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python-patterns

Pythonic イディオム、PEP 8標準、型ヒント、堅牢で効率的かつ保守可能なPythonアプリケーションを構築するためのベストプラクティス。

39

Quality

37%

Does it follow best practices?

Impact

No eval scenarios have been run

SecuritybySnyk

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./docs/ja-JP/skills/python-patterns/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

42%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This skill is essentially a comprehensive Python tutorial/reference that teaches concepts Claude already knows deeply—list comprehensions, context managers, decorators, type hints, dataclasses, async/await, etc. While the code examples are high quality and executable, the skill violates the core principle that skills should 'add only what Claude doesn't already know.' The content would benefit enormously from being reduced to project-specific conventions or non-obvious patterns, with the bulk of standard Python knowledge removed.

Suggestions

Remove all standard Python knowledge (decorators, comprehensions, context managers, type hints basics, etc.) that Claude already knows, and focus only on project-specific conventions or non-obvious decisions (e.g., 'always use ruff over pylint', specific pyproject.toml settings required).

Split remaining content into a brief SKILL.md overview with references to separate files like TOOLING.md (for tool configs), PATTERNS.md (for any truly project-specific patterns), and ANTIPATTERNS.md.

Add a clear workflow sequence for code writing/review: e.g., write → run ruff → run mypy → run pytest → validate coverage thresholds, with explicit pass/fail checkpoints.

Reduce the file to under 50 lines focusing on what makes THIS project's Python conventions unique rather than restating PEP 8 and standard Python idioms.

DimensionReasoningScore

Conciseness

This is extremely verbose at ~500+ lines, covering fundamental Python concepts (list comprehensions, context managers, decorators, type hints, etc.) that Claude already knows thoroughly. Nearly every section explains basic Python knowledge that adds no new information for Claude. The Japanese headers don't add value over what Claude inherently understands about Python idioms.

1 / 3

Actionability

The code examples are fully executable, concrete, and copy-paste ready throughout. Each pattern includes both good and bad examples with clear, runnable Python code, and the tooling section provides specific CLI commands and complete pyproject.toml configuration.

3 / 3

Workflow Clarity

The 'when to activate' section provides clear triggers, and the tool commands are listed, but there's no sequenced workflow for applying these patterns during development. For a skill about writing/reviewing Python code, there's no validation checkpoint or process flow (e.g., write → lint → type-check → test cycle).

2 / 3

Progressive Disclosure

This is a monolithic wall of text with no references to external files and no layered structure. All content—from basic idioms to advanced concurrency patterns to tooling configuration—is dumped into a single massive file with no separation of concerns or navigation aids for different complexity levels.

1 / 3

Total

7

/

12

Passed

Description

32%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description identifies the Python domain and mentions specific standards (PEP 8, type hints, Pythonic idioms), but reads more like a topic list than an actionable skill description. It completely lacks a 'Use when...' clause, uses no action verbs to describe what the skill does, and the Japanese language may limit trigger matching for many users.

Suggestions

Add an explicit 'Use when...' clause specifying triggers, e.g., 'Use when the user asks for Python code review, style improvements, PEP 8 compliance, or adding type hints.'

Replace the noun-heavy description with concrete action verbs: e.g., 'Reviews Python code for PEP 8 compliance, refactors to use Pythonic idioms, adds type annotations, and suggests best practices for maintainability.'

Include common user-facing trigger terms and file extensions like '.py', 'code style', 'refactor', 'linting', 'clean code' to improve matching.

DimensionReasoningScore

Specificity

Names the domain (Python) and mentions some specific concepts like 'Pythonic idioms', 'PEP 8 standards', 'type hints', and 'best practices', but these are more like categories than concrete actions. No verbs describing what the skill actually does (e.g., 'refactors code', 'reviews style', 'adds type annotations').

2 / 3

Completeness

Describes 'what' at a high level (Python best practices, PEP 8, type hints) but completely lacks any 'when' clause or explicit trigger guidance. There is no 'Use when...' or equivalent, which per the rubric should cap completeness at 2, and since the 'what' is also vague, a score of 1 is appropriate.

1 / 3

Trigger Term Quality

Includes relevant keywords like 'PEP 8', 'type hints', 'Pythonic', and 'Python' that users might mention. However, being in Japanese limits matching for English-speaking users, and it misses common variations like 'code style', 'linting', 'code review', 'refactor', or file extensions like '.py'.

2 / 3

Distinctiveness Conflict Risk

Somewhat specific to Python coding standards and idioms, which narrows the domain, but could easily overlap with general Python development skills, code review skills, or any Python-related skill. The lack of concrete action boundaries makes conflict likely.

2 / 3

Total

7

/

12

Passed

Validation

90%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (750 lines); consider splitting into references/ and linking

Warning

Total

10

/

11

Passed

Repository
affaan-m/everything-claude-code
Reviewed

Table of Contents

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