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Get Started Free →Implements advanced TypeScript type systems with custom type guards, utility types, branded types, discriminated unions, and full-stack type safety with tRPC.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 20% | 0% |
| case-03 | ✗→✓ | ▲ Improved | 15% | 0% |
| case-19 | ✓→✗ | ▼ Worse | 29% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | -7% | 0% |
| case-04 | ✓→✓ | ＝ Same ✓ | -18% | 0% |
name: typescript-pro description: > Implements advanced TypeScript type systems with custom type guards, utility types, branded types, discriminated unions, and full-stack type safety with tRPC. metadata: sources:
repo: jeffallan/claude-skills path: skills/typescript-pro/SKILL.md commit: 3bf9a24b76a7c122f1fc05e83929fbc84e1c207a attribution: Jeffallan license: MIT usage: referenced
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