Cryptoetf MCP Server

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not responding

Cryptoetf is listed as active in the registry but did not answer our last check. 74 installs a week from npm. It exposes 5 tools. Last commit 31 Aug 2026.

Live spot crypto ETF flows for 13 assets, CEFI sentiment index and prices.

Installs per day peak 1 090 · avg 56 · -95% w/w

a month agotoday

Uptime history 19 days of history · worst day 91%

19 days agonow

95.7%

Uptime 24h

88 of 92 checks

Tools

read from the server

453 ms

Response time

average over 24h

Installs / week

npm and PyPI

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 31 August 2026. No other catalogue keeps this.

31 Aug a tool description was rewritten get_flows_summary

Cryptoetf does not always answer

Over the last week it answered 99.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cryptoetf --transport http https://mcp.cryptoetf.today/api/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cryptoetf": {
      "url": "https://mcp.cryptoetf.today/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.cryptoetf]
url = "https://mcp.cryptoetf.today/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cryptoetf": {
      "url": "https://mcp.cryptoetf.today/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "cryptoetf": {
      "url": "https://mcp.cryptoetf.today/api/mcp"
    }
  }
}

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

asset

get_asset_flows

Get daily net ETF flow history for a single crypto asset over the last 30 days. Returns a time series of net USD millions per day (positive = inflow, negative = outflow).

cefi

get_cefi_index

Get the composite CEFI (Crypto ETF Flow Index) sentiment score across all tracked assets. Baseline = 100. Above 100 means net inflow bias (bullish), below 100 means outflow bias (bearish).

flows

get_flows_summary

Get the latest-day net ETF inflow/outflow (USD millions) for every tracked crypto asset: BTC (Bitcoin), ETH (Ethereum), SOL (Solana), XRP, HYP (Hyperliquid), DOGE (Dogecoin), LINK (Chainlink), AVAX (Avalanche), HBAR (Hedera), LTC (Litecoin), BNB, DOT (Polkadot) and SUI. Positive = inflow, negative = outflow. Use this for a quick dashboard snapshot. Flows are published one business day in arrears, so `referenceIsToday` is normally false: the figures belong to `referenceDate` — the last trading day published — and must not be described as today's. On Mondays the freshest data is Friday's. `totalUsdM` is already summed across all assets.

prices

get_prices

Get current spot prices (USD) and 24-hour percentage change for all 13 tracked crypto assets: BTC, ETH, SOL, XRP, HYP, DOGE, LINK, AVAX, HBAR, LTC, BNB, DOT, SUI. Prices are sourced from major exchanges and refreshed frequently.

weekly

get_weekly_analytics

Get 7-day aggregated ETF flow analytics for all tracked assets. Returns total net flow, average daily flow, and count of positive vs negative days per asset. Useful for a quick momentum read without pulling the full time series.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.cryptoetf.today/api/mcp	streamable-http	answering	20000 ms	9 min ago

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Cryptoetf — questions

Answers built from our own checks of this server.

What can Cryptoetf do?

It exposes 5 tools, read directly from the server on our last check. Among them: get_asset_flows, get_cefi_index, get_flows_summary, get_prices, get_weekly_analytics. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Cryptoetf working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 88 of 92 checks got a reply (95.7%), average response time 453 ms. The bar chart above shows every period we have measured.

The registry lists Cryptoetf as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect Cryptoetf?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Cryptoetf need an API key?

No. Cryptoetf completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Cryptoetf?

It answers our handshake in 453 ms on average, which is faster than 41% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use Cryptoetf?

The npm package @zerosix-studio/cryptoetf-mcp was installed 74 times in the last week. Week over week that is -95%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Cryptoetf open source?

Yes — it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.