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bash-expert

Generate hardened Bash scripts with strict mode and secure command practices.

3|1|Updated Dec 3, 2025
Search Tags:#automation#security#bash#shellcheck#command injection#quoting#script hardening
One-click install
npx skills add https://github.com/Probably-Group/Dev-AID --skill bash-expert-probably-group
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: bash-expert
Source: https://github.com/Probably-Group/Dev-AID/tree/main/.dev-aid/skills/expert/bash-expert
Command: npx skills add https://github.com/Probably-Group/Dev-AID --skill bash-expert-probably-group

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill prevents fragile or insecure Bash scripts by enforcing strict mode, safe quoting, and proactive defenses against common command-injection and path-traversal failures.

Core Features & Use Cases

  • Hardened Bash script generation: Produces scripts that start with required strict settings and follow consistent variable and error-handling patterns.
  • Security-focused guidance: Prevents risky constructs like eval, unsafe subshells, insecure temp files, unquoted variables, and unsafe argument handling.
  • Operational robustness patterns: Encourages correct traps for cleanup, safer loops, reliable external command usage, and HTTP request safety.

Quick Start

Use the bash-expert Skill whenever you are generating or reviewing a Bash script that must be secure and reliable for CLI automation or automation tasks.

Frequently Asked Questions about bash-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent command injection vulnerabilities when writing Bash scripts?▼

Preventing command injection in Bash scripts requires applying strict-mode startup, blocking dangerous patterns like eval and backticks, enforcing safe quoting, and specifying secure argument handling practices.

What is Bash strict mode and how does it improve shell script reliability?▼

Bash strict mode is a set of startup settings that enforce consistent variable handling and error trapping, preventing fragile shell scripts by proactively stopping failures during execution and ensuring robust operational flows.

How do I safely handle temporary files and HTTP requests in shell automation?▼

Safely handling temp files and HTTP requests in shell automation involves specifying secure path and request practices, blocking insecure temp file creation, and enforcing reliable external command usage patterns.

Does this Bash hardening guidance work for CLI tools and automation tasks?▼

Yes, this Bash hardening guidance is designed for generating and reviewing CLI tools and automation scripts, applying safe argument handling, error trapping, and robust execution flows for reliable operations.

What are the limitations of using basic Bash scripts for secure automation?▼

Basic Bash scripts without hardening are limited by unquoted variables, unsafe subshells, and insecure temp files, which cause command injection and path traversal failures during automated execution.

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