xsolana
Design, check, simulate and launch Solana game economies on loot, one shared program, no contract.
Runs on your computer
US Spot Bitcoin & Ethereum ETF Flows
Overview
Description from the maker (original English)
Daily net flows for US spot Bitcoin & Ethereum ETFs (IBIT, FBTC, GBTC, ETHA) with per-fund history
PopNx MCP’s three pillars
These three are never merged into one score: opinions, measurements and popularity are different things.
- User voiceiNo reviews yetReviews open together with accounts in a later step
- Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
- UsageiVery new★ –
What you can do with it
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
- Connection: Runs in the cloud
- Transport: Streamable HTTP
- Category: Crypto & blockchain
- You need to fill in: X-API-Key
Install
Pick the AI app you use, then copy the settings.
Before you install
- Basic checks: 1 of 1 passed
- Runs on the maker’s server: what you ask it goes through their server.
- You fill in yourself:
X-API-Key
Values marked secret are keys to your account. Never share them or paste them into a chat.
You need
- Runs in the cloudNothing to install; it connects over the internet
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install in …”.
This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Run this in your terminal
claude mcp add --transport http etf-flows https://yasinozen.com/etf-flows/mcp --header 'X-API-Key: your-value'Fill in the empty values before running it.
Or copy the settings yourself
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"etf-flows": {
"url": "https://yasinozen.com/etf-flows/mcp",
"headers": {
"X-API-Key": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Or copy the settings yourself
Paste into .vscode/mcp.json in your project
{
"servers": {
"etf-flows": {
"type": "http",
"url": "https://yasinozen.com/etf-flows/mcp",
"headers": {
"X-API-Key": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Your choice stays on this device in a cookie; no account needed.
Values you fill in
X-API-Keysecret HTTP headerOptional free or Pro API key from https://yasinozen.com/etf-flows/get-api-key/
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
What it can do
We have not read this server’s tool list yet; we check endpoints in rotation.
Basic checksi
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026
- ✓ Pass
Maker matches the repo
The registry name was verified against the domain yasinozen.com (the registry checks domain ownership)
- … Not checked yet
Still maintained
We have not read this repo from GitHub yet
- … Not checked yet
Has a licence
We have not read this repo from GitHub yet
- … Not checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
- … Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
- … Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint
Compared with others in Crypto & blockchaini
- More stars than 0% of the other 1615 servers in this category
- Published to the registry more recently than 46% of the other 1615 servers in this category
- Basic checks equal to or better than 100% of the other 1615 servers in this category
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
Common questions
Is US Spot Bitcoin & Ethereum ETF Flows safe?
It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
What keys or codes does it need?
You need to fill in: X-API-Key
Does it run on my computer or in the cloud?
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
Is it still maintained?
The GitHub repo last changed –, and the latest version (1.1.0) reached the registry 2 months ago.
Which apps can use it?
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
What can I use instead?
In the same category: xsolana, Smogon MCP, Mempool MCP
Alternatives
Servers in the same category from other makers, sorted by stars.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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README from the maker
Open the README
Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.
ETF Flows MCP Server — Spot Bitcoin & Ethereum ETF Flows for AI Assistants
Give Claude, ChatGPT, Cursor, VS Code or any MCP client daily net flows for every US spot Bitcoin and Ethereum ETF — IBIT, FBTC, GBTC, ARKB, ETHA, FETH, ETHE and more.
- 🌐 Live data pages: Bitcoin ETF flows today · Ethereum ETF flows today · IBIT flows
- 🔌 Remote MCP server (no install):
https://yasinozen.com/etf-flows/mcp - 📄 REST API docs: yasinozen.com/etf-flows/api
Quick start: remote server (recommended)
Claude → Settings → Connectors → *Add custom connector* → https://yasinozen.com/etf-flows/mcp
Claude Code
claude mcp add --transport http etf-flows https://yasinozen.com/etf-flows/mcpCursor / Windsurf / VS Code (mcp.json)
{"mcpServers": { "etf-flows": { "url": "https://yasinozen.com/etf-flows/mcp", "headers": { "X-API-Key": "YOUR_KEY" } } } }
The key is optional. Clients that cannot send headers can use https://yasinozen.com/etf-flows/mcp?api_key=YOUR_KEY. One-click install links for Cursor and VS Code are on the setup page.
Tools
| Tool | Description |
|---|---|
get_etf_flow_summary | Latest day, 7/30-day, month-to-date, YTD and cumulative flows, streaks and top funds (remote server) |
get_latest_etf_flows | Daily totals for the most recent trading days, optional per-fund breakdown |
get_etf_flows_by_date_range / query_etf_flows_by_date_range | Daily totals between two dates |
get_fund_flows | Daily flows and cumulative total for one ETF (e.g. IBIT) |
get_pro_access_info | Plans and how to get a key |
Example prompts: *“Summarize spot Bitcoin ETF flows this week”*, *“Did IBIT have outflows in the last 10 days?”*, *“Compare Ethereum ETF flows in August and September.”*
Run locally (stdio)
Requires uv.
{"mcpServers": { "etf-flows": { "command": "uv", "args": ["--directory", "/absolute/path/to/free-etf-flows-mcp", "run", "python", "mcp_server.py"], "env": { "ETF_FLOWS_API_KEY": "YOUR_KEY" } } } }
Plans
| Preview (no key) | Free key | Pro ($9.99/mo) | |
|---|---|---|---|
| History | 7 trading days | 90 trading days | Full, since Jan 2024 |
| Delay | 1 day | 1 day | Same day |
| Per-fund data | – | ✓ | ✓ |
| CSV export | – | – | ✓ |
| Rate limit | 10/min | 30/min | 120/min |
👉 Get a free key · Upgrade to Pro
Data
Daily figures are sourced from the public ETF flow tables of Farside Investors and normalized to US dollars (parenthesized values become negative). See the methodology. This project is independent and not affiliated with Farside Investors or any ETF issuer. Not investment advice.
Built by Yasin Özen ·