development Skills

Complete Python Software Development Lifecycle - virtual environments, packaging (pip, poetry, uv), testing (pytest), ty...

Simplify overly complex Python code. Use when user asks to simplify, refactor, clean up, make more readable, reduce comp...

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Comprehensive Python programming guidelines based on Google's Python Style Guide. Use when Claude needs to write Python...

Python coding standards including line length (80 chars), naming conventions (snake_case, PascalCase), type hints, docst...

When running, packaging, linting, formatting, or type-checking Python — use uv, Ruff, and ty with changes scoped to touc...

Use when Python's type system including type hints, mypy, Protocol, TypedDict, and Generics. Use when working with Pytho...

Use when defining or evolving public interfaces, schema boundaries, or pydantic usage in Python. Also use when annotatio...

Python type hints and type safety patterns. Triggers on: type hints, typing, TypeVar, Generic, Protocol, mypy, pyright,...

Guidelines for Python dependency management using uv, the fast Python package installer and resolver.

Python single-file script development using uv and PEP 723 inline metadata. Prevents invalid patterns like [tool.uv.meta...

Develop Python scripts and modules for building AI workflows and integrations. Use when coding data ingestion, transform...

Apply idiomatic Python patterns: list comprehensions, generators, context managers, decorators, dataclasses, walrus oper...

Python-based threat modeling using pytm library for programmatic STRIDE analysis, data flow diagram generation, and auto...

PyTorch CUDA environment and performance guidance, with emphasis on CUDA 13 toolkit/driver requirements, PyTorch wheel c...

Library for Graph Neural Networks (GNNs). Covers MessagePassing layers, modular aggregation schemes, and handling large...

Routes pyts time-series loading, preprocessing, symbolic encoding, feature extraction, metrics, classification, and mult...

Create a new module or subpackage in a pywf open-source Python library, together with its mirrored test file, its all.py...

Upgrade, hold, or replace the dependencies of a pywf open-source Python library: find outdated and unmaintained packages...

Generate an Agent Skill, named pypi-<package_name>, that documents this library's public API and command line interface,...

When to reach for PyWry MCP tools (native webview rendering, Plotly, TradingView, AgGrid, chat) instead of writing Flask...

How the Zig↔Python binding layer works (pyzig), including build-on-import, wrapper generation patterns, ownership rules,...

The Paperzilla CLI (pz) for searching, filtering, and browsing high-signal academic papers. Use when the user wants to c...

Use when debugging PZ B42 Lua mods or NPC spawns.

Build, review, debug, and automate Q-Chem quantum chemistry workflows. Use when working with Q-Chem input files, $rem se...

Create, audit or refresh evidence-grounded interactive software diagrams from source, schemas, config, or requirements;...

Use after making changes to visually validate the app in the iOS Simulator. Builds, installs, launches the app, then use...

Audits a feature that has shipped to a dev or staging server against the plan of record — spec entries and the Figma des...

Generate QA steps for Jira tickets in German/English technical writing style

Unified QA pass using existing qa-* scripts. Runs appropriate quality checks based on scope (dev/pass/full). Use when us...

Read-only automated QA sweep of a deployed stardust site on AEM Edge Delivery Services — validates routing, content fide...

Use for paranoid, language-agnostic architectural code review — applies SOLID, DRY/KISS/YAGNI, decoupling, OWASP/NIST se...

Fix browser/API/CLI/job/worker/webhook bugs. (gstack)

Meticulous QA subagent for test planning, bug hunting, edge-case analysis, and implementation verification.

App-specific QA audit skill for the Claude Code Cloud web app. Contains flow map, test cases, known issues, and mobile-s...

Executes behavioral API tests by spinning up the service and making real HTTP requests. Validates status codes, response...

Understand and suggest QA test cases based on code changes

PR作成前の品質保証チェックを実行します。Lint、テスト、ビルド、カバレッジ確認を自動で行い、合格/不合格を判定します。フロントエンドのみ、バックエンドのみ、または両方のチェックが可能です。

Generate a QA checklist from the current branch's change and write it into the current PR's body as a `## QA Checklist`...

Validates API contracts by discovering consumers and ensuring responses match their expectations. Detects breaking chang...

actor: qa | mandate: Validate API/event contracts | bounds: No performance testing

Review test suites for coverage gaps, flaky tests, assertion quality, and real-world failure detection.

Systematic debugging methodologies, troubleshooting workflows, logging strategies, error tracking, performance profiling...

Compares visual snapshots to a stored baseline using a DOM-sampled perceptual hash computed via browser_evaluate + Canva...

Report browser/API/CLI/job/worker/webhook bugs. (gstack)

Pragmatic QA system that analyzes codebases, designs risk-proportional testing strategies, and manages test suites built...

actor: qa | mandate: Prepare test environment and fixtures | bounds: No test execution yet

Systematic refactoring patterns, code smell detection, technical debt management, automated code quality gates, and lega...