tech-react
React-specific component, hook, and rendering patterns. Use when writing React components, hooks, JSX, or optimizing React performance.
74
Quality
62%
Does it follow best practices?
Impact
97%
1.18xAverage score across 3 eval scenarios
Optimize this skill with Tessl
npx tessl skill review --optimize ./skills/framework/tech-react/SKILL.mdEvaluation results
100%
44%Blog Post Editor
TanStack Query mutation call-site handling
No onSuccess callback
0%
100%
No onError callback
100%
100%
No onSettled callback
100%
100%
Uses mutateAsync
0%
100%
Awaited post-mutation actions
0%
100%
No useEffect for form submission
100%
100%
Try/catch at call site
0%
100%
Hooks at top level
100%
100%
No premature memoization
100%
100%
Without context: $0.2739 · 1m 10s · 18 turns · 25 in / 3,710 out tokens
With context: $0.2788 · 59s · 17 turns · 419 in / 3,259 out tokens
92%
-8%Live Activity Feed Panel
Effect cleanup and avoiding effect misuse
Event listener cleanup
100%
85%
Timer cleanup
100%
100%
No derived state in effect
100%
100%
No effect chain
100%
58%
No useEffect for user event response
100%
100%
AbortController for fetch
100%
100%
Hooks at top level
100%
100%
Cleanup returns function
100%
88%
No premature memoization
100%
100%
Without context: $0.1631 · 39s · 10 turns · 15 in / 2,296 out tokens
With context: $0.2577 · 58s · 16 turns · 21 in / 2,868 out tokens
100%
10%Employee Directory with Detail Panel
List rendering, key prop reset, and semantic HTML
Stable unique list keys
100%
100%
No index as key
100%
100%
Separate child component for per-item hooks
100%
100%
Key prop for state reset
100%
100%
No useEffect state reset
0%
100%
Semantic interactive elements
100%
100%
Semantic page structure
100%
100%
Hooks at top level
100%
100%
No premature memoization
100%
100%
Without context: $0.4219 · 1m 33s · 20 turns · 27 in / 6,659 out tokens
With context: $0.5920 · 2m 3s · 30 turns · 276 in / 7,111 out tokens
- Evaluated
- Agent
- Claude Code
- Model
- Claude Sonnet 4.6
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