Geometry Algorithm Library Skill

SkillDev tools

Implement computational geometry algorithms

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

Account requirements not reviewed. Check the skill instructions before use; ahel provides instructions and does not run this skill.

Add ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.

Then ask your AI: use the Geometry Algorithm Library Skill skill

What this skill tells your AI

The instructions your AI receives, as published by a5c-ai/babysitter in library/specializations/algorithms-optimization/skills/geometry-algorithm-library/SKILL.md and read by ahel’s review.

Purpose

Implement computational geometry algorithms for competitive programming and algorithmic problems.

Capabilities

Convex hull (Graham scan, Andrew's monotone chain)
Line intersection algorithms
Closest pair of points
Point in polygon tests
Voronoi diagram, Delaunay triangulation
Polygon clipping

Target Processes

computational-geometry

Algorithm Catalog

Convex Hull

Graham scan O(n log n)
Andrew's monotone chain O(n log n)
Jarvis march O(nh)

Intersection Algorithms

Line sweep for segment intersection
Bentley-Ottmann algorithm
Polygon intersection

Distance Problems

Closest pair of points O(n log n)
Farthest pair (rotating calipers)
Point-polygon distance

Triangulation

Ear clipping O(n^2)
Delaunay triangulation
Voronoi diagram

Input Schema

{
  "type": "object",
  "properties": {
    "algorithm": { "type": "string" },
    "variant": { "type": "string" },
    "language": {
      "type": "string",
      "enum": ["cpp", "python", "java"]
    },
    "includeVisualization": { "type": "boolean", "default": false }
  },
  "required": ["algorithm"]
}

Output Schema

{
  "type": "object",
  "properties": {
    "success": { "type": "boolean" },
    "code": { "type": "string" },
    "complexity": { "type": "object" },
    "usage": { "type": "string" }
  },
  "required": ["success", "code"]
}

Signals

GitHub stars: 2k
Forks: 112
Last commit: Sep 2026

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Item type: skill
Key: geometry-algorithm-library
Source: github.com/a5c-ai/babysitter

github.com/a5c-ai/babysitter