Geometry Primitive Library Skill

SkillDev tools

Provide robust computational geometry primitives

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 Primitive 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-primitive-library/SKILL.md and read by ahel’s review.

Purpose

Provide robust implementations of computational geometry primitives with proper handling of edge cases and numerical precision.

Capabilities

Point, line, segment, polygon classes
Cross product, dot product operations
CCW/CW orientation tests
Area calculations
Intersection tests
Distance calculations

Target Processes

computational-geometry

Geometric Primitives

Point Operations

Point addition, subtraction
Scalar multiplication
Dot product
Cross product
Distance calculation

Line/Segment Operations

Line-line intersection
Segment-segment intersection
Point-line distance
Point-segment distance
Parallel/perpendicular tests

Polygon Operations

Area calculation (signed and unsigned)
Point in polygon test
Polygon centroid
Convexity test

Input Schema

{
  "type": "object",
  "properties": {
    "primitive": {
      "type": "string",
      "enum": ["point", "line", "segment", "polygon", "circle"]
    },
    "operations": { "type": "array" },
    "language": {
      "type": "string",
      "enum": ["cpp", "python", "java"]
    },
    "useInteger": { "type": "boolean", "default": false },
    "epsilon": { "type": "number" }
  },
  "required": ["primitive"]
}

Output Schema

{
  "type": "object",
  "properties": {
    "success": { "type": "boolean" },
    "code": { "type": "string" },
    "operations": { "type": "array" },
    "precisionNotes": { "type": "string" }
  },
  "required": ["success", "code"]
}

Signals

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

Advanced

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

github.com/a5c-ai/babysitter