bash-script-validator

Validate Bash and POSIX scripts with syntax checks and ShellCheck analysis.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/tylern91/dotfiles --skill bash-script-validator-tylern91
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: bash-script-validator
Source: https://github.com/tylern91/dotfiles/tree/main/claude/.claude/skills/bash-script-validator
Command: npx skills add https://github.com/tylern91/dotfiles --skill bash-script-validator-tylern91

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps developers ensure Bash and POSIX shell scripts are correct, secure, portable, and maintainable by performing syntax checks, static analysis with ShellCheck, and targeted reviews.

Core Features & Use Cases

  • Syntax validation using bash -n or sh -n
  • ShellCheck static analysis with a system binary or wrapper
  • Custom security, portability, and optimization checks Use-case: When auditing legacy Bash scripts for compatibility with POSIX shells or identifying unsafe constructs.

Quick Start

Run the bash-script-validator against a target script to validate syntax, run ShellCheck, and propose fixes.

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 and security issues?

You can validate Bash scripts by running syntax checks with bash -n, executing ShellCheck static analysis, and applying custom security and portability reviews to identify unsafe constructs and ensure reliable execution.

What is the best way to check POSIX compatibility for legacy shell scripts?

Checking POSIX compatibility involves auditing legacy shell scripts through targeted portability assessments and static analysis to identify non-compliant constructs and ensure scripts run reliably across local and CI environments.

Can I use ShellCheck to lint and harden Bash scripts in a CI environment?

Yes, you can use ShellCheck to lint and harden Bash scripts in a CI environment by running static analysis via a system binary or wrapper, enforcing deterministic execution and safe behavior with clear fallbacks when tooling is unavailable.

Does bash script validation work when ShellCheck is not installed?

Bash script validation works when ShellCheck is not installed by enforcing safe behavior with clear fallbacks, utilizing syntax checks with bash -n or sh -n, and applying custom security and portability reviews.

How do I find and fix unsafe constructs in shell scripts?

To find and fix unsafe constructs in shell scripts, run static analysis and targeted security checks to identify vulnerabilities, then apply the proposed fixes generated from the layered validation and auditing process.