OpenSea Agent Skill
Official OpenSea agent skill and MCP server letting AI agents query NFT/token data and execute marketplace operations such as listing, offers, and token swaps.
Last release Sep 1, 2026 · Last commit Sep 1, 2026 · ★ 49
Overview
The OpenSea Agent Skill is an official ProjectOpenSea tool for AI coding assistants that lets agents interact with the OpenSea API to query NFT and token data, list NFTs, fetch listings/offers, and swap ERC-20 tokens via CLI, scripts, or the OpenSea MCP server (mcp.opensea.io). It works with MCP-compatible apps (Claude, Cursor, VS Code, etc.) and supports managed signers including Privy, Turnkey, Fireblocks, and Bankr. Listed here as the agent skill/MCP, not the marketplace itself.
Sato Score
81/100· HighHow open, active & verifiable — not a safety or returns grade.
- Maintenance & liveness
- 35/35
- Code transparency
- 18/20
- Interface verifiability
- 0/10
- Docs & demo
- 6/10
- Listing transparency & provenance
- 14/15
- Independent verification
- 8/10
Independently verified — listing reviewed against evidence, never self-reported.
Observed record — 57 daily checks since 2026-07-14
- Succeeded
- 57
- Failed
- 0
- Their error
- 0
- Unattributed
- 0
This is the share of our daily checks that succeeded — not an availability guarantee. A check can fail because the host was down, because our runner timed out, or because the network in between dropped it, and only the first of those is a fact about this project. Failures are split by what we can attribute; anything we cannot attribute is counted, not hidden. 49 of these checks predate 2026-09-01, when the probe counted a bot-block (HTTP 403) as a failure and recorded no reason for any failure. Rates spanning that date mix two definitions. Since then: 100%.
Last 30 days — to 2026-09-09, one point per UTC day
A gap is a day we have no attributable observation — never a zero. Thirty points is the whole shape the free layer carries; the daily rows behind it stay in the snapshot series.
Details
- Chains
- Ethereum, Base, Solana, Polygon, Arbitrum, Optimism
- Agent types
- Protocol Skill, NFT Ops, Data, Trading
- Open source
- Yes
- Pricing
- Free skill; API/marketplace fees apply
- Deploys as
- MCP server, API, Self-hostedfrom project docs · 2026-06-25
- Works with
- Seaport, OpenSea API, OpenSea MCP Server, OpenSea CLI, x402, Privy, Turnkey, Fireblocks +1from project docs · 2026-06-25
- Last checked
- 2026-09-08
Marketplace Signals
No marketplace signals recorded for this resource yet.
Verification status reflects evidence reviewed by Sato Hub. Self-reported claims are never presented as verified.
Where OpenSea Agent Skill fits
Related concepts: How Agents Interact With Smart Contracts, How Agents Use Wallets, What Are Onchain Agents?
Recent Activity
All news →Releases and posts from OpenSea Agent Skill, pulled from its GitHub and X.
opensea-skill v2.21.1
Patch Changes Clarify that Solana offer creation requires a payment-token mint or contract address. Document 11111111111111111111111111111111 as the native SOL currency address instead of suggesting the invalid SOL ticker symbol. This release updates the OpenSea agent skill and its executable offer helper; it does not publish an npm package.
opensea-skill v2.21.0
What's Changed Add executable Solana workflows for creating offers, fulfilling listings and offers, and cancelling orders. Document exact-byte partial-signature handling, sponsored fee payers, ordered action execution, Jito bundles, and partial-fill behavior. Add the new IERC20Balance selector guidance and public security policy included since the previous skill release. Full Changelog : ProjectOp
opensea-skill v2.20.0
What's changed Tags the version already on main . package.json has been at 2.20.0 since its last change while the newest tag was skill-v2.19.2 , so this release closes that gap rather than bumping anything. Full changelog : ProjectOpenSea/opensea-devtools@ skill-v2.19.2...skill-v2.20.0
opensea-skill v2.19.2
What's Changed Covers 2.19.1 and 2.19.2, neither of which was tagged at the time. opensea-marketplace : document how to fulfill an ERC20-denominated listing. Read prices through the decimals field rather than assuming 18, since stablecoins commonly use 6 and assuming 18 understates the price by a factor of 10^12. The fulfillment transaction carries value: 0 and the payment is pulled with transferF
opensea-skill v2.19.0
What's Changed Document cross-chain drop minting across the OpenSea API skill and REST reference. Add a validated shell helper for building ordered cross-chain mint transactions. Explain how to preserve and poll the returned receipt request until SUCCESS or FAILED . Full Changelog : ProjectOpenSea/opensea-devtools@ skill-v2.18.3...skill-v2.19.0
opensea-skill v2.18.3
What's Changed Keep wallet authentication in task routing and reference docs instead of the top-level skill summary. Full Changelog : ProjectOpenSea/opensea-devtools@ skill-v2.18.2...skill-v2.18.3
Listing History
Recorded changes to OpenSea Agent Skill's listing — status, verification, Sato Score, and recent releases. Full history is kept in the listing record.
- Sep 1, 2026New release published
- Aug 23, 2026New release published
- Jun 25, 2026Enriched: agent type, has pricing
- Jun 25, 2026Auto-enriched: creator name, creator profile url, supported integrations, deployment options +1 more
- Jun 16, 2026Edited: deploy spec
- Jun 11, 2026Sato Hub began tracking this listing
- Jun 11, 202612 releases trackedShowing the 2 most recent. Full release history is retained in the listing record.
Related Resources
Coinbase AgentKit
ActiveCoinbase's toolkit for giving AI agents wallets and the ability to take onchain actions.
Hyperliquid
ActiveOnchain perpetual futures and spot DEX running on its own L1 with an HyperEVM smart-contract layer.
Jupiter
ActiveSolana swap aggregator that routes trades across DEXs via a widely used API and SDKs.
Is this your project?
Prove you control the domain and you can correct this page — description, links, tags, chains. Claiming proves control, not verification: it doesn't change the Sato Score or mark anything as audited.
Claim this listing →Cite this page
Sato Hub. "OpenSea Agent Skill — Sato Hub." Sato Hub, updated 2026-09-08, accessed 2026-09-09. https://satohub.ai/resources/opensea-agent-skillThis page is refreshed daily. Citations include the date so a reader can tell which snapshot a claim came from.
Join the Sato Hub Briefing
One email a week — the agents, tools, and infrastructure that actually shipped, and why they matter.