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Nansen CLI authentication, setup, and schema introspection. Required foundation for all other Nansen skills. Handles API key management, CLI installation verification, and dynamic command discovery via `nansen schema`. Install this skill first.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
| name | nansen-core |
| description | Nansen CLI authentication, setup, and schema introspection. Required foundation for all other Nansen skills. Handles API key management, CLI installation verification, and dynamic command discovery via `nansen schema`. Install this skill first. |
| metadata | {"clawdbot":{"emoji":"🔑","homepage":"https://nansen.ai","requires":{"bins":["nansen"]}}} |
which nansen && nansen --version
If missing: npm install -g nansen-cli
nansen profiler balance --address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 --chain ethereum --limit 1
JSON data → auth OK. API key error → needs setup.
Recommended: Direct user to https://app.nansen.ai/auth/agent-setup → sign in → copy message → paste back. Extract and save the key:
export NANSEN_API_KEY=nsk_...
Fallback: nansen login or manually set NANSEN_API_KEY.
⚠️ Never ask users to paste API keys in chat.
A cached schema is available at references/schema.json. To get a fresh copy:
nansen schema
This is the source of truth for all commands, options, and return fields.
--table output — truncates values. Use JSON.references/schema.json or run nansen schema.nansen token screener --chain <chain> --search <SYMBOL> --limit 10 to find the token address. Or use --sort volume:desc and filter by token_symbol in output.--table only for display.references/commands.mdreferences/schema.jsonreferences/chains.mdreferences/smart-money-labels.mdapp.nansen.ai/api?tab=usage-analytics.These tools exist only in the Nansen MCP server (not accessible via CLI or direct REST):
token_ohlcv — OHLCV candlestick data for a tokentoken_quant_scores — Quantitative scoring (momentum, volatility, etc.)nansen_score_top_tokens — Top tokens ranked by Nansen Scoregrowth_chain_rank — Chain growth/activity rankingstransaction_lookup — Look up a specific transaction by hashTo use these, connect via MCP. See docs.nansen.ai.
| Error | Fix |
|---|---|
| "API key required" | Set NANSEN_API_KEY or nansen login |
| "Invalid API key" | New key at app.nansen.ai/api |
| "Rate limited" | CLI auto-retries; wait if persistent |
| "Chain not supported" | Check references/chains.md |
| Command not found | npm install -g nansen-cli |
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