Nansen Polymarket Deep Dive
Once you've identified an interesting Polymarket prediction market, this skill gives you the full trading picture: OHLCV candles, current orderbook depth, who's holding the largest positions, recent trades, and a PnL leaderboard showing which addresses are up or down. It's the analysis layer that sits after the screener, built for when you need to understand the money flow and participant behavior in a specific market. You'll need a market_id from the nansen-prediction-market screener skill to start. All the data is Polygon-based and works whether the market is still active or already resolved, which is helpful for post-mortem analysis on how traders positioned themselves.
- skills.sh installs
- 401
- GitHub stars
- 148
- last updated
- Aug 21, 2026
Install
$ npx -y skills add nansen-ai/nansen-cli --skill nansen-polymarket-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
- Category
- CLI & Terminal
- First seen
- Jun 3, 2026
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