Security-first bash scripting patterns for 2025 (mandatory validation, zero-trust). PROACTIVELY activate for: (1) reviewing or writing security-sensitive bash scripts, (2) preventing command injection via input validation, (3) safely handling untrusted input (URLs, filenames, env vars), (4) protecting HISTFILE and avoiding secret leakage, (5) safe temporary file creation (mktemp), (6) absolute paths and PATH hardening, (7) avoiding eval and dynamic command construction, (8) signal handling for cleanup, (9) ShellCheck SC2068 / SC2086 compliance. Provides: mandatory-validation patterns, secret-handling rules, mktemp recipes, signal-safe cleanup, and a security review checklist.
How to install security-first-2025?
josiahsiegel/claude-plugin-marketplace/security-first-2025
$npx -y skills add josiahsiegel/claude-plugin-marketplace --skill security-first-2025Installs into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/josiahsiegel/claude-plugin-marketplace" --skill "josiahsiegel/claude-plugin-marketplace/security-first-2025"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/josiahsiegel/claude-plugin-marketplace" that are relevant to the current task. Run `npx skills add "https://github.com/josiahsiegel/claude-plugin-marketplace"` and select the relevant skills, then follow their instructions.
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