Nansen Wallet Deep Dive
This pulls a comprehensive profile of any Ethereum wallet using Nansen's API. You get identity labels (Smart Trader, Fund, etc.), current token balances with USD values, 30-day PnL including win rate and top traded tokens, recent transactions, Hyperliquid perp positions if they exist, and frequent counterparties. It's basically the full context you need when researching an unknown address or tracking what a known wallet is up to. The counterparties view is especially useful for spotting who they're trading with most. Requires a Nansen API key and the nansen-cli npm package.
- skills.sh installs
- 389
- GitHub stars
- 148
- last updated
- Aug 21, 2026
Install
$ npx -y skills add nansen-ai/nansen-cli --skill nansen-wallet-deep-dive --agent claude-codeInstalls into .claude/skills of the current project.
Files
Authentication
Browser login requests nansen:api for API-key-equivalent account API permissions; existing OAuth/MCP nansen:read semantics and separate wallet authorization are unchanged.
Before any research command or loop, require an explicitly selected API key or saved browser session. Run nansen auth status first. Its cached/unverified metadata does not prove credential validity or unlocked storage. Cached access-token expiry alone does not mean the session is unusable: the CLI normally renews a selected session automatically during an already-authorized research task, without another consent request or a separate account check. Stop on anonymous selection, invalid authentication state, blocked or uncertain renewal/cleanup, or an actual authentication failure, including rejected or expired refresh authority. Follow the CLI error guidance; use the free nansen account check when troubleshooting calls for it. Do not unset a failed key, erase a session or switch to anonymous access to retry.
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- Repository
- github.com/nansen-ai/nansen-cli
- Categories
- CLI & Terminal, Web3 & Blockchain
- First seen
- Jun 3, 2026
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