angular-ui-patterns
Modern Angular UI patterns for loading states, error handling, and data display. Use when building UI components, handling async data, or managing component states.
71
66%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./skills/antigravity-angular-ui-patterns/SKILL.mdQuality
Discovery
67%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 a solid structure with both 'what' and 'when' clauses, which is its main strength. However, it stays at a category level rather than listing concrete actions, and the trigger terms are somewhat generic beyond 'Angular'. It would benefit from more specific actions and Angular-specific terminology to better distinguish it from other UI framework skills.
Suggestions
Add more specific concrete actions, e.g., 'Implements skeleton loaders, error boundaries, empty states, and async pipe patterns in Angular components'.
Include more Angular-specific trigger terms in the 'Use when' clause, such as 'Observable handling', 'RxJS', 'Angular signals', 'ngIf/ngSwitch patterns', or '@defer blocks'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (Angular UI) and mentions some areas (loading states, error handling, data display), but these are more categories than concrete actions. It doesn't list specific actions like 'create skeleton loaders', 'implement error boundaries', or 'build data tables'. | 2 / 3 |
Completeness | Clearly answers both 'what' (Angular UI patterns for loading states, error handling, data display) and 'when' (Use when building UI components, handling async data, or managing component states) with an explicit 'Use when...' clause. | 3 / 3 |
Trigger Term Quality | Includes some relevant terms like 'Angular', 'UI components', 'loading states', 'async data', 'component states', but misses common variations users might say such as 'spinner', 'skeleton loader', 'error message', 'Observable', 'RxJS', 'ngIf', 'signals', or specific Angular version references. | 2 / 3 |
Distinctiveness Conflict Risk | While 'Angular' narrows the scope, terms like 'UI components', 'async data', and 'component states' are broad enough to overlap with other frontend framework skills or general UI pattern skills. It could conflict with React or Vue UI pattern skills if the trigger terms aren't specific enough. | 2 / 3 |
Total | 9 / 12 Passed |
Implementation
64%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a solid, highly actionable Angular UI patterns skill with excellent executable code examples using modern Angular features (signals, control flow syntax, standalone components). Its main weaknesses are verbosity through repetition (anti-patterns section duplicates earlier examples) and the monolithic structure that could benefit from splitting into overview + reference files. The checklist at the end is a strong addition but the overall document is longer than necessary.
Suggestions
Remove the Anti-Patterns section entirely since each pattern already includes CORRECT/WRONG comparisons inline, eliminating ~40 lines of duplication.
Extract detailed component implementations (ErrorStateComponent, EmptyStateComponent, form patterns, dialog patterns) into a separate PATTERNS_REFERENCE.md and link from the main skill.
Remove the generic 'When to Use' and 'Limitations' boilerplate sections—they add no Angular-specific value and waste tokens.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is fairly well-structured but contains significant repetition—the same patterns (loading states, error handling, button disabling) are shown multiple times in slightly different forms (main sections + anti-patterns section). The anti-patterns section largely duplicates earlier CORRECT/WRONG examples. The boilerplate 'When to Use' and 'Limitations' sections add no value. | 2 / 3 |
Actionability | Every pattern includes fully executable, copy-paste-ready Angular component code with modern syntax (signals, @if/@for/@defer, standalone components). The examples are concrete, complete, and use real Angular APIs with proper imports and dependency injection. | 3 / 3 |
Workflow Clarity | The loading state decision tree is clear and the checklist at the end provides good validation steps. However, there's no explicit workflow for building a component from scratch—it's a collection of patterns rather than a sequenced process. The checklist is good but lacks feedback loops (e.g., what to do if accessibility audit fails). | 2 / 3 |
Progressive Disclosure | The content is well-organized with clear section headers and a logical progression from loading states through error handling to forms and dialogs. However, at ~350 lines it's quite long and could benefit from splitting detailed patterns (forms, dialogs, error components) into separate reference files, keeping SKILL.md as a concise overview with links. | 2 / 3 |
Total | 9 / 12 Passed |
Validation
81%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 9 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
skill_md_line_count | SKILL.md is long (518 lines); consider splitting into references/ and linking | Warning |
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 9 / 11 Passed | |
- Repository
- boisenoise/skills-collections
- Commit
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