ralph-router

Agent Building

Routes to appropriate Ralph skills based on agent role and task signals

QUICK START

How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

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Prompt to paste

I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/shared-ralph-router/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/ralph-router/. Do not write files or run scripts until I approve.

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Ralph Skill Router

"Right skill for the right agent at the right time."

When to Use This Skill

Use at:

Agent startup to load appropriate skills
Task assignment to determine required skills
Retrospective to identify skill gaps

Quick Route

By Agent Role

Agent	Core Skills	Checklists
PM	`task-selection`, `retrospective`, `skill-improvement`, `scale-adaptive`	`prd-validation`, `task-handoff`
Developer	`r3f-fundamentals`, `feedback-loops`, `typescript-patterns`	`pre-commit`, `code-quality`
QA	`validation-workflow`, `browser-testing`, `bug-reporting`	`validation-checks`
GameDesigner	`gdd-creation`, `thermite-integration`, `mechanic-design`, `level-design`, `character-design`, `weapon-design`, `game-loop-design`, `playtest-validation`	`gdd-review`, `design-validation`
TechArtist	`r3f-fundamentals`, `r3f-materials`, `r3f-geometry`, `shader-sdf`, `postfx-effects`, `particles-gpu`, `feedback-loops`, `typescript-patterns`	`asset-quality`, `shader-review`, `visual-consistency`

By Task Category

Category	Developer Skills	QA Focus	TechArtist Skills
`architectural`	`typescript-patterns`, `r3f-fundamentals`	Full validation suite	`typescript-patterns`, `r3f-fundamentals`
`integration`	Domain-specific (physics, materials)	Cross-browser testing	`r3f-materials`, shader integration
`functional`	`r3f-fundamentals`, `feedback-loops`	Acceptance criteria	-
`visual`	-	Visual QA	`r3f-materials`, `shader-sdf`, `postfx-effects`
`shader`	-	Shader testing	`shader-sdf`, `glsl`, `gpu-cost-optimizer`
`effects`	-	Effects testing	`particles-gpu`, `postfx-effects`
`ui-polish`	-	UI testing	`r3f-materials`, `visual-polish`
`polish`	`r3f-materials`, `r3f-performance`	Visual + performance	`r3f-materials`, `postfx-effects`

By Signal Keywords

Signal in Task	Route To
"physics", "collision", "rigid body"	`r3f-physics`
"shader", "material", "texture"	`r3f-materials`
"performance", "fps", "optimization"	`r3f-performance`
"component", "scene", "canvas"	`r3f-fundamentals`
"type", "interface", "generic"	`typescript-patterns`

Routing Protocol

Step 1: Identify Agent Role

const role =
  state.agents[agentName].terminal === 'coordinator'
    ? 'pm'
    : agentName === 'developer'
      ? 'developer'
      : 'qa';

Step 2: Load Core Skills

## Core Skills for {{ROLE}}

Load these skills for every session:

### PM Core

- agents/pm/skills/task-selection.md
- agents/pm/skills/retrospective.md
- agents/pm/skills/scale-adaptive.md
- agents/pm/checklists/prd-validation.md
- agents/pm/checklists/task-handoff.md
- agents/pm/references/state-files.md

### Developer Core

- agents/developer/skills/feedback-loops.md
- agents/developer/skills/typescript-patterns.md
- agents/developer/checklists/pre-commit.md
- agents/developer/checklists/code-quality.md

### QA Core

- agents/qa/skills/validation-workflow.md
- agents/qa/skills/browser-testing.md
- agents/qa/skills/bug-reporting.md
- agents/qa/checklists/validation-checks.md

Step 3: Load Domain Skills (Developer Only)

Based on task signals:

function getDomainSkills(task) {
  const skills = [];
  const text = `${task.title} ${task.description}`.toLowerCase();

  // R3F/Three.js signals
  if (/physics|collision|rapier|rigid/.test(text)) {
    skills.push('agents/developer/skills/r3f-physics.md');
  }
  if (/shader|material|texture|pbr/.test(text)) {
    skills.push('agents/developer/skills/r3f-materials.md');
  }
  if (/performance|fps|optimize|mobile/.test(text)) {
    skills.push('agents/developer/skills/r3f-performance.md');
  }
  if (/scene|component|canvas|drei/.test(text)) {
    skills.push('agents/developer/skills/r3f-fundamentals.md');
  }

  // Always include fundamentals for R3F tasks
  if (skills.length > 0 && !skills.includes('r3f-fundamentals.md')) {
    skills.unshift('agents/developer/skills/r3f-fundamentals.md');
  }

  return skills;
}

Common Skill Combinations

Game Feature Development

r3f-fundamentals + r3f-physics + feedback-loops + pre-commit

Visual Polish

r3f-fundamentals + r3f-materials + r3f-performance + pre-commit

Performance Optimization

r3f-performance + r3f-materials + pre-commit

New Component

r3f-fundamentals + typescript-patterns + code-quality + pre-commit

Skill Dependencies

r3f-materials ──────┐
                    ├──▶ r3f-fundamentals
r3f-physics ────────┤
                    │
r3f-performance ────┘

validation-workflow ──┬──▶ browser-testing
                      └──▶ bug-reporting

retrospective ────────────▶ skill-improvement

Reference

agents/pm/AGENT.md — PM full instructions
agents/developer/AGENT.md — Developer full instructions
agents/qa/AGENT.md — QA full instructions
agents/gamedesigner/AGENT.md — Game Designer full instructions
agents/techartist/AGENT.md — Tech Artist full instructions
.claude/skills/r3f-router.md — R3F-specific routing