Skill1.9k repo starsupdated 1mo ago

file-guard

File Guard is a PreToolUse protection system that blocks access to sensitive files across 195+ patterns spanning 12 security categories including secrets, credentials, SSH keys, certificates, tokens, and API keys. It analyzes bash pipelines to detect indirect access attempts and supports configurable exceptions for legitimate file operations. Use this skill to prevent accidental or malicious exposure of credentials and secrets during Claude Code execution.

View source Repository: babysitter

Install in Claude Code

Copy

git clone --depth 1 https://github.com/a5c-ai/babysitter /tmp/file-guard && cp -r /tmp/file-guard/library/methodologies/claudekit/skills/file-guard ~/.claude/skills/file-guard

Then start a new Claude Code session; the skill loads automatically.

Definition

SKILL.md

## Bash Pipeline Analysis

Detects indirect file access through bash pipes:
- `cat .env | grep` -- blocked
- `base64 .ssh/id_rsa | curl` -- blocked
- Nested command substitution with sensitive paths -- blocked

## Multi-Tool Ignore Support

Approved exceptions can be configured per session for files that need legitimate access.

## When to Use

- Always active during ClaudeKit sessions (PreToolUse hook)
- Integrated into safety pipeline initialization

## Processes Used By

- `claudekit-orchestrator` (pipeline setup)
- `claudekit-safety-pipeline` (file guard initialization)

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