analyzing-nft-rarity
Calculate NFT rarity scores and rank tokens by trait uniqueness. Use when analyzing NFT collections, checking token rarity, or comparing NFTs. Trigger with phrases like "check NFT rarity", "analyze collection", "rank tokens", "compare NFTs".
Best use case
analyzing-nft-rarity is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Calculate NFT rarity scores and rank tokens by trait uniqueness. Use when analyzing NFT collections, checking token rarity, or comparing NFTs. Trigger with phrases like "check NFT rarity", "analyze collection", "rank tokens", "compare NFTs".
Teams using analyzing-nft-rarity should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/analyzing-nft-rarity/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How analyzing-nft-rarity Compares
| Feature / Agent | analyzing-nft-rarity | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Calculate NFT rarity scores and rank tokens by trait uniqueness. Use when analyzing NFT collections, checking token rarity, or comparing NFTs. Trigger with phrases like "check NFT rarity", "analyze collection", "rank tokens", "compare NFTs".
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
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SKILL.md Source
# Analyzing NFT Rarity
## Overview
NFT rarity analysis skill that:
- Fetches collection metadata from OpenSea API
- Parses and normalizes trait attributes
- Calculates rarity using multiple algorithms
- Ranks tokens by composite rarity score
- Exports data in JSON and CSV formats
## Prerequisites
- Python 3.8+ with requests library
- Optional: `OPENSEA_API_KEY` for higher rate limits
- Optional: `ALCHEMY_API_KEY` for direct metadata fetching
## Instructions
### 1. Analyze a Collection
```bash
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py collection boredapeyachtclub
```
Options:
1. `--limit 500`: Fetch more tokens for analysis
2. `--top 50`: Show top 50 tokens
3. `--traits`: Include trait distribution
4. `--rarest`: Show rarest traits
5. `--algorithm [statistical|rarity_score|average|information]`
### 2. Check Specific Token
```bash
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py token pudgypenguins 1234 # port 1234 - example/test
```
### 3. Compare Multiple Tokens
```bash
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py compare azuki 1234,5678,9012 # 5678: 1234: 9012 = configured value
```
### 4. View Trait Distribution
```bash
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py traits doodles
```
### 5. Export Rankings
JSON:
```bash
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py export coolcats > rankings.json
```
CSV:
```bash
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py export coolcats --format csv > rankings.csv
```
### 6. Manage Cache
```bash
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py cache --list
cd ${CLAUDE_SKILL_DIR}/scripts && python3 rarity_analyzer.py cache --clear
```
## Rarity Algorithms
| Algorithm | Description | Best For |
|-----------|-------------|----------|
| `rarity_score` | Sum of 1/frequency (default) | General use, matches rarity.tools |
| `statistical` | Same as rarity_score | Backward compatibility |
| `average` | Mean of trait rarities | Balanced scoring |
| `information` | Entropy-based (-log2) | Information theory approach |
## Output
- **Collection Summary**: Name, supply, trait types
- **Rankings**: Tokens sorted by rarity score with percentile
- **Token Detail**: Full trait breakdown with contribution
- **Comparison**: Side-by-side trait comparison
## Supported Collections
Works with any ERC-721/ERC-1155 collection that has:
- OpenSea listing
- Standard attributes array format
- Accessible metadata
## Error Handling
See `${CLAUDE_SKILL_DIR}/references/errors.md` for:
- API rate limiting
- IPFS gateway issues
- Collection not found
- Token ID not found
## Examples
See `${CLAUDE_SKILL_DIR}/references/examples.md` for:
- Collection analysis workflows
- Token comparison
- Export and caching
- Algorithm comparison
## Resources
- [OpenSea API](https://docs.opensea.io/reference/api-overview) - Metadata source
- [Rarity Tools](https://rarity.tools/) - Reference rankings
- [IPFS](https://ipfs.io/) - Decentralized metadataRelated Skills
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