security-hardening

77 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a coding skill usually runs build and test commands.

By OutlineDriven/outline-driven-development (GitHub) · coding · 55 stars · scanned at commit b0e8ce8

Use when adding security controls for untrusted input, auth/authz, data storage, or external integrations. Not for audit: use security-review. Not for finding: use security-finding-verification.

Works with any agent that supports SKILL.md skills.

What this skill can do

Downloads and installs other software

The author does not mention this.

Found in 3 places.

.devin/skills/security-hardening/SKILL.md, line 33- Always Do (no human approval required): validate all external input at the system boundary; parameterize all database queries; encode output to prevent XSS; u
.devin/skills/security-hardening/references/dependency-audit.md, line 32- Commit the lockfile and install reproducibly in CI: `npm ci`, `pip install --require-hashes`, `cargo build --locked`, or the equivalent for your toolchain. No
.devin/skills/security-hardening/references/security-checklist.md, line 121- [ ] Lockfile committed; CI uses a reproducible, locked install (`npm ci`, `pip install --require-hashes`, `cargo build --locked`)

Runs commands on your computer

The author does not mention this. Expected for a coding skill.

Found in 1 place.

.devin/skills/security-hardening/references/owasp-patterns.md, line 29The same rule holds for OS commands: pass an argument vector (`execFile`, `subprocess.run([...])`), never a shell string built from input.

Connects to the internet

This is disclosed by the author in the skill's SKILL.md or README.

Found in 2 places.

.devin/skills/security-hardening/references/owasp-patterns.md, line 219await fetch(req.body.webhookUrl);
.devin/skills/security-hardening/references/owasp-patterns.md, line 238await fetch(await assertSafeUrl(req.body.webhookUrl), { redirect: 'error' });

Safer alternatives

Low-risk skills in the same category (coding) that look related. Check that one does what you need.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'security-hardening' ] || [ -L ~/.agents/skills/'security-hardening' ]; then echo 'A skill folder named security-hardening already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/OutlineDriven/outline-driven-development' "$d" && git -C "$d" checkout --quiet 'b0e8ce89a19fac880251dc3ea1babfeb4503a4fe' -- '.devin/skills/security-hardening' && mkdir -p ~/.agents/skills && cp -R "$d"/'.devin/skills/security-hardening' ~/.agents/skills/'security-hardening' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'security-hardening' ~/.claude/skills/'security-hardening' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-07	`b0e8ce8`	75