A code-formatting and linting hook for shell scripts, using shfmt and ShellCheck together with the repository's .editorconfig and .shellcheckrc files.

Use it in repositories with shell-script conventions to check and format scripts automatically on edit.

It keeps shell scripts consistently formatted and flags supported mistakes while you edit them.

bash-format — Plugin for Claude Code by melodic-software

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.

Clone the repo

git clone --depth 1 https://github.com/melodic-software/claude-code-plugins

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/melodic-software/claude-code-plugins/bash-format/github.svg)](https://agentmods.dev/plugins/melodic-software/claude-code-plugins/bash-format)

Your own site

<a href="https://agentmods.dev/plugins/melodic-software/claude-code-plugins/bash-format"><img src="https://agentmods.dev/badge/plugins/melodic-software/claude-code-plugins/bash-format/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.

Your own site · 80×15

<a href="https://agentmods.dev/plugins/melodic-software/claude-code-plugins/bash-format"><img src="https://agentmods.dev/badge/plugins/melodic-software/claude-code-plugins/bash-format.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 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.

Security

Grade A, and why

bash-format scanned grade A with 0 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 2d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/bash-format/.claude-plugin/plugin.json · 34 lines

What it actually says

{
  "name": "bash-format",
  "version": "0.10.16",
  "description": "Auto-format and lint shell scripts on edit via shfmt + ShellCheck, using the consuming repo's own .editorconfig and .shellcheckrc.",
  "author": {
    "name": "Melodic Software",
    "email": "[email protected]"
  },
  "license": "MIT",
  "keywords": [
    "bash",
    "shell",
    "shellcheck",
    "shfmt",
    "formatter",
    "linter",
    "hook"
  ],
  "userConfig": {
    "bash_format_enabled": {
      "type": "boolean",
      "title": "Format and lint on edit",
      "description": "Lint and format shell scripts on edit via ShellCheck + shfmt",
      "default": true
    },
    "bash_format_lint_gitignored": {
      "type": "boolean",
      "title": "Act on files git ignores",
      "description": "By default the hook leaves a file the repository gitignores alone: it is not rewritten or linted, since a rewrite of an ignored file has no git checkout to undo it. Set true to act on gitignored files too. A tracked file that matches an ignore pattern is always in scope.",
      "default": false
    }
  }
}

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.

2d ago Changed 896c4209d13d
4d ago Changed e534f6bdd0ed
6d ago Changed 19093b5b4916
8d ago Changed 1893c4216e8f
11d ago Changed 0dccd3d48184
12d ago Changed · -1 lines 5bdc16443442
13d ago Changed 9644e430cc3c
14d ago Changed 8ef70c11363f
15d ago Changed 3c459478e0b2
16d ago First seen · 35 lines scan A edfe5c266b01

Subscribe to this mod's changes

bash-format is a plugin published in the GitHub repository melodic-software/claude-code-plugins (25 stars, last pushed today), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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bash-format

Getting it into your agent

Wrote this? Show the measurements

Grade A, and why

Nothing flagged

What it actually says

What this file has done since we first saw it

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