This workflow contains community nodes that are only compatible with the self-hosted version of n8n.
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. How it works This workflow listens for an incoming chat message and routes it to an AI Agent. The agent is powered by your preferred Chat Model (such as OpenAI or Anthropic) and extended with the Nansen MCP tool, which enables it to retrieve onchain wallet data, token movements, and address-level insights in real time. The Nansen MCP tool uses HTTP Streamable transport and requires API Key authentication via Header Auth. Read the Documentation: https://docs.nansen.ai/nansen-mcp/overview Set up steps Get your Nansen MCP API key Visit: https://app.nansen.ai/account?tab=api Generate and copy your personal API key. Create a credential for authentication From the homepage, click the dropdown next to "Create Workflow" → "Create Credential". Select Header Auth as the method. Set the Header Name to: NANSEN-API-KEY Paste your API key into the Value field. Save the credential (e.g., Nansen MCP Credentials). Configure the Nansen MCP tool Endpoint: https://mcp.nansen.ai/ra/mcp/ Server Transport: HTTP Streamable Authentication: Header Auth Credential: Select Nansen MCP Credentials Tools to Include: Leave as All (or restrict as needed) Configure the AI Agent Connect your preferred Chat Model (e.g., OpenAI, Anthropic) to the Chat Model input. Connect the Nansen MCP tool to the Tool input. (Optional) Add a Memory block to preserve conversational context. Set up the chat trigger Use the "When chat message received" node to start the flow when a message is received. Test your setup Try sending prompts like: What tokens are being swapped by 0xabc...123? Get recent wallet activity for this address. Show top holders of token XYZ. An n8n automation workflow template by Nansen.
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