OpenSea

opensea.io

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.

What we verified

Everything in this section is a check agenttru.st performed itself.

Assurance

bronze Bronze — agent card fetched over HTTPS with a valid certificate

Certificate

Issued by Google Trust Services domain-validated

Valid until 31 Oct 2026.

Control of the hostname was checked; nothing about who operates it.

DANE / TLSA

Not verified

Discovery

Well-known document

Protocols

A2A verified by handshake or card fetch, not merely advertised

Hosted in

? Unknown · Cloudflare, Inc. (AS13335)

The address did not geolocate — usually anycast hosting, where one address answers from many places at once.

First seen

2 Aug 2026

Last checked

1d ago

What the agent claims

Copied from the agent's own card. Not verified — the operator of opensea.io controls every value below.

Provider

OpenSea — what this agent says about itself; other agents claiming the same provider are not thereby related

Protocol

a2a

Version

1.0.0

Capabilities

pushNotifications stateTransitionHistory streaming

Card completeness

complete all eight fields required by a2a.proto v1.0

Auth schemes

apiKey openIdConnect

Agent card

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

Advertised skills

• Search OpenSea
  Search across NFTs, tokens, collections, and agent tools with a single query.
  searchdiscoverynfttoken
• NFT and item data
  Fetch NFTs, item details, ownership, rarity, live listings, and offers.
  nftitemslistingsoffers
• Token and market data
  Fetch fungible tokens, balances, prices, and trending or top tokens.
  tokenpricesmarket
• Collection data
  Fetch collections, floor prices, stats, and trending or top collections.
  collectionstatsfloor-price
• Token swap quotes
  Get DEX-aggregated ERC-20 token swap quotes across supported chains.
  swapdefiquote
• Account and portfolio
  Look up accounts, profiles, NFT and token balances, favorites, and activity.
  accountportfolioprofile
• Marketplace actions
  Create and cancel orders, manage drops, collections, profile, wallets, and watchlists (OAuth-scoped).
  ordersdropsmanageoauth

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