Query NFT and token data, trade NFTs on Seaport, swap ERC20 tokens via DEX aggregator, configure wallet signing providers, and build/register/gate AI agent tools on Base. Covers the full OpenSea developer surface across CLI, MCP server, shell scripts, and SDK. Pick the right sub-skill using the routing table below, then read that sub-skill's SKILL.md for operational detail.
80
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Does it follow best practices?
Impact
98%
1.08xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
API key resolution and trait-filtered NFT queries
Env var checked first
100%
100%
Cached file checked second
60%
100%
Key saved before use
100%
100%
File mode 600
100%
100%
printf not echo for key
0%
85%
CLI as primary tool
100%
100%
Server-side trait filter
100%
100%
429 retry logic
100%
100%
500 retry logic
100%
100%
No hardcoded credentials
100%
100%
Sequential requests
100%
100%
Wallet security configuration and agent budget controls
Managed providers recommended
100%
100%
No native aggregate cap
100%
100%
Wallet float pattern
100%
100%
Prohibited actions listed
100%
100%
Turnkey non-root check
100%
100%
Wallet verify command
100%
100%
printf for Privy auth
100%
100%
No credentials in output
50%
100%
Env vars only for creds
100%
100%
Privy owner key separation
100%
62%
Refusal on policy mutation
20%
100%
NFT purchase workflow with cross-chain and retry logic
Listing check before fulfill
100%
100%
Correct fulfillment script
100%
100%
Transaction data validation
100%
100%
Cross-chain script usage
100%
100%
Multi-step order
100%
100%
500 retry backoff
100%
100%
429 wait duration
20%
100%
No transaction broadcast
100%
100%
Correct cross-chain params
100%
100%
jq for JSON parsing
100%
100%
Seaport protocol address
100%
100%
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Table of Contents
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