OpenSea

{
  "protocolVersion": "0.2.5",
  "name": "OpenSea",
  "version": "1.0.0",
  "description": "Discover, buy, sell, and mint NFTs and swap tokens across dozens of blockchains. The OpenSea agent exposes real-time NFT, token, collection, wallet, and marketplace data and actions via the OpenSea MCP server.",
  "provider": {
    "organization": "OpenSea",
    "url": "https://opensea.io"
  },
  "url": "https://mcp.opensea.io/mcp",
  "preferredTransport": "streamable-http",
  "supportedInterfaces": [
    {
      "url": "https://mcp.opensea.io/mcp",
      "transport": "streamable-http"
    }
  ],
  "documentationUrl": "https://docs.opensea.io/reference/mcp",
  "capabilities": {
    "streaming": true,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "securitySchemes": {
    "apiKey": {
      "type": "apiKey",
      "in": "header",
      "name": "X-API-KEY",
      "description": "OpenSea API key from https://opensea.io/settings/developer, or mint a free 7-day key with POST https://api.opensea.io/api/v2/auth/keys / the get_instant_api_key MCP tool. Store the key in a credential store and never echo it in chat or logs."
    },
    "openIdConnect": {
      "type": "openIdConnect",
      "openIdConnectUrl": "https://auth.opensea.io/.well-known/openid-configuration",
      "description": "OAuth 2.1 Bearer token for user- and wallet-scoped actions."
    }
  },
  "security": [
    {
      "apiKey": []
    },
    {
      "openIdConnect": []
    }
  ],
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "search",
      "name": "Search OpenSea",
      "description": "Search across NFTs, tokens, collections, and agent tools with a single query.",
      "tags": [
        "search",
        "discovery",
        "nft",
        "token"
      ]
    },
    {
      "id": "nft-data",
      "name": "NFT and item data",
      "description": "Fetch NFTs, item details, ownership, rarity, live listings, and offers.",
      "tags": [
        "nft",
        "items",
        "listings",
        "offers"
      ]
    },
    {
      "id": "token-data",
      "name": "Token and market data",
      "description": "Fetch fungible tokens, balances, prices, and trending or top tokens.",
      "tags": [
        "token",
        "prices",
        "market"
      ]
    },
    {
      "id": "collection-data",
      "name": "Collection data",
      "description": "Fetch collections, floor prices, stats, and trending or top collections.",
      "tags": [
        "collection",
        "stats",
        "floor-price"
      ]
    },
    {
      "id": "swap-quote",
      "name": "Token swap quotes",
      "description": "Get DEX-aggregated ERC-20 token swap quotes across supported chains.",
      "tags": [
        "swap",
        "defi",
        "quote"
      ]
    },
    {
      "id": "account-portfolio",
      "name": "Account and portfolio",
      "description": "Look up accounts, profiles, NFT and token balances, favorites, and activity.",
      "tags": [
        "account",
        "portfolio",
        "profile"
      ]
    },
    {
      "id": "marketplace-actions",
      "name": "Marketplace actions",
      "description": "Create and cancel orders, manage drops, collections, profile, wallets, and watchlists (OAuth-scoped).",
      "tags": [
        "orders",
        "drops",
        "manage",
        "oauth"
      ]
    }
  ]
}