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bash-script-validator

Validate Bash and POSIX shell scripts for syntax, security, and portability issues.

Updated Aug 27, 2026
Search Tags:#security#validation#bash#shellcheck#shell#posix
One-click install
npx skills add https://github.com/program-the-brain-not-the-heartbeat/dotfiles --skill bash-script-validator-program-the-brain-not-the-heartbeat
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: bash-script-validator
Source: https://github.com/program-the-brain-not-the-heartbeat/dotfiles/tree/main/config/claude/skills/bash-script-validator
Command: npx skills add https://github.com/program-the-brain-not-the-heartbeat/dotfiles --skill bash-script-validator-program-the-brain-not-the-heartbeat

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires python3, pip3, shellcheck-py, and includes scripts (resource) components.

What problem does it solve?

Bash and shell scripting quality often suffers from subtle syntax errors, insecure patterns, and portability gaps, which this skill helps identify and fix.

Core Features & Use Cases

  • Syntax validation for Bash and POSIX sh using native checks
  • Security checks for common pitfalls like eval, unquoted expansions, and dangerous commands
  • Portability and best-practices guidance with actionable feedback
  • Quick integration into CI or local development for pre-commit or review

Quick Start

Run the validator on a script file to receive a comprehensive, actionable report.

Frequently Asked Questions about bash-script-validator

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

FAQPage Schema
How do I validate Bash scripts for syntax errors and security vulnerabilities?▼

Bash script validation checks syntax correctness using native shell commands and integrates ShellCheck to detect security vulnerabilities like dangerous eval usage and unquoted expansions, providing actionable feedback.

Can I use this Bash script validator in a CI pipeline and pre-commit checks?▼

Bash script validation is applicable in CI pipelines and local development environments for pre-commit checks and code reviews, providing syntax verification and portability guidance directly within your workflow.

Does Bash script validation work with POSIX shell scripts?▼

POSIX shell script validation uses native checks like sh -n alongside ShellCheck integration to verify syntax correctness, identify security pitfalls, and report portability issues with actionable guidance.

What do I need to run ShellCheck validation for Bash scripts?▼

ShellCheck validation requires Python3, pip3, and the shellcheck-py package to execute properly, providing comprehensive syntax checking and security hardening for your shell scripts.

What is the best way to harden Bash scripts against insecure patterns?▼

Bash script hardening detects insecure patterns like unquoted expansions and dangerous commands via integrated ShellCheck checks, returning actionable guidance to fix security vulnerabilities and improve portability.

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