NFT Trait Rarity Calculator

Plan trait rarities for an NFT collection.

**Collection Size:** ${{SIZE}}
**Number of Trait Categories:** ${{CATEGORIES}}
**Trait Categories:** ${{TRAIT_LIST}}
**Rarity Tiers:** ${{TIERS}}

Generate rarity framework:

**Rarity Tier System:**
| Tier | Percentage | Count in Collection |
|------|------------|---------------------|
- Common (40-50%)
- Uncommon (25-30%)
- Rare (15-20%)
- Epic (5-8%)
- Legendary (1-3%)
- Mythic (0.1-0.5%)

**Per Category Breakdown:**
For each trait category:
- Trait options
- Rarity assignment
- Visual compatibility
- Count per trait

**Combination Rarity:**
- How trait combinations affect overall rarity
- Special combinations
- 1/1 special editions

**Rarity Score Calculation:**
Formula: 1 / (trait_percentage) for each trait, summed

Example calculation:
- Trait A: 10% = 10 points
- Trait B: 5% = 20 points
- Total score: 30 points

**Distribution Visualization:**
- Bell curve analysis
- Floor vs rare distribution
- Price tier predictions

**Special Considerations:**
- Guaranteed rare distribution
- Reveal mechanics
- Rarity sniping prevention

**Metadata Structure:**
```json
{
  "name": "NFT #X",
  "attributes": [
    {"trait_type": "Category", "value": "Trait"}
  ]
}
```

**Validation Checklist:**
- [ ] All combinations possible
- [ ] No unintended rare combos
- [ ] Distribution matches plan
- [ ] Metadata formatted correctly

**Tools & Resources:**
- Generation tools
- Rarity checkers
- Metadata validators