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.
56
66%
Does it follow best practices?
Impact
—
No eval scenarios have been run
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./plugins/antigravity-awesome-skills-claude/skills/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 trigger terms are well-chosen and cover the main technologies and scenarios. The main weakness is that the capabilities could be more concrete — listing specific actions rather than broad categories would strengthen the specificity dimension.
Suggestions
Replace broad action categories with more concrete actions, e.g., 'Create signal-based stores, configure NgRx feature states, convert BehaviorSubjects to Signals, implement selectors and effects' 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 other Angular skills focused on routing/forms/etc. | 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 essentially a comprehensive Angular state management tutorial dumped into a single file. While the code examples are high-quality and executable, the document is far too verbose for a skill file—it explains patterns and concepts Claude already knows, and fails to split content across supporting files. The lack of clear workflow sequences with validation checkpoints further weakens its utility as an actionable skill.
Suggestions
Reduce the body to a concise overview (~50-80 lines) with the selection criteria table and one brief Signal example, then move detailed patterns (NgRx, ComponentStore, migration) into separate referenced files like NGRX_PATTERNS.md, SIGNAL_PATTERNS.md, MIGRATION.md.
Remove explanatory content Claude already knows (e.g., what state categories are, why computed() is memoized, basic RxJS operator usage) and focus only on project-specific conventions or non-obvious patterns.
Add a clear workflow section with validation steps, e.g.: '1. Identify state category → 2. Choose solution per selection criteria → 3. Implement pattern → 4. Verify with DevTools/tests → 5. Review for over-globalization.'
Trim the best practices tables to only non-obvious guidance; items like 'use set() or update()' and 'use computed() for derived data' are basic Angular knowledge.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is extremely verbose at ~400+ lines, covering six state categories, five full patterns with complete code examples, migration guides, best practices tables, and resource links. Much of this (e.g., basic NgRx setup, BehaviorSubject patterns, RxJS operators) is knowledge Claude already possesses. The content reads more like a tutorial/documentation page than a concise skill instruction. | 1 / 3 |
Actionability | The code examples are fully executable, complete with imports, decorators, type definitions, and component usage. Patterns like the Signal service, NgRx feature slice, ComponentStore, and optimistic update are copy-paste ready with realistic implementations. | 3 / 3 |
Workflow Clarity | The selection criteria table provides a decision framework, and the migration section shows before/after patterns. However, there are no explicit validation checkpoints, no step-by-step workflow for setting up state management in a project, and no verification steps to confirm correct implementation. The content is organized by pattern rather than by workflow. | 2 / 3 |
Progressive Disclosure | The entire content is a monolithic wall of text with no references to supporting bundle files. All patterns, examples, migration guides, and best practices are inlined in a single massive document. Content like the full NgRx feature slice pattern, ComponentStore example, and migration examples could easily be split into separate referenced files. | 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 | |
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- sickn33/antigravity-awesome-skills
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