Design Patterns MCP Server

{ "id": "eip2981-royalties", "name": "EIP-2981 Standard Royalties", "category": "NFT Royalty", "description": "Standard interface for NFT royalty information. Marketplaces can query royalty receiver and amount.", "when_to_use": "All NFTs wanting creator royalties with marketplace support", "benefits": "Standard interface, transparent, marketplace compatible", "drawbacks": "Not enforceable (voluntary compliance), marketplaces can ignore", "use_cases": "NFT collections with creator royalties, artist platforms", "complexity": "Low", "tags": [ "nft", "royalty", "eip-2981", "standard", "creator" ], "examples": { "solidity": { "language": "solidity", "code": "import \"@openzeppelin/contracts/token/common/ERC2981.sol\";\n\ncontract RoyaltyNFT is ERC721, ERC2981 {\n constructor() {\n _setDefaultRoyalty(creator, 500); // 5% royalty\n }\n \n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n public view override returns (address, uint256)\n {\n return super.royaltyInfo(tokenId, salePrice);\n }\n}" } } }