angular-state-management
Master modern Angular state management with Signals, NgRx, and RxJS. Use when setting up global state, managing component stores, choosing between state solutions, or migrating from legacy patterns.
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-state-management/SKILL.mdQuality
Discovery
89%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is a solid skill description that clearly identifies its domain (Angular state management) and provides explicit trigger guidance via a 'Use when' clause. The main weakness is that the capabilities listed are somewhat categorical rather than listing concrete specific actions. The trigger terms are well-chosen and cover the natural vocabulary developers would use.
Suggestions
Replace vague action phrases with more concrete ones, e.g., 'Creates NgRx stores with actions/reducers/effects, converts BehaviorSubjects to Signals, implements component-level stores with NgRx ComponentStore' instead of 'setting up global state, managing component stores'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (Angular state management) and mentions specific technologies (Signals, NgRx, RxJS), but the actions are somewhat vague — 'setting up global state', 'managing component stores', 'choosing between state solutions', and 'migrating from legacy patterns' are more categories of work than concrete actions like 'create a signal-based store' or 'convert BehaviorSubject to Signal'. | 2 / 3 |
Completeness | Clearly answers both 'what' (master modern Angular state management with Signals, NgRx, and RxJS) and 'when' (explicit 'Use when' clause covering setting up global state, managing component stores, choosing between state solutions, or migrating from legacy patterns). | 3 / 3 |
Trigger Term Quality | Includes strong natural keywords users would say: 'Angular', 'Signals', 'NgRx', 'RxJS', 'global state', 'component stores', 'state management', and 'migrating from legacy patterns'. These cover the main terms a developer would use when seeking help with Angular state management. | 3 / 3 |
Distinctiveness Conflict Risk | The combination of Angular-specific state management technologies (Signals, NgRx, RxJS) creates a clear niche that is unlikely to conflict with general frontend skills, React state management skills, or generic coding skills. The triggers are distinctly Angular-focused. | 3 / 3 |
Total | 11 / 12 Passed |
Implementation
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 a comprehensive Angular state management tutorial rather than a concise, targeted skill file. While the code examples are high-quality and executable, the content is far too verbose for a SKILL.md—it includes extensive patterns Claude already knows, lacks progressive disclosure through file references, and misses validation/debugging workflows despite claiming to cover debugging. The content would benefit enormously from being split into a brief overview SKILL.md with references to detailed pattern files.
Suggestions
Reduce SKILL.md to a concise overview (~50-80 lines) with the selection criteria table and one quick-start example, then move detailed patterns (NgRx Store, ComponentStore, server state, migration) into separate referenced files like NGRX_STORE.md, SIGNAL_PATTERNS.md, MIGRATION.md
Remove explanatory content Claude already knows (state category descriptions, why computed() is memoized, why inject() is preferred) and keep only the project-specific conventions or non-obvious patterns
Add explicit validation/debugging workflow steps—e.g., how to verify state is working correctly using DevTools, what to check when state updates aren't reflecting, and a troubleshooting checklist
Add a concrete decision flowchart or checklist for choosing between state solutions rather than the vague text-based selection criteria
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Extremely verbose at ~400+ lines. Includes extensive code examples for multiple state management approaches (Signal services, NgRx Store, ComponentStore, server state, migration patterns) that Claude already knows well. The state categories table, selection criteria, best practices tables, and migration examples are largely things Claude can derive from its training. This reads more like a tutorial than a skill file. | 1 / 3 |
Actionability | All code examples are fully executable TypeScript with proper imports, decorators, and component usage patterns. The examples cover complete patterns from service definition through component consumption, and include concrete patterns like optimistic updates with rollback. | 3 / 3 |
Workflow Clarity | The selection criteria provide a decision tree for choosing state solutions, and the migration section shows before/after patterns. However, there are no explicit validation checkpoints, no verification steps after implementing state management, and no feedback loops for debugging state issues despite listing 'Debugging state-related issues' as a use case. | 2 / 3 |
Progressive Disclosure | This is a monolithic wall of content with everything inline. The massive code examples for NgRx (actions, reducers, selectors, effects), ComponentStore, server state patterns, and migration guides should be split into separate referenced files. The Resources section links to external docs but no internal file references for the detailed patterns. | 1 / 3 |
Total | 7 / 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 (641 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
431bfad
- Reviewed
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