angular-migration
Master AngularJS to Angular migration, including hybrid apps, component conversion, dependency injection changes, and routing migration.
66
58%
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/angular-migration/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 effectively identifies a clear niche (AngularJS to Angular migration) and lists specific concrete migration tasks. Its main weaknesses are the lack of an explicit 'Use when...' clause and missing some natural user trigger terms like 'upgrade' or 'ng-upgrade'. Adding explicit trigger guidance would elevate this from a good to excellent description.
Suggestions
Add a 'Use when...' clause, e.g., 'Use when the user asks about upgrading or migrating an AngularJS (1.x) application to modern Angular (2+).'
Include additional natural trigger terms users might say: 'upgrade', 'ng-upgrade', 'AngularJS 1.x', 'Angular 2+', 'modernize AngularJS app'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: hybrid apps, component conversion, dependency injection changes, and routing migration. These are distinct, identifiable migration tasks. | 3 / 3 |
Completeness | Clearly answers 'what' (migration tasks including hybrid apps, component conversion, DI changes, routing migration) but lacks an explicit 'Use when...' clause specifying when Claude should select this skill. | 2 / 3 |
Trigger Term Quality | Includes relevant terms like 'AngularJS', 'Angular', 'migration', 'hybrid apps', 'component conversion', but misses common user phrases like 'upgrade', 'ng-upgrade', 'AngularJS to Angular 2+', or file extensions. Users might say 'upgrade my AngularJS app' rather than 'migrate'. | 2 / 3 |
Distinctiveness Conflict Risk | Highly distinctive niche: AngularJS-to-Angular migration is a very specific domain unlikely to conflict with other skills. The combination of 'AngularJS', 'Angular', and 'migration' creates a clear, unique trigger profile. | 3 / 3 |
Total | 10 / 12 Passed |
Implementation
50%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
The skill provides excellent, concrete code examples covering all major aspects of AngularJS-to-Angular migration, but it is far too verbose for a skill file—most of the content is tutorial material Claude already knows or could generate. The workflow lacks validation checkpoints critical for a complex migration, and the bulk of the code examples should be moved to referenced files rather than inlined.
Suggestions
Move the detailed before/after code examples into the referenced files (e.g., references/component-migration.md) and keep only a single concise example in the main skill file.
Remove generic advice sections (Best Practices, Common Pitfalls, Migration Timeline) that Claude already knows, or condense them to project-specific non-obvious gotchas.
Add explicit validation checkpoints to the workflow: e.g., 'After hybrid bootstrap, verify both frameworks render by checking console for errors' and 'After each component migration, run tests before proceeding.'
Remove the 'Use this skill when' / 'Do not use this skill when' sections which consume tokens on obvious guidance.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is extremely verbose at ~300+ lines, with extensive before/after code examples that Claude could generate on its own. Sections like 'Use this skill when' / 'Do not use this skill when' add little value. The migration timeline, best practices, and common pitfalls sections are generic advice Claude already knows. Much of this is tutorial-level content that doesn't need to be in a skill file. | 1 / 3 |
Actionability | The code examples are concrete, executable, and cover the full spectrum of migration tasks: hybrid bootstrap, component conversion, service migration, DI bridging, routing, and forms. Each example shows complete before/after code that is copy-paste ready. | 3 / 3 |
Workflow Clarity | The Instructions section provides a 4-step high-level workflow, and the Migration Timeline gives phases, but there are no explicit validation checkpoints or feedback loops. For a migration involving destructive changes and complex interop, the lack of 'validate -> fix -> retry' steps is a significant gap. | 2 / 3 |
Progressive Disclosure | The Resources section references external files (references/, assets/, scripts/) which is good progressive disclosure, but the main file itself contains massive inline code blocks that should be in those referenced files instead. The skill would benefit from being a concise overview that points to the detailed examples. | 2 / 3 |
Total | 8 / 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
- sickn33/antigravity-awesome-skills
- Commit
dacd52e
- Reviewed
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