nansen-ai/nansen-skills ? reverse-engineered prompt

Build me a small repo of AI skills for Nansen that works with both OpenClaw and Claude Code.

I want one entry point that routes to the right skill, plus separate skills for auth and setup, smart money tracking, wallet profiling, token analysis, portfolio analytics, and Hyperliquid perpetuals. It should feel like a natural language helper for blockchain research, where an agent can answer questions about wallets, tokens, holdings, flows, PnL, and perps across the supported chains.

Please include clear setup steps for getting a Nansen API key, a simple verification example, and shared reference docs that the skills can use. The repo should assume all the skills wrap the Nansen CLI rather than calling the API directly, and it should be organized so someone can copy the OpenClaw files or the Claude Code files into their own project.

If you need to check the latest Nansen docs while building it, go ahead and look them up online.