python-typing-patterns
Python type hints and type safety patterns. Triggers on: type hints, typing, TypeVar, Generic, Protocol, mypy, pyright, type annotation, overload, TypedDict.
88
86%
Does it follow best practices?
Impact
92%
1.06xAverage score across 3 eval scenarios
Passed
No known issues
Quality
Discovery
72%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 excels at trigger term coverage and distinctiveness, providing a comprehensive list of specific Python typing keywords that would reliably match user queries. However, it falls short on specificity of capabilities (no concrete actions listed) and completeness (lacks an explicit 'Use when...' clause describing scenarios for skill selection).
Suggestions
Add concrete actions such as 'Adds type annotations to functions, defines generic classes, creates TypedDict schemas, configures mypy/pyright, and implements Protocol-based structural typing.'
Replace 'Triggers on:' with a 'Use when...' clause, e.g., 'Use when the user asks about adding type hints, fixing mypy/pyright errors, or implementing type-safe patterns in Python.'
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | The description names the domain ('Python type hints and type safety patterns') but does not list specific concrete actions like 'annotate functions', 'configure mypy', or 'define generic classes'. It describes a topic area rather than actionable capabilities. | 2 / 3 |
Completeness | The 'what' is weakly stated ('type hints and type safety patterns') and the 'when' is provided via a 'Triggers on' list rather than an explicit 'Use when...' clause. While the trigger list partially serves as 'when' guidance, there is no explicit statement of when Claude should select this skill in context of user requests. | 2 / 3 |
Trigger Term Quality | Excellent coverage of natural trigger terms users would actually say: 'type hints', 'typing', 'TypeVar', 'Generic', 'Protocol', 'mypy', 'pyright', 'type annotation', 'overload', 'TypedDict'. These are the exact keywords a developer would use when seeking help with Python typing. | 3 / 3 |
Distinctiveness Conflict Risk | The description is clearly scoped to Python type hints and type safety with highly specific trigger terms like 'TypeVar', 'Protocol', 'mypy', 'pyright', and 'TypedDict'. This is a well-defined niche unlikely to conflict with other skills. | 3 / 3 |
Total | 10 / 12 Passed |
Implementation
100%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is an excellent reference skill that demonstrates strong content quality across all dimensions. It is concise, fully actionable with executable code examples, well-structured from basic to advanced patterns, and appropriately delegates advanced topics to clearly signaled reference files. The quick reference table is a particularly effective addition for rapid lookup.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is lean and efficient throughout. It uses code examples as the primary teaching mechanism with minimal prose, avoids explaining what type hints are or why they matter (Claude already knows), and every section earns its place as a reference pattern. | 3 / 3 |
Actionability | Every section provides fully executable, copy-paste ready Python code with concrete examples. The type checker commands section includes specific CLI invocations and pyproject.toml configuration. No pseudocode or vague descriptions. | 3 / 3 |
Workflow Clarity | This is a reference/pattern skill rather than a multi-step workflow skill. The single-purpose sections are unambiguous and clearly sequenced from basic to advanced. Type checker commands provide clear validation steps. No destructive or batch operations require feedback loops. | 3 / 3 |
Progressive Disclosure | The main file provides a concise overview of all major typing patterns, then clearly signals one-level-deep references for advanced topics (generics-advanced.md, protocols-patterns.md, etc.). Navigation is well-organized with separate sections for references, scripts, and assets. | 3 / 3 |
Total | 12 / 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.
Validation — 10 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 10 / 11 Passed | |
- Repository
- NeverSight/skills_feed
- Commit
9f4534c
- Reviewed
Table of Contents
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