OpenSea

Key facts

Card

https://opensea.io/.well-known/agent-card.json

Card version

A2A v1.0 shape

Interfaces

• streamable-http, protocol version 0.2.5, at mcp.opensea.io

Streaming

Yes

Push notifications

No

Extended card

No

Authentication

API key, OpenID Connect

Signed

No

Provider

OpenSea

Documentation

https://docs.opensea.io/reference/mcp

Tranco rank

4,482

Last seen

September 26, 2026

Skills

• Search OpenSea

  Search across NFTs, tokens, collections, and agent tools with a single query.

  Id search · Tags: search, discovery, nft, token

• NFT and item data

  Fetch NFTs, item details, ownership, rarity, live listings, and offers.

  Id nft-data · Tags: nft, items, listings, offers

• Token and market data

  Fetch fungible tokens, balances, prices, and trending or top tokens.

  Id token-data · Tags: token, prices, market

• Collection data

  Fetch collections, floor prices, stats, and trending or top collections.

  Id collection-data · Tags: collection, stats, floor-price

• Token swap quotes

  Get DEX-aggregated ERC-20 token swap quotes across supported chains.

  Id swap-quote · Tags: swap, defi, quote

• Account and portfolio

  Look up accounts, profiles, NFT and token balances, favorites, and activity.

  Id account-portfolio · Tags: account, portfolio, profile

• Marketplace actions

  Create and cancel orders, manage drops, collections, profile, wallets, and watchlists (OAuth-scoped).

  Id marketplace-actions · Tags: orders, drops, manage, oauth

Check this agent

Run the card through the validator, or send the agent a few harmless test calls. Each tool opens with opensea.io filled in.