What is bash-safety-guard?

A command-line safety guard for Claude Code, Anthropic's coding assistant. It checks shell commands before they run and blocks destructive production-data actions, credential leaks, and dangerous recursive deletion.

Use it as a pre-command protection layer for database, cloud-storage, cache, credential, and filesystem operations run through Bash.

It reduces the chance that an agent or developer will erase live data, expose secrets, or delete an important directory through a shell command.

bash-safety-guard — Plugin for Claude Code by ooiyeefei/ccc

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/ooiyeefei/ccc

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/ooiyeefei/ccc/bash-safety-guard/github.svg)](https://agentmods.dev/plugins/ooiyeefei/ccc/bash-safety-guard)

Your own site

<a href="https://agentmods.dev/plugins/ooiyeefei/ccc/bash-safety-guard"><img src="https://agentmods.dev/badge/plugins/ooiyeefei/ccc/bash-safety-guard/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/ooiyeefei/ccc/bash-safety-guard"><img src="https://agentmods.dev/badge/plugins/ooiyeefei/ccc/bash-safety-guard.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 C 1 finding. 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 C, and why

bash-safety-guard scanned grade C with 1 finding 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 1mo 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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

"description": "Fail-closed PreToolUse bash guard for Claude Code: blocks destructive production-data operations (DROP/TRUNCATE/DELETE FROM, convex import --replace/--prod, prisma/drizzle reset, redis flush, dynamo/S3 de

plugins/bash-safety-guard/.claude-plugin/plugin.json · 10 lines

What it actually says

{
  "name": "bash-safety-guard",
  "version": "1.0.0",
  "description": "Fail-closed PreToolUse bash guard for Claude Code: blocks destructive production-data operations (DROP/TRUNCATE/DELETE FROM, convex import --replace/--prod, prisma/drizzle reset, redis flush, dynamo/S3 deletes), credential exfiltration (secret files/tokens sent off-box or piped to paste/tunnel sinks), and catastrophic rm -rf (/, ~, $HOME, ., system dirs). Non-bash tools are untouched.",
  "author": {
    "name": "ooiyeefei"
  },
  "keywords": ["security", "guardrail", "safety", "hooks", "pretooluse", "bash", "fail-closed"]
}

Contents

What it installs

The manifest is a name and a version. 1 hook travel with it, and installing the plugin installs all of them. Each is measured on its own page, and each can be installed alone.

Hook PreToolUse A not measured

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.

1mo ago First seen · 10 lines scan C 06fcc1cce127

Subscribe to this mod's changes

bash-safety-guard is a plugin published in the GitHub repository ooiyeefei/ccc (496 stars, last pushed 2d ago), 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 C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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