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.
78
80%
Does it follow best practices?
Impact
91%
2.06xAverage score across 2 eval scenarios
Medium
Suggest reviewing before use
API key resolution and sequential bulk collection query script
Check env var first
100%
100%
Check cached file second
40%
100%
Fetch only when missing
30%
100%
Save key before use
0%
100%
Save with mode 600
0%
100%
No re-fetch if key exists
100%
100%
Uses opensea CLI
100%
100%
Pre-bulk key verification
0%
0%
Concurrent process guard
100%
100%
Sequential queries
100%
100%
Rate-limit backoff
0%
0%
Trait-filtered NFT query with AI-optimized output format
Uses opensea CLI
0%
100%
Server-side trait filter
0%
100%
TOON output format
0%
100%
TOON rationale comment
0%
100%
Pagination limit flag
30%
100%
API key not hardcoded
100%
100%
No credential leak in output
100%
100%
No inline response execution
100%
100%
Output written to file
100%
100%
SKILL.md
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If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.