Pytorch Skills

pytorch/.claude/skills/add-uint-support

Add unsigned integer (uint) type support to PyTorch operators by updating AT_DISPATCH macros. Use when adding support for uint16, uint32, uint64 types to…

pytorch/.claude/skills/aoti-debug

Debug AOTInductor (AOTI) errors and crashes. Use when encountering AOTI segfaults, device mismatch errors, constant loading failures, or runtime errors from…

pytorch/.claude/skills/at-dispatch-v2

Convert PyTorch AT_DISPATCH macros to AT_DISPATCH_V2 format in ATen C++ code. Use when porting AT_DISPATCH_ALL_TYPES_AND*, AT_DISPATCH_FLOATING_TYPES*, or…

executorch/skills/binary-size

Analyze and reduce ExecuTorch binary size. Use when investigating binary size, running size tests, or optimizing the runtime for size-constrained deployments.

executorch/skills/building

Build ExecuTorch from source — Python package, C++ runtime, runners, cross-compilation, and backend-specific builds. Use when compiling anything in the…

pytorch/.claude/skills/ci-metrics

Query PyTorch CI, GitHub Actions, HUD, Grafana, and infrastructure metrics. Use when users ask about CI duration, job failures, queue times, workflow trends,…

executorch/skills/cortex-m

Build, test, or develop the Cortex-M (CMSIS-NN) backend. Use when working on backends/cortex_m/, running Cortex-M tests, or exporting models for Cortex-M…

pytorch/.claude/skills/cuda-index-width

Choose 32-bit vs 64-bit index math in PyTorch CUDA kernels. Use when fixing large-tensor indexing overflows, deciding whether to use int64_t,…

pytorch/.claude/skills/distributed-triage

Sub-triages issues in the oncall:distributed queue by assigning distributed module labels, routing to sub-oncalls, and marking triaged. Use when an issue has…

pytorch/.claude/skills/docstring

Write docstrings for PyTorch functions and methods following PyTorch conventions. Use when writing or updating docstrings in PyTorch code.

pytorch/.claude/skills/document-public-apis

Document undocumented public APIs in PyTorch by removing functions from coverage_ignore_functions and coverage_ignore_classes in docs/source/conf.py, running…

executorch/skills/executorch-kb

Search the ExecuTorch tribal knowledge base covering QNN, XNNPACK, Vulkan, CoreML, Arm, and Cadence backends, quantization recipes, export pitfalls, runtime…

executorch/skills/export

Export a PyTorch model to .pte format for ExecuTorch. Use when converting models, lowering to edge, or generating .pte files.

pytorch/.claude/skills/fix-issue

Fix bugs reported in PyTorch GitHub issues by reproducing, root-causing, and implementing a fix in the local working tree. Use when the user asks to fix a…

pytorch/.claude/skills/metal-kernel

Write Metal/MPS kernels for PyTorch operators. Use when adding MPS device support to operators, implementing Metal shaders, or porting CUDA kernels to Apple…

test-infra/.claude/skills/migrate-workflow-ec2-to-osdc

Step-by-step playbook for migrating a pytorch/pytorch .github/workflows/*.yml from EC2 to OSDC (ARC) runners — covers both dial-up and 100% opt-in patterns,…

pytorch/.claude/skills/pr-review

Review PyTorch pull requests for code quality, test coverage, security, and backward compatibility. Use when reviewing PRs, when asked to review code changes,…

executorch/skills/profile

Profile ExecuTorch model execution. Use when measuring performance, analyzing operator timing, or debugging slow models.

pytorch/.claude/skills/pt2-bug-basher

Debug PyTorch 2 compiler stack failures including Dynamo graph breaks, Inductor codegen errors, AOTAutograd crashes, and accuracy mismatches. Use when…

pytorch/.claude/skills/pyrefly-type-coverage

Migrate a file to use stricter Pyrefly type checking with annotations required for all functions, classes, and attributes.

executorch/skills/qualcomm

Build, test, or develop the QNN (Qualcomm AI Engine Direct) backend. Use when working on backends/qualcomm/, building QNN (use…

test-infra/.claude/skills/r2-outage-toggle

Disable or re-enable Cloudflare R2 (download-r2.pytorch.org) usage in manage_v2.py during R2 outages. Can toggle R2 off/on for nightly builds, prod/stable…

test-infra/.claude/skills/release-cherry-pick-missing-reverts

Find reverts that landed on pytorch/pytorch main but are missing from a release branch (release/X.Y) because the reverted commit was already shipped in a…

test-infra/.claude/skills/release-create-tracker-issue

Generate (and optionally open) a PyTorch release tracker / cherry-pick tracking issue from a release announcement, like…

test-infra/.claude/skills/release-create-validation-issue

Generate a PyTorch release validation checklist issue by pulling open/closed issues from a GitHub milestone and cherry-picks from a release tracker issue.…

test-infra/.claude/skills/release-go-live-binary-build-matrix

Update tools/scripts/generate_binary_build_matrix.py when a PyTorch release goes live. Advances CURRENT_STABLE_VERSION to the new stable, promotes the…

test-infra/.claude/skills/release-update-docker-image-pin

Pin (or re-pin) the Linux manywheel builder docker images used by the nightly/release binary build workflows in pytorch/pytorch to a fixed .ci/docker build.…

pytorch/.claude/skills/scrub-issue

Fetch, analyze, reproduce, and minimize GitHub issue reproductions. Use when asked to check if an issue reproduces, minimize a repro, analyze a bug report, or…

executorch/skills/setup

Set up ExecuTorch development environment. Use when installing dependencies, setting up conda environments, or preparing to develop with ExecuTorch.

pytorch/.claude/skills/skill-writer

Guide for creating well-structured Agent Skills for Claude Code with best practices and validation. Covers full Skill lifecycle: scoping, file structure, YAML frontmatter validation, content organization, and testing procedures Enforces strict naming rules (lowercase, hyphens, max 64 chars) and description requirements (specific triggers, file types, "what" and "when" clauses) Provides templates for common patterns including read-only Skills, script-based Skills, and multi-file Skills with...