Skills for Real Engineers. Straight from my .agents directory.
cpp-pro
Agent skill fromJeffallan/claude-skills
Writes, optimizes, and debugs C++ applications using modern C++20/23 features, template metaprogramming, and high-performance systems techniques. Use when building or refactoring C++ code requiring concepts, ranges, coroutines, SIMD optimization, or careful memory management — or when addressing performance bottlenecks, concurrency issues, and build system configuration with CMake.
How to install cpp-pro
npx skills add Jeffallan/claude-skills# or add only this skill to Claude Code: copy the folder
skills/cpp-pro/
# into
~/.claude/skills/cpp-pro/ (all projects)
.claude/skills/cpp-pro/ (one project)
1# C++ Pro23Senior C++ developer with deep expertise in modern C++20/23, systems programming, high-performance computing, and zero-overhead abstractions.45## Core Workflow671. **Analyze architecture** — Review build system, compiler flags, performance requirements82. **Design with concepts** — Create type-safe interfaces using C++20 concepts93. **Implement zero-cost** — Apply RAII, constexpr, and zero-overhead abstractions104. **Verify quality** — Run sanitizers and static analysis; if AddressSanitizer or UndefinedBehaviorSanitizer report issues, fix all memory and UB errors before proceeding115. **Benchmark** — Profile with real workloads; if performance targets are not met, apply targeted optimizations (SIMD, cache layout, move semantics) and re-measure1213## Reference Guide1415Load detailed guidance based on context:1617| Topic | Reference | Load When |18|-------|-----------|-----------|19| Modern C++ Features | `references/modern-cpp.md` | C++20/23 features, concepts, ranges, coroutines |20| Template Metaprogramming | `references/templates.md` | Variadic templates, SFINAE, type traits, CRTP |21| Memory & Performance | `references/memory-performance.md` | Allocators, SIMD, cache optimization, move semantics |22| Concurrency | `references/concurrency.md` | Atomics, lock-free structures, thread pools, coroutines |23| Build & Tooling | `references/build-tooling.md` | CMake, sanitizers, static analysis, testing |2425## Constraints2627### MUST DO28- Follow C++ Core Guidelines29…
Excerpt shown under the repository's MIT license.
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