C++ agent skills for Claude Code, Codex and other agents.

Finds and fixes out-of-range output writes in ONNX Runtime operator shape-inference functions where a getNumOutputs guard admits too few outputs.

microsoft/onnxruntime

Scans a codebase for vulnerabilities with CodeQL's data flow and taint tracking in run-all or important-only modes, including data extensions for project-specific sources and sinks.

trailofbits/skills

Builds ONNX Runtime from source with its build scripts, explaining the update, build and test phases, key flags and where the build output lands.

microsoft/onnxruntime

Update/bump the libdatadog native library version in dd-trace-dotnet.

DataDog/dd-trace-dotnet

Guide for integrating the DirectXMesh geometry processing library into a C++ project.

microsoft/DirectXMesh

A skill your agent uses when writing, editing, reviewing, or debugging synthesizable SystemC code for Intel SystemC Compiler (ICSC) and SingleSource library.

intel/systemc-compiler

Guide for using the meshconvert command-line tool to convert Wavefront OBJ files to DirectX runtime formats (CMO, SDKMESH, VBO).

microsoft/DirectXMesh

Guide for modernizing and migrating MSBuild project files to SDK-style format.

microsoft/testfx

Catalog of MSBuild anti-patterns with detection rules and fix recipes.

microsoft/testfx

Run a Godot/GDExtension finish pass over the current diff: enforce headless GDScript validation, public API docclasses coverage, docs/spec/sample/test synchronization, and registration or CMake…

microsoft/XBOX-Godot-Sample

Spots and fixes known x86 C and C++ performance problems from source or profiler output, such as false sharing, missing restrict and narrow SIMD.

intel/intel-performance-skills

Finds sensitive data that C, C++ or Rust code never wipes from memory, including wipes the compiler optimizes away, using source, assembly and control-flow analysis.

trailofbits/skills

Generate MSBuild binary logs (binlogs) for build diagnostics and analysis.

microsoft/testfx

Convert PyTorch ATDISPATCH macros to ATDISPATCHV2 format in ATen C++ code.

intel/torch-xpu-ops

A checklist for upgrading the pinned ONNX version and opset in ONNX Runtime, covering the files to change, archive hashes, patch rebasing and release-candidate handling.

microsoft/onnxruntime

Lints and formats C++ and Python code in the ONNX Runtime repository with lintrunner, clang-format and ruff, preferring a pass over only the changed files.

microsoft/onnxruntime

Helps write, review and debug .NET declarations that call native C and C++ libraries, covering signatures, string marshalling, memory lifetime and SafeHandle.

dotnet/skills

Stack Trace Crash Analysis for dd-trace-dotnet. An agent skill from DataDog/dd-trace-dotnet.

DataDog/dd-trace-dotnet

Guides writing and improving fuzzing harnesses for C, C++ and Rust so random byte input gets translated into structured, reproducible test cases for the target code.

trailofbits/skills

Audits existing tests in any language using formal, research-backed test smell names and the testsmells.org 19-smell academic taxonomy.

dotnet/skills

Compiles cryptographic code and inspects the assembly or bytecode for variable-time instructions, then triages which flagged operations actually touch secrets.

trailofbits/skills

Assess a curated list of tests and produce a PR-ready table with a primary Pass, Failed, Uncertain, or Not applicable result plus A-F quality detail for every resolved test; Uncertain and Not…

dotnet/skills

Steers C++ code toward C++20, C++23 and C++26 idioms such as smart pointers, concepts, std::expected and std::print, with a security focus.

trailofbits/skills

Patches checksums, hash checks, time-based seeds and other non-deterministic state out of fuzzing builds so the fuzzer reaches deeper code, with production behavior intact.

trailofbits/skills

Performs comprehensive C/C++ security review for memory corruption, integer overflows, race conditions, and platform-specific vulnerabilities.

trailofbits/skills

Sets up and runs AFL++ for multi-core fuzzing of C/C++ projects built with afl-clang-fast or afl-gcc-fast.

trailofbits/skills

Sets up and runs libFuzzer, the coverage-guided fuzzer built into LLVM, on C/C++ code that compiles with Clang.

trailofbits/skills

Comprehensive guide for setting up and configuring CodeQL code scanning via GitHub Actions workflows and the CodeQL CLI.

github/awesome-copilot

A skill your agent uses when working with Slang shaders, shader modules, HLSL-compatible GPU code, graphics pipelines, compute shaders, tessellation, ray tracing, parameter blocks, generics…

github/awesome-copilot

Analyzes DWARF debug information in compiled binaries. An agent skill from trailofbits/skills.

trailofbits/skills

Map Intel GPU ISA instruction addresses to precise SYCL/DPC++ source file:line numbers.

intel/torch-xpu-ops

Provides file paths to language-specific extension files for the code-testing pipeline.

microsoft/testfx

Run the sched2tlx perf/correctness harness over the modulo-scheduling example corpus (case1-9: GEMM, persistent GEMM, FA fwd/bwd, addmm+bias, LayerNorm, wgrad+bias, multiphase GEMM, scaledmm).

facebookexperimental/triton

Deep-dive audit using the full testsmells.org 19-smell academic catalog for tests in any language.

microsoft/testfx

Guide for setting up vcpkg in C++ projects, managing dependency versions, and cross-compiling.

github/awesome-copilot

Creates Cloud Storage on Google Cloud (also known colloquially as GCS) buckets.

google/skills

Extract GPU ISA from AOT-compiled SYCL binaries using NEO driver runtime dump.

intel/torch-xpu-ops

A skill your agent uses when compile time or startup time is the problem in code that uses Warp: a request to improve, optimize, or cut compile times; an app that is slow to start or stalls at the…

NVIDIA/skills

Extract GPU ISA from JIT-compiled SYCL kernels. An agent skill from intel/torch-xpu-ops.

intel/torch-xpu-ops

A skill your agent uses for CUDA-Q setup, simulation targets, QPU access, and @cudaq.kernel authoring guidance.

NVIDIA/skills

Modify, build, test, debug, and contribute to NVIDIA cuOpt (C++/CUDA, Python, server, CI).

NVIDIA/skills

A skill your agent uses for debugger-driven runtime root-cause analysis in Rider-supported solutions and projects, including .NET/C, F, VB, C++, Unity, Unreal Engine, and other GameDev or…

JetBrains/skills

A skill your agent uses when semantic refactoring is needed in Rider-supported solutions and projects, including .NET/C, F, VB, C++, Unity, Unreal Engine, XAML, Razor, and other GameDev or…

JetBrains/skills

PLAINTEXT-ONLY: the shipped docaflowgrpc server uses grpc::InsecureServerCredentials() with NO TLS / mTLS / token-auth knob on the binary — transport security must come from external infrastructure…

NVIDIA/skills

Install Holoscan SDK v4.3+ via Conda in a CUDA 13 environment.

NVIDIA/skills

Install Holoscan SDK natively on Ubuntu via apt. An agent skill from NVIDIA/skills.

NVIDIA/skills

Install Holoscan SDK Python wheel via pip into a venv. An agent skill from NVIDIA/skills.

NVIDIA/skills

Extract Intel GPU ISA (assembly) from any XPU kernel. An agent skill from intel/torch-xpu-ops.

intel/torch-xpu-ops