How do I install the Python skill?

Run npx skillmds@latest add jylhis/python in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Python safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Python?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Python free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Python?

Jylhis (@jylhis) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Python by jylhis — Agent Skill

Name: Python
Author: Jylhis

Python

Use for Python 3.12+ work — modern code style (PEP 8, match, pathlib, f-strings), asyncio (TaskGroup, gather, cancellation), error handling (Exception design, ExceptionGroup), type hints (PEP 695 generics, TypedDict, Protocol, pyright), dataclasses vs Pydantic, Ruff (format & lint), packaging with uv, and pytest testing (fixtures, parametrize, asyncio, mocking, coverage). Read the matching reference before acting.

Jylhis 52aed9b 11 files · 47.6 KB Updated Sep 17, 2026

File contents

Python skill index

Pick the topic and read its reference before writing or reviewing Python code. Each reference is the focused, opinionated guidance for that sub-topic.

Topic	When to read	Reference
Code style	PEP 8, comprehensions, f-strings, match/case, walrus, pathlib, dataclasses, modern union syntax	`references/code-style.md`
Async / asyncio	async/await, TaskGroup, gather, cancellation, timeout, Semaphore, Queue, to_thread, debug mode	`references/async.md`
Error handling	exception hierarchy design, narrow try/except, raise X from Y, ExceptionGroup / except*, contextlib.suppress	`references/error-handling.md`
Type hints	PEP 695 generics, TypedDict, Protocol, Literal, Final, overload, X \| None, pyright/mypy strict mode	`references/type-hints.md`
Dataclasses / Pydantic	choosing between @dataclass, Pydantic v2 BaseModel, TypedDict, attrs, frozen=True	`references/dataclasses-pydantic.md`
Formatting (Ruff)	ruff format config, line-length, pre-commit, CI, migrating from black	`references/formatting.md`
Linting (Ruff)	rule selection (E/F/I/B/UP/PL/RUF), per-file-ignores, --fix, replacing flake8/pylint/isort	`references/linting.md`
Packaging (uv)	uv init / sync / add / build / publish, pyproject [project], workspaces, [project.scripts], migrating from pip/poetry/pdm	`references/packaging.md`
Testing (pytest)	fixtures, @parametrize, pytest-asyncio, mocking, monkeypatch, tmp_path, capsys/caplog, coverage	`references/testing.md`

For Python security topics (subprocess, pickle, yaml, SSRF, SQLi, secrets, crypto), use the security skill instead.

After reading the reference, follow its guidance for the task.

---name: pythondescription: Use for Python 3.12+ work — modern code style (PEP 8, match, pathlib, f-strings), asyncio (TaskGroup, gather, cancellation), error handling (Exception design, ExceptionGroup), type hints (PEP 695 generics, TypedDict, Protocol, pyright), dataclasses vs Pydantic, Ruff (format & lint), packaging with uv, and pytest testing (fixtures, parametrize, asyncio, mocking, coverage). Read the matching reference before acting.---# Python skill indexPick the topic and read its reference before writing or reviewingPython code. Each reference is the focused, opinionated guidance forthat sub-topic.| Topic | When to read | Reference ||---|---|---|| Code style | PEP 8, comprehensions, f-strings, match/case, walrus, pathlib, dataclasses, modern union syntax | `references/code-style.md` || Async / asyncio | async/await, TaskGroup, gather, cancellation, timeout, Semaphore, Queue, to_thread, debug mode | `references/async.md` || Error handling | exception hierarchy design, narrow try/except, raise X from Y, ExceptionGroup / except*, contextlib.suppress | `references/error-handling.md` || Type hints | PEP 695 generics, TypedDict, Protocol, Literal, Final, overload, X \| None, pyright/mypy strict mode | `references/type-hints.md` || Dataclasses / Pydantic | choosing between @dataclass, Pydantic v2 BaseModel, TypedDict, attrs, frozen=True | `references/dataclasses-pydantic.md` || Formatting (Ruff) | ruff format config, line-length, pre-commit, CI, migrating from black | `references/formatting.md` || Linting (Ruff) | rule selection (E/F/I/B/UP/PL/RUF), per-file-ignores, --fix, replacing flake8/pylint/isort | `references/linting.md` || Packaging (uv) | uv init / sync / add / build / publish, pyproject [project], workspaces, [project.scripts], migrating from pip/poetry/pdm | `references/packaging.md` || Testing (pytest) | fixtures, @parametrize, pytest-asyncio, mocking, monkeypatch, tmp_path, capsys/caplog, coverage | `references/testing.md` |For Python **security** topics (subprocess, pickle, yaml, SSRF, SQLi,secrets, crypto), use the `security` skill instead.After reading the reference, follow its guidance for the task.

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