Data Structure Chooser
SkillProductivityRecommend basic data structures for a task. Use when a junior developer needs help choosing lists, maps, or sets.
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Data Structure Chooser skill
What this skill tells your AI
The instructions your AI receives, as published by proflead/codex-skills-library in skills/foundation/data-structure-chooser/SKILL.md and read by ahel’s review.
Purpose
Recommend basic data structures for a task.
Inputs to request
- Core operations and their frequency.
- Ordering and uniqueness requirements.
- Expected data size and memory limits.
Workflow
- Clarify operations: lookup, insert, iterate, order.
- Recommend a structure with time/space tradeoffs.
- Provide a small example usage.
Output
- Recommendation and rationale.
Quality bar
- State the complexity assumptions clearly.
- Offer an alternative when tradeoffs are close.
Signals
- GitHub stars
- 144
- Forks
- 30
- Last commit
- Jul 2026
Advanced
- Catalog kind
- skill
- Gateway key
data-structure-chooser- Source
- github.com/proflead/codex-skills-library