Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or ...
90
Quality
86%
Does it follow best practices?
Impact
100%
1.02xAverage score across 3 eval scenarios
Passed
No known issues
Quality
Discovery
100%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 strong skill description that clearly identifies a specific migration scenario (AngularJS to Angular), lists concrete techniques, and includes explicit trigger guidance. The description uses proper third-person voice and covers the key terms developers would use when seeking help with this specific framework upgrade path.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'hybrid mode', 'incremental component rewriting', and 'dependency injection updates' - these are concrete migration techniques, not vague language. | 3 / 3 |
Completeness | Clearly answers both what (migrate using hybrid mode, component rewriting, DI updates) AND when (upgrading AngularJS applications, planning framework migrations) with explicit 'Use when' clause. | 3 / 3 |
Trigger Term Quality | Includes natural keywords users would say: 'AngularJS', 'Angular', 'upgrading', 'framework migrations' - these are terms developers naturally use when discussing this migration scenario. | 3 / 3 |
Distinctiveness Conflict Risk | Very specific niche targeting AngularJS-to-Angular migration specifically; unlikely to conflict with general JavaScript, React, or other framework skills due to explicit framework naming. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
72%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 migration skill with excellent actionable code examples covering all major migration scenarios (components, services, DI, routing, forms). The main weaknesses are some verbosity in meta-sections and insufficient validation checkpoints in the workflow for what is inherently a risky, multi-phase operation. The progressive disclosure and code quality are strong.
Suggestions
Add explicit validation checkpoints in the Instructions workflow, e.g., 'Verify hybrid app boots correctly before migrating any components' and 'Run tests after each component migration before proceeding'
Remove or condense the 'Use this skill when' and 'Do not use this skill when' sections - Claude can infer appropriate usage from the content itself
Consider moving the detailed Migration Timeline to a referenced file since the week estimates are speculative and the phases are already covered in the Instructions
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is reasonably efficient but includes some unnecessary content like the 'Use this skill when' and 'Do not use this skill when' sections that Claude can infer, and the migration timeline with specific week estimates adds bulk without actionable value. | 2 / 3 |
Actionability | Excellent executable code examples throughout - hybrid app setup, component migration before/after, service migration, DI changes, routing, and forms all have complete, copy-paste ready TypeScript/JavaScript code. | 3 / 3 |
Workflow Clarity | The Instructions section provides a 4-step high-level workflow, but lacks explicit validation checkpoints between steps. For a migration involving destructive changes, there should be clearer 'validate before proceeding' gates rather than just 'Validate with tests' at the end. | 2 / 3 |
Progressive Disclosure | Well-structured with clear sections progressing from setup to specific migration patterns. References section appropriately points to external files (hybrid-mode.md, component-migration.md, etc.) for deeper content without nesting. | 3 / 3 |
Total | 10 / 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 | |
5c5ae21
Table of Contents
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.