MCP server

Nansen Official

io.github.nansen-ai/nansen-mcp

Checked 26 Oct 2026, 08:29 UTC · It answered and asked for a sign-in

Blockchain analytics API for AI agents. Smart Money signals, wallet profiling, token analytics.

Needs an API keyOfficial: nansen.ai's GitHub account (nansen-ai)

https://mcp.nansen.ai/ra/mcp/

At a glance

Type: MCP server
Publisher: nansen.ai (verified by the MCP Registry)
Status: Needs an API key
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http nansen-mcp https://mcp.nansen.ai/ra/mcp/

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.nansen-mcp]
url = "https://mcp.nansen.ai/ra/mcp/"

Gemini CLI

{"mcpServers":{"nansen-mcp":{"httpUrl":"https://mcp.nansen.ai/ra/mcp/"}}}

Cursor

{"mcpServers":{"nansen-mcp":{"url":"https://mcp.nansen.ai/ra/mcp/"}}}

VS Code

{"servers":{"nansen-mcp":{"type":"http","url":"https://mcp.nansen.ai/ra/mcp/"}}}

Antigravity

agy mcp add nansen-mcp https://mcp.nansen.ai/ra/mcp/

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"nansen-mcp","server_url":"https://mcp.nansen.ai/ra/mcp/","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"nansen-mcp","server_url":"https://mcp.nansen.ai/ra/mcp/"}

Needs an API key or token from its maker, usually added as a header in the setup.

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