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.

bind-cpp

25

FranciscoThiesen/mirror_bridge

Skill Claude CodeCodex

Generate Python/Lua/JavaScript bindings for C++ classes using mirrorbridge (C++26 reflection, zero boilerplate). Use when the user asks to make C++ code callable from Python/Lua/JS, to "bind" a C++ class or library, to replace pybind11 boilerplate, or to regenerate bindings after C++ header changes.

not rated 87 2d ago A SkillSpector: warn 76 tokens original Apache-2.0

tensormux/kernel-skills

Skill Claude CodeCodex

Guide the agent through designing and implementing a correct, efficient CUDA reduction kernel for a given operator (sum, max, min, or custom binary associative op), covering warp-level primitives, block-level reduction, multi-block strategies, and when to use CUB instead.

not rated 82 +3 3mo ago A 0 tokens original MIT

backend-rule

27

DataZooDE/flapi

Cursor rule Cursor

The backend is written in modern C++ and uses CMake, DuckDB and COW HTTP Framework.

not rated 74 14d ago A 1,619 tokens

clangd-graph-rag

28

2015xli/clangd-graph-rag

Skill Claude CodeCodex

This skill enables deep semantic and structural analysis of C/C++ codebases using a pre-built Neo4j GraphRAG. It provides insights into call chains, class hierarchies, macro causality, and type aliases.

not rated 63 5mo ago A 0 tokens original Apache-2.0

gdb

29

betab0t/skills

Skill Claude CodeCodex

Debug and trace C/C++/Rust programs with the GNU Debugger (GDB) without blocking the agent. Use when you need to set tracepoints, inspect variables, or monitor a running process while staying responsive to the user.

not rated 48 +1 5mo ago B 50 tokens original MIT

cpp-oop-style

30

archibate/dotfiles-claude

Skill Codex

High-quality C++ OOP coding style (archibate / parallel101 lineage) that overrides sloppy AI-default C++. Use this skill WHENEVER writing, editing, refactoring, or reviewing C++ code (.cpp / .h / .hpp / .cc / .cxx), designing C++ classes, interfaces, APIs, or libraries, or when the user mentions C++ design, OOP…

not rated 42 +1 changed 23d ago A 216 tokens

unreal-engine

31

DSTN2000/claude-unreal-engine-skill

Skill Claude CodeCodex

Comprehensive Unreal Engine C++ and Blueprint development assistant with deep project structure understanding. Use when helping with Unreal Engine projects, including: C++ gameplay programming, Blueprint development, input system configuration (Enhanced Input), Gameplay Ability System (GAS), project structure…

not rated 38 +2 9mo ago A 99 tokens

beads

32

ufna/VaCuus

Cursor rule Cursor

This project uses Beads (bd) for issue tracking.

not rated 37 +2 2d ago A 596 tokens

c-pro

33

calinfaja/K-LEAN

Agent Claude Code

C programming expert specializing in systems programming, memory management, and performance. Deep expertise in C99/C11/C17 standards, POSIX compliance, embedded systems, and kernel development. Use PROACTIVELY for C code review, memory safety analysis, or systems programming tasks.

not rated 35 8d ago A 58 tokens original Apache-2.0 archived

frama-c-proofreader

34

sysprog21/frama-c-mcp

Skill Codex

Verify and proofread C code with ACSL using this repository's Frama-C MCP workflow, Frama-C WP static proof, EVA alarms, and optional E-ACSL runtime checks. Use when asked to run Frama-C, check ACSL contracts, explain WP goals, inspect EVA alarms, validate C annotations, or state what a C proof does and does not…

not rated 35 +2 changed 1mo ago A SkillSpector: pass 82 tokens original MIT

cext-review-toolkit

35

ReviewToolkits/cext-review-toolkit

Plugin Claude Code

Bundles 1 skill, 4 commands, 14 agents · 1,739 tokens together

CPython C/C++ extension analysis agents: refcount auditing (with borrowed-ref-across-callback detection), error path analysis, NULL safety scanning, GIL discipline checking, module state validation, type slot correctness, stable ABI compliance, version compatibility scanning, PyErrClear auditing, resource lifecycle tr.

not rated 29 2mo ago A tokens not measured original MIT

moxpp-setup

37

Moxibyte/MoxPP

Skill Claude Code

Configures a freshly cloned MoxPP template for a new project. Use when starting a new C++ project from the MoxPP template and the developer needs to rename and configure it.

not rated 23 2d ago A 44 tokens

embedded-workbench

38

AmethystLuna/embedded-workbench

Plugin Claude Code

Bundles 8 skills, 4 agents, 1 hook · 656 tokens together

A collection of coding agents and skills for embedded C and C++, the languages commonly used for firmware in microcontrollers and other dedicated devices. It covers FreeRTOS, Keil MDK, ARMCLANG, hard-fault troubleshooting, state machines, system architecture, and LVGL patterns.

not rated 20 +5 changed today A tokens not measured original MIT

log-analyze

39

fossuav/aap

Skill Claude Code

Analyze ArduPilot DataFlash .bin log files or MAVLink .tlog telemetry logs. Use when the user provides a .bin or .tlog log file path or asks to analyze flight log data.

not rated 19 changed 7d ago A 46 tokens GPL-3.0

coding-style

40

Fuwn/suckless-agent-skills

Skill Claude CodeCodex

Coding style guidelines for C and POSIX code, covering layout, formatting, declarations, headers, and consistency expectations.

not rated 19 6mo ago A 26 tokens original MIT

linx-bench-workflow

41

PTO-ISA/SuperNPUBench

Skill Claude CodeCodex

Use when building the Linx compiler toolchain (linx-toolchain-build), compiling SuperNPUBench operators to ELF binaries and disassembly, building the SuperScalarModel simulator (gfrun/gfsim), or running simulation tests on compiled ELF files. Trigger keywords include "linx-toolchain-build", "SuperNPUBench"…

not rated 14 today B 157 tokens

Washabii14/agent-skills

Skill Claude CodeCodex

C/C++/CAPL best practices for automotive embedded systems. This skill should be used when writing, reviewing, or refactoring embedded C/C++ code or CAPL scripts targeting automotive ECUs, following MISRA, AUTOSAR, ISO 26262, and ISO 21434 guidelines. Triggers on tasks involving embedded firmware, CAN/CAN…

not rated 14 +1 7mo ago A 123 tokens original MIT

vs-token-safer

43

JSungMin/vs-token-safer

Plugin Claude Code

Bundles 3 skills, 6 commands, 1 agent, 1 plugin · 685 tokens together

Sits between Claude Code and your codebase and hands back a short file:line list instead of dumping source into the chat. It uses a real language server when it can (clangd / Roslyn / tsserver / pyright), tree-sitter when there's no toolchain, and a fuzzy search built from your repo's own naming when you don't know…

not rated 13 changed 20d ago A tokens not measured original MIT

cpp-oop-style

44

archibate/agent-skills

Skill Codex

High-quality C++ OOP coding style (archibate / parallel101 lineage) that overrides sloppy AI-default C++. Use this skill WHENEVER writing, editing, refactoring, or reviewing C++ code (.cpp / .h / .hpp / .cc / .cxx), designing C++ classes, interfaces, APIs, or libraries, or when the user mentions C++ design, OOP…

not rated 13 changed 13d ago A 140 tokens

code-reviewer

45

Bastioned-successor320/learn-nanobot

Skill Claude CodeCodex

A code-review procedure for Python, JavaScript, and Go programs. It checks security, performance, maintainability, naming, error handling, and testing.

not rated 12 6d ago A SkillSpector: pass 21 tokens original MIT

mspm0-skill

46

Ibook000/mspm0-skill

Skill Claude CodeCodex

Tool-neutral CLI agent rules for TI MSPM0 development with SysConfig, DriverLib, CCS, Keil/uVision, CMake/GCC/OpenOCD, and supported board references. Use when an agent needs to inspect or modify MSPM0 projects, validate SysConfig output, package examples, or work on NUEDC embedded firmware.

not rated 12 changed 1mo ago A 76 tokens original MIT

adamlipecz/esp32-firmware-engineer-skill

Skill Codex

ESP32 firmware engineering for ESP-IDF projects. Write, review, and debug embedded C/C++ code involving FreeRTOS tasks/queues/timers, GPIO/I2C/SPI/UART/ADC/PWM peripherals, TWAI/CAN, Wi-Fi/BLE networking, OTA updates, Secure Boot and flash encryption, LVGL display integration, build/flash/monitor workflows, logging…

not rated 12 7mo ago A Socket: passSnyk: warn 204 tokens

blas_lapack

48

datathings/marketplace

Plugin Claude Code

Bundles 1 skill · 133 tokens together

Complete CBLAS and LAPACKE C API reference (LAPACK v3.12.1) covering 1284 functions across BLAS Level 1/2/3 vector and matrix operations, linear system solvers, eigenvalue/eigenvector computation, SVD, least squares, matrix factorizations, and auxiliary routines for scientific computing and high-performance numerical…

not rated 11 changed today A tokens not measured original Apache-2.0

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: