C and C++

770 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

omarchy-app

01

omacom/omarchy

Skill Claude CodeCodex

Build a new desktop app for Omarchy the way Omarchy's own apps are built (Hype, Monologue, Omacut): C++ and Qt Quick, compiled with qmake6 and make into a single binary, following the Omarchy theme live, and installed as an Arch package so it shows up in the app launcher. Use when asked to make, build, or scaffold an…

not rated 45k +434 changed 4d ago A 138 tokens original MIT

compiler-explorer

02

compiler-explorer/compiler-explorer

MCP server Claude CodeCodexCursor +2

Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links. Remote server at godbolt.org.

not rated 19k +13 today A tokens not measured original BSD-2-Clause

rocketride-org/rocketride-server

Skill Claude CodeCodex needs its repo

Use when asked to build, run, or validate a RocketRide pipeline (e.g. "build me a chatbot that answers from my docs", "make a pipeline that summarizes uploaded PDFs", "run this pipeline"), or whenever turning a plain-language data/AI task into a working RocketRide pipeline.

not rated 18k +48 today A 66 tokens original MIT

cargo-pgrx

04

yugabyte/yugabyte-db

Skill Claude Code

Choose and run cargo-pgrx commands, pgrx tests, pgtest coverage, and pgsys boundary checks.

not rated 11k +15 today A 29 tokens

build

05

TeamHypersomnia/Hypersomnia

MCP server Claude CodeCodexCursor +2

MCP server "build" as configured in TeamHypersomnia/Hypersomnia. Runs cmake/mcp_build_server.py with python3.

not rated 1.7k +6 today A tokens not measured AGPL-3.0

move-copy-semantics

06

xLLM-AI/xllm

Cursor rule Cursor

Avoid std::move(const&) silent copies; use sink-by-value + std::move.

not rated 1.6k +6 today A 410 tokens original Apache-2.0

c-code-style

07

MaJerle/c-code-style

Plugin Claude Code

Bundles 1 skill · 79 tokens together

C coding style rules and clang-format enforcement for AI coding agents, based on Tilen Majerle's C style guide.

not rated 1.4k +4 1mo ago A tokens not measured original MIT

cudaq-guide

08

NVIDIA/cuda-quantum

Skill Claude CodeCodex ✓ vendor

Use for CUDA-Q setup, simulation targets, QPU access, and @cudaq.kernel authoring guidance.

not rated 1.2k +5 changed 1mo ago A SkillSpector: pass 26 tokens original Apache-2.0

ue-specifiers

09

fjz13/UnrealSpecifiers

Skill Codex

Use when writing, editing, reviewing, validating, or explaining Unreal Engine C++ reflected declarations: UCLASS, USTRUCT, UENUM, UINTERFACE, UPROPERTY, UFUNCTION, UPARAM, UMETA, meta=(...), Blueprint exposure, Details Panel, replication/RPC, SaveGame, Config, Instanced objects, UMG binding, type pickers, UHT…

not rated 1.1k 4mo ago A 0 tokens

cpu-kernels

10

huggingface/kernels

Skill Claude Code ✓ vendor

Provides guidance for writing, optimizing, and benchmarking C++ CPU kernels with SIMD intrinsics (AVX2/AVX512) for the Hugging Face kernels ecosystem. Includes a two-phase workflow: Phase 1 correctness (generic → AVX2) and Phase 2 performance exploration (AVX512 with branching trial loop), runtime CPU dispatch, OpenMP…

not rated 775 +9 today A SkillSpector: pass 89 tokens original Apache-2.0

TheQtCompanyRnD/agent-skills

Plugin Claude Code

Bundles 13 skills, 1 MCP server · 1,348 tokens together

Agentic engineering skills for Qt software development, including Qt C++/QML code review, QML coding, and Qt C++/QML code documentation. Bundles the hosted Qt Documentation MCP server for live Qt API lookups. These skills use AI and can make mistakes. Always double-check the output carefully.

not rated 486 +10 changed 10d ago A tokens not measured

review-trtmc-pr

14

NVIDIA/TensorRT-Model-Connect

Skill Codex needs its repo ✓ vendor

Review a TensorRT-Model-Connect GitHub PR or local contributor branch against the current post-#1093 model-family isolation architecture, repository rules, behavioral correctness, third-party dependency and license obligations, and exact-head validation evidence. Use for contributor self-review before marking a PR…

not rated 276 +1 changed 2d ago A 105 tokens original Apache-2.0

cpp-coroutines

15

mohitmishra786/low-level-dev-skills

Skill Claude CodeCodex

C++20 coroutines skill for understanding coroutine mechanics and debugging. Use when working with coawait, coyield, coreturn, implementing promisetype, understanding coroutine frame layout, debugging suspended coroutines in GDB, or inspecting frame allocation with Compiler Explorer. Activates on queries about C++20…

not rated 261 +6 3mo ago A Socket: passSnyk: passSkillSpector: pass 89 tokens original MIT

aethersdr/AetherSDR

MCP server Claude CodeCodexCursor +2

MCP server "aethersdr-automation" as configured in aethersdr/AetherSDR. Runs tools/aether_mcp.py with python3.

not rated 245 +6 today A tokens not measured GPL-3.0

cuda

18

technillogue/ptx-isa-markdown

Skill Claude CodeCodex

CUDA kernel development, debugging, and performance optimization for Claude Code. Use when writing, debugging, or optimizing CUDA code, GPU kernels, or parallel algorithms. Covers non-interactive profiling with nsys/ncu, debugging with cuda-gdb/compute-sanitizer, binary inspection with cuobjdump, and performance…

not rated 230 +1 9mo ago A 102 tokens

luamake

19

actboy168/luamake

Skill Claude CodeCodex

A Lua-based build system that generates Ninja build files for compiling C, C++, Lua modules, libraries, and programs. Build files describe how source code is turned into runnable software.

not rated 211 +1 10d ago A SkillSpector: pass 219 tokens original MIT

cpp

20

ClickHouse/ai-sdk-cpp

Cursor rule Cursor ✓ vendor

Name methods (casing, etc) like "isvalid", "streamtext".

not rated 189 +1 2mo ago A 312 tokens original Apache-2.0

tilelang-skill

21

slowlyC/agent-gpu-skills

Skill Claude CodeCodex needs its repo

Write, debug, and optimize TileLang kernels from local upstream language, JIT, autotuning, profiling, compiler, test, and example source. Use when the task explicitly involves tilelang, tilelang.language, @tilelang.jit, @T.primfunc, T.Kernel, T.copy, T.gemm, TileLang Profiler, Carver, TileLang passes, or TileLang…

not rated 170 +1 2mo ago A SkillSpector: warn 148 tokens original MIT

rsid-sdk

22

realsenseai/RealSenseID

Skill Claude CodeCodex

RealSenseID face authentication SDK reference. Use when writing code for face enrollment, authentication, host-mode faceprint extraction/matching, device configuration, user management, device discovery, camera preview, logging, or serial connection. Covers C++ (RealSenseID namespace), Python (rsidpy), and C# (rsid).

not rated 121 +1 11d ago A 70 tokens original Apache-2.0

add-to-cstring

23

celeritas-project/celeritas

Skill Claude CodeCodex

Add a tocstring function for a C++ enum type in the Celeritas codebase. Use when asked to add string conversion, tocstring, or enum-to-string functionality for any enum class. Follows the standard EnumStringMapper pattern used throughout the codebase.

not rated 105 yesterday A 61 tokens

unreal-api-mcp

24

Codeturion/unreal-api-mcp

MCP server Claude CodeCodexCursor +2

MCP server providing ground-truth Unreal Engine API documentation -- prevents AI hallucination of signatures, includes, and deprecated APIs. Runs locally from the unreal-api-mcp Python package. Needs 2 environment variables to run.

not rated 96 7d ago A Socket: warn tokens not measured original MIT

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