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modern-cpp

100 / 100 · Low risk

Fine to try.

By nodetool-ai/nodetool (GitHub) · media · 631 stars · scanned at commit 61e4dfe

Guides C++ code toward modern idioms (C++20/23/26). Use when writing new C++ code, modernizing legacy patterns, or working on security-critical C++. Replaces raw pointers with smart pointers, SFINAE with concepts, printf with std::print, error codes with std::expected.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'modern-cpp' ] || [ -L ~/.agents/skills/'modern-cpp' ]; then echo 'A skill folder named modern-cpp already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/nodetool-ai/nodetool' "$d" && git -C "$d" checkout --quiet '61e4dfe56d57dda1ea79345d7595912bd4ce358b' -- '.agents/skills/modern-cpp' && mkdir -p ~/.agents/skills && cp -R "$d"/'.agents/skills/modern-cpp' ~/.agents/skills/'modern-cpp' && 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/'modern-cpp' ~/.claude/skills/'modern-cpp' (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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