# US Spot Bitcoin & Ethereum ETF Flows

Query US spot Bitcoin and Ethereum ETF flows through an MCP client, with daily totals and fund-level history. Useful for checking recent activity or comparing date ranges.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 1
- Author: yasinozen35
- License: MIT · policy=link-only · description only; the file stays with the author
- Source: https://github.com/yasinozen35/free-etf-flows-mcp
- Updated: 2026-09-13
- HTML: https://affpapa.org/en/nevibecode/mcp/us-spot-bitcoin-ethereum-etf-flows

## What it does

The server provides daily net flows for US spot Bitcoin and Ethereum ETFs. Ask for totals across recent trading days, a date-range comparison, or daily and cumulative figures for one fund such as IBIT. The remote service also offers summary metrics and top funds.

Figures come from Farside Investors’ public ETF flow tables and are converted to US dollars; values shown in parentheses count as negative. You can connect remotely or run the server locally over stdio. Local setup requires `uv`.

History and reporting delay depend on the plan: Preview covers 7 trading days, the free key covers 90, and Pro provides records since Jan 2024. Preview and free-key data arrive with a one-day delay; Pro provides same-day figures. Fund-level breakdowns require a key, so they are unavailable on Preview.

## Requirements
- Remote server: `https://yasinozen.com/etf-flows/mcp`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http etf-flows https://yasinozen.com/etf-flows/mcp
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add us-spot-bitcoin-ethereum-etf-flows --url https://yasinozen.com/etf-flows/mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "us-spot-bitcoin-ethereum-etf-flows": {
            "url": "https://yasinozen.com/etf-flows/mcp"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "us-spot-bitcoin-ethereum-etf-flows": {
            "type": "http",
            "url": "https://yasinozen.com/etf-flows/mcp"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http us-spot-bitcoin-ethereum-etf-flows https://yasinozen.com/etf-flows/mcp
```

## When to use it
- summarize flows across spot Bitcoin ETFs for a chosen period
- check daily totals for Ethereum ETFs
- retrieve daily and cumulative flows for IBIT
- compare ETF flow totals across two dates

## Example prompts
- Summarize this week's flows across US spot Bitcoin ETFs.
- Check whether IBIT recorded outflows during the latest trading days.
- Compare Ethereum ETF flows for August with September.

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