# OpenSea MCP - Tools, Setup and Examples | FlyMy.AI

> OpenSea MCP for Claude, Cursor and Codex. Store operations, with 24 actions. Your API key. See setup, examples and pricing.

Page: https://flymy.ai/mcp/open-sea/

MCP / E-commerce

# OpenSea MCP: store operations

OpenSea is the world's first and largest NFT marketplace for NFTs and crypto collectibles. Connect it to Claude, Codex, Cursor or any MCP client through one FlyMy.AI MCP.

[Connect OpenSea](https://flymy.ai/mcp/open-sea/#connect) [What it can do](https://flymy.ai/mcp/open-sea/#actions)

Your own API key, 24 actions, E-commerce

$ YOUR NEXT RUN

Claude Code, Codex, Cursor, Any agent

## Use OpenSea MCP in your assistant

Paste this prompt into Claude Code, Codex, Cursor or any agent. It reads the guide and helps you connect.

```
Read https://flymy.ai/skill.md and https://flymy.ai/mcp/open-sea.md. Help me connect OpenSea MCP to this assistant. Then help me run this task: Use OpenSea to build criteria offer. Ask me for the required inputs first and show the result.
```

[Open FlyMy.AI](https://app.flymy.ai/new-agent) [Download brief](https://flymy.ai/mcp/open-sea.md)

## What OpenSea MCP can do

24 actions in the FlyMy.AI catalog, the most used first. Your agent finds them through search_tools and calls the one the task needs.

| Action | What it does |
|---|---|
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_BUILD_CRITERIA_OFFER) `OPEN_SEA_BUILD_CRITERIA_OFFER` | Build a portion of a criteria offer including the merkle tree needed to post an offer. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_CANCEL_ORDER) `OPEN_SEA_CANCEL_ORDER` | Offchain cancel a single order, offer or listing, by its order hash when protected by the signedzone. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_CREATE_CRITERIA_OFFER) `OPEN_SEA_CREATE_CRITERIA_OFFER` | Create a criteria offer to purchase any nft in a collection or which matches the specified trait. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_CREATE_ITEM_OFFER) `OPEN_SEA_CREATE_ITEM_OFFER` | Create an offer to purchase a single nft (erc721 or erc1155). |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_CREATE_LISTING) `OPEN_SEA_CREATE_LISTING` | List a single nft (erc721 or erc1155) for sale on the opensea marketplace. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_FULFILL_LISTING) `OPEN_SEA_FULFILL_LISTING` | Retrieve all the information, including signatures, needed to fulfill a listing directly onchain. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_FULFILL_OFFER) `OPEN_SEA_FULFILL_OFFER` | Retrieve all the information, including signatures, needed to fulfill an offer directly onchain. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_ACCOUNT) `OPEN_SEA_GET_ACCOUNT` | Get an opensea account profile including details such as bio, social media usernames, and profile image. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_ALL_LISTINGS_BY_COLLECTION) `OPEN_SEA_GET_ALL_LISTINGS_BY_COLLECTION` | Get all active, valid listings for a single collection. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_ALL_OFFERS_BY_COLLECTION) `OPEN_SEA_GET_ALL_OFFERS_BY_COLLECTION` | Get all active, valid offers for the specified collection. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_BEST_LISTINGS_BY_COLLECTION) `OPEN_SEA_GET_BEST_LISTINGS_BY_COLLECTION` | Get the cheapest priced active, valid listings on a single collection. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_BEST_LISTING_BY_NFT) `OPEN_SEA_GET_BEST_LISTING_BY_NFT` | Get the best listing for an nft. |

**Show all 24 actions**

| Action | What it does |
|---|---|
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_BEST_OFFER_BY_NFT) `OPEN_SEA_GET_BEST_OFFER_BY_NFT` | Get the best offers for an nft. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_COLLECTION) `OPEN_SEA_GET_COLLECTION` | Get a single collection including details such as fees, traits, and links. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_COLLECTIONS) `OPEN_SEA_GET_COLLECTIONS` | Get a list of opensea collections with optional filtering and pagination. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_COLLECTION_STATS) `OPEN_SEA_GET_COLLECTION_STATS` | Get stats for a single collection on opensea. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_CONTRACT) `OPEN_SEA_GET_CONTRACT` | Get a smart contract for a given chain and address. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_EVENTS) `OPEN_SEA_GET_EVENTS` | Get a list of events from opensea based on various filters like timestamps and event types. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_LISTINGS) `OPEN_SEA_GET_LISTINGS` | Get the complete set of active, valid listings. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_NFT) `OPEN_SEA_GET_NFT` | Get metadata, traits, ownership information, and rarity for a single nft. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_ORDER) `OPEN_SEA_GET_ORDER` | Get a single order, offer or listing, by its order hash. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_PAYMENT_TOKEN) `OPEN_SEA_GET_PAYMENT_TOKEN` | Get a smart contract for a given chain and address. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_GET_TRAITS) `OPEN_SEA_GET_TRAITS` | Get the traits in a collection. |
| [#](https://flymy.ai/mcp/open-sea/#method-OPEN_SEA_REFRESH_NFT_METADATA) `OPEN_SEA_REFRESH_NFT_METADATA` | Refresh metadata for a single nft. |

## Ask your agent

Requests to paste as they are. Each one runs on the actions named under it.

**“Use OpenSea to build criteria offer. Ask me for the required inputs first and show the result.”** uses `OPEN_SEA_BUILD_CRITERIA_OFFER`

**“Use OpenSea to cancel order. Ask me for the required inputs first and show the result.”** uses `OPEN_SEA_CANCEL_ORDER`

**“Use OpenSea to create criteria offer. Ask me for the required inputs first and show the result.”** uses `OPEN_SEA_CREATE_CRITERIA_OFFER`

## Connect OpenSea in a minute

One MCP for every integration. Add it once, then every MCP in the catalog is a request away.

1. 01 ### Add FlyMy.AI Add the FlyMy.AI MCP to your assistant with one of the commands below and sign in. No key to copy.
2. 02 ### Add your API Key Paste it into the OpenSea [connection settings](https://app.flymy.ai/mcp-configs#open_sea) once; it stays with FlyMy.AI, never in a prompt or a chat.
  - **API Key** - Your OpenSea API key. You can obtain this from your OpenSea developer settings. [Get API key →](https://opensea.io/settings/developer)
3. 03 ### Ask Paste a request from this page. Every run shows what it cost.

Claude Code

```
claude mcp add --transport http flymyai https://mcp-agents.flymy.ai/mcp
```

Then run /mcp in Claude Code and sign in.

Codex

```
codex mcp add flymy --url https://mcp-agents.flymy.ai/mcp
```

Then run codex mcp login flymy to sign in.

claude.ai and Claude Desktop

```
https://mcp-agents.flymy.ai/mcp
```

Settings, Connectors, Add custom connector: paste this URL.

## Pay per run

FlyMy.AI bills the run: the model and the tool's seconds. Calls go to your own OpenSea account, under its plan and limits. No seats and no minimum.

[See usage pricing →](https://flymy.ai/pricing/)

## More E-commerce MCPs

Stores, products, orders and shipping.

### ASIN Data API

ASIN Data API provides detailed product data from Amazon, including price, rank, reviews, and more, enabling real-time insights for e-commerce...

2 actions / your API key

Link: https://flymy.ai/mcp/asin-data-api/

### Baselinker

BaseLinker is a comprehensive e-commerce management platform that integrates with various marketplaces, online stores, carriers, and accounting systems to...

12 actions / your API key

Link: https://flymy.ai/mcp/baselinker/

### Bestbuy

Best Buy offers a suite of APIs providing access to product, store, category, and recommendation data

8 actions / your API key

Link: https://flymy.ai/mcp/bestbuy/

### Cloudcart

CloudCart is an e-commerce platform that enables businesses to create and manage online stores efficiently

34 actions / your API key

Link: https://flymy.ai/mcp/cloudcart/

### Countdown API

Countdown API provides real-time eBay product data, including product details, customer reviews, seller feedback, and search results, enabling businesses...

23 actions / your API key

Link: https://flymy.ai/mcp/countdown-api/

### Cults

Cults is a digital marketplace for 3D printing models, offering a platform for designers to share and sell their creations

3 actions / your API key

Link: https://flymy.ai/mcp/cults/

## Go to the source

[OpenSea in the docs →](https://docs.flymy.ai/mcp/apps/open_sea), [OpenSea connection settings →](https://app.flymy.ai/mcp-configs#open_sea), [OpenSea website →](https://opensea.io), [Every MCP in the catalog →](https://flymy.ai/mcp/#catalog), [Usage pricing →](https://flymy.ai/pricing/)

From the FlyMy.AI platform catalog of 2026-11-03: name, description, actions and setup as the platform lists them. Examples are requests to paste, not recorded runs.

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For agents: the FlyMyAI operating guide (sign up, connect, run models, tools and agents) is https://flymy.ai/skill.md, and https://flymy.ai/llms.txt lists the other pages and the documentation.