shellcheck-cicd-2025

shellcheck-cicd-2025 is a skill for Claude Code from JosiahSiegel/claude-plugin-marketplace. It costs 179 tokens per session (2,761 once invoked), scanned B, original, MIT.

A workflow for using ShellCheck, a tool that finds common mistakes and unsafe patterns in shell scripts, as a required part of development and continuous integration.

In plain words
What is it for?
Use it when checking Bash scripts, interpreting or fixing ShellCheck warnings, or adding ShellCheck checks to CI systems and pre-commit workflows.
Why use it?
It helps catch shell-script problems before they reach users or automated builds, including issues involving quoting, argument handling, and variable declarations.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: positional $N argument.

Part of the bash-master plugin — 10 skills, 4 commands, 1 agent shipped together

Good fit Use it when checking Bash scripts, interpreting or fixing ShellCheck warnings, or adding ShellCheck checks to CI systems and pre-commit workflows.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/josiahsiegel/claude-plugin-marketplace/shellcheck-cicd-2025
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add JosiahSiegel/claude-plugin-marketplace --skill shellcheck-cicd-2025
Clone the repo
git clone --depth 1 https://github.com/JosiahSiegel/claude-plugin-marketplace

Made for: Claude Code.

Or install bash-master, the plugin that ships this one along with the rest of its 10 skills, 4 commands, 1 agent.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for shellcheck-cicd-2025

README.md
[![agentmods](https://agentmods.dev/badge/skills/josiahsiegel/claude-plugin-marketplace/shellcheck-cicd-2025/github.svg)](https://agentmods.dev/skills/josiahsiegel/claude-plugin-marketplace/shellcheck-cicd-2025)
Your own site
<a href="https://agentmods.dev/skills/josiahsiegel/claude-plugin-marketplace/shellcheck-cicd-2025"><img src="https://agentmods.dev/badge/skills/josiahsiegel/claude-plugin-marketplace/shellcheck-cicd-2025/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for shellcheck-cicd-2025

Your own site · 80×15
<a href="https://agentmods.dev/skills/josiahsiegel/claude-plugin-marketplace/shellcheck-cicd-2025"><img src="https://agentmods.dev/badge/skills/josiahsiegel/claude-plugin-marketplace/shellcheck-cicd-2025.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 179 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,761 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00179 $0.02761
Opus 5 $0.00089 $0.01380
Sonnet 5 $0.00036 $0.00552
Haiku 4.5 $0.00018 $0.00276

Measured 12d ago against content hash 7276ab3402c7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade B, and why

shellcheck-cicd-2025 scanned grade B with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo cp shellcheck-stable/shellcheck /usr/local/bin/

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

wget https://github.com/koalaman/shellcheck/releases/latest/download/shellcheck-stable.linux.x86_64.tar.xz
plugins/bash-master/skills/shellcheck-cicd-2025/SKILL.md · 445 lines

How it starts

The opening of the file, as written. The whole thing — 445 lines — stays where its author put it; the contents beside it link to each section on GitHub.

🚨 CRITICAL GUIDELINES

Windows File Path Requirements

MANDATORY: Always Use Backslashes on Windows for File Paths

When using Edit or Write tools on Windows, you MUST use backslashes (\) in file paths, NOT forward slashes (/).

Examples:

  • ❌ WRONG: D:/repos/project/file.tsx
  • ✅ CORRECT: D:\repos\project\file.tsx

This applies to:

  • Edit tool file_path parameter
  • Write tool file_path parameter
  • All file operations on Windows systems

Documentation Guidelines

NEVER create new documentation files unless explicitly requested by the user.

  • Priority: Update existing README.md files rather than creating new documentation
  • Repository cleanliness: Keep repository root clean - only README.md unless user requests otherwise
  • Style: Documentation should be concise, direct, and professional - avoid AI-generated tone
  • User preference: Only create additional .md files when user specifically asks for documentation

ShellCheck CI/CD Integration (2025)

ShellCheck: Non-Negotiable in 2025

ShellCheck is now considered mandatory in modern bash workflows (2025 best practices):

Latest Version: v0.11.0 (August 2025)

What's New:

  • Full Bash 5.3 support (${| cmd; } and source -p)
  • New warnings: SC2327/SC2328 (capture group issues)
  • POSIX.1-2024 compliance: SC3013 removed (-ot/-nt/-ef now POSIX standard)
  • Enhanced static analysis capabilities
  • Improved performance and accuracy

Why Mandatory?

  • Catches subtle bugs before production
  • Prevents common security vulnerabilities
  • Enforces consistent code quality
  • Required by most DevOps teams
  • Standard in enterprise environments
  • Supports latest POSIX.1-2024 standard

Installation

# Ubuntu/Debian
apt-get install shellcheck

# macOS
brew install shellcheck

# Alpine (Docker)
apk add shellcheck

# Windows (WSL/Git Bash)
choco install shellcheck

# Or download binary
wget https://github.com/koalaman/shellcheck/releases/latest/download/shellcheck-stable.linux.x86_64.tar.xz
tar -xf shellcheck-stable.linux.x86_64.tar.xz
sudo cp shellcheck-stable/shellcheck /usr/local/bin/

Read the full file on GitHub · 445 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 445 lines · 179 tokens per session scan B 7276ab3402c7

Subscribe to this mod's changes

shellcheck-cicd-2025 is a skill published in the GitHub repository JosiahSiegel/claude-plugin-marketplace (54 stars, last pushed 2mo ago), licensed MIT. It adds 179 tokens to every session and 2,761 once invoked, about $0.0009 per session on Opus 5. A static security scan graded it B with 2 findings (asks for root, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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