host sandbox, relay the exact error. Do not retry the same blocked write, choose another rc, or edit the rc by hand. Show the exact plugin-local command for the user to run directly in a terminal, wait for confirmation, and then report the required restarts.

Use setup-shell --no-command-wrapping only when the user explicitly requests the persistent opt-out. AGENT_GUARD_COMMAND_WRAPPING=off is the runtime-only opt-out.

Source: hashgraph-online/awesome-codex-plugins → plugins/JeongJaeSoon/agent-guard/skills/setup-shell/SKILL.md

Frequently asked questions