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 has strong trigger term coverage with specific Python typing keywords that would reliably match user queries. However, it lacks concrete action descriptions (what the skill actually does beyond the topic area) and would benefit from an explicit 'Use when...' clause describing scenarios rather than just listing trigger keywords.
Suggestions
Add specific concrete actions, e.g., 'Guides writing Python type annotations, configuring type checkers, defining generic classes, creating TypedDict schemas, and resolving mypy/pyright errors.'
Add an explicit 'Use when...' clause, e.g., 'Use when the user needs help adding type hints to Python code, fixing type checker errors, or designing type-safe APIs.'
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | 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 partially addressed via the 'Triggers on:' list, but there is no explicit 'Use when...' clause describing scenarios. The trigger list serves as a partial substitute but doesn't describe when to select this skill in context. | 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 specific focus on Python type hints, typing module constructs, and type checkers (mypy, pyright) creates a clear niche that is unlikely to conflict with other skills. The trigger terms are highly specific to this domain. | 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 efficiently covers Python typing patterns with executable code examples, minimal prose, and strong progressive disclosure. It respects Claude's intelligence by jumping straight into patterns without explaining basic concepts, and it appropriately delegates advanced topics to clearly-labeled reference files. The quick reference table and type checker commands add practical value without bloat.
| 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 delivers concrete patterns without padding. | 3 / 3 |
Actionability | Every section provides fully executable, copy-paste ready Python code with real type annotations. The type checker commands section includes specific CLI invocations and pyproject.toml configuration. The quick reference table provides an efficient lookup for common patterns. | 3 / 3 |
Workflow Clarity | This is a reference/pattern skill rather than a multi-step workflow skill. The single-task sections are each unambiguous and clearly sequenced from basic to advanced. The type checker commands section provides clear, actionable steps. No destructive or batch operations require validation checkpoints. | 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.). The Additional Resources section is well-organized with descriptive labels, and related skills are clearly linked. | 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
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- Reviewed
Table of Contents
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