bots.st/21btc-cc-bitcoin-data
21btc.cc Bitcoin Data
Live Bitcoin, ETF, treasury and derivatives metrics
2454 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 14
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://21btc.cc/mcp
What it can do
| Tool | What it says it does |
|---|---|
get_changelog | Recent shipped changes to 21btc.cc with dates and links. Same data as the /changelog page and its RSS feed. Read-only. |
get_derivatives | BTC perpetual futures on Binance, Bybit, OKX and Deribit: open interest (BTC and USD), mark price, funding rate per interval and annualised, a 30-day Binance open interest history and recent OKX liquidations. Public keyless exchange APIs, cached 60 seconds. Liquidations cover one exchange only; no… |
get_etf_flows | US spot Bitcoin ETFs: BTC held, fee, latest/5d/20d/cumulative flows (USD millions). Same data as GET /api/v1/etf. Read-only. |
get_events | Upcoming Bitcoin-only conferences with dates, city, official URL, ticket offer (price only where verified on the official page) and the 21btc.cc event page where one exists. Dates in the venue's local time. Read-only. |
get_fees | Recommended Bitcoin transaction fees in sat/vB (fastest, 30 minutes, 1 hour, economy, minimum) and mempool size, from mempool.space. Read-only. |
get_holder_distribution | How many Bitcoin addresses hold at least 0.1, 1, 10, 100, 1,000 and 10,000 BTC and how coins split across holder classes. Addresses, not people. Source: BitInfoCharts and four cross-checks, with an as-of date. Read-only. |
get_holders | Bitcoin holders: companies, funds, governments (BTC, 7-day change). Same data as GET /api/v1/holders. Read-only. |
get_network_stats | Bitcoin network now: block height, hashrate (EH/s), difficulty and the next difficulty adjustment, mempool size, average block time, halving countdown. Sources: mempool.space, blockchain.info, Blockchair. Read-only. |
get_price | Live BTC price in USD and 7 other currencies (official FX reference rates). Same data as GET /api/v1/price. Read-only. |
get_rainbow_model | Rainbow model fit parameters and today's deviation (a model, not a forecast). Same data as GET /api/v1/rainbow. Read-only. |
get_risk_score | Risk On/Off composite score (0–100) with every input, formula and source. Same data as GET /api/v1/risk. Read-only. |
get_stock_to_flow | Stock-to-flow ratio and PlanB 2019 model value (a model, not a forecast). Same data as GET /api/v1/stock-to-flow. Read-only. |
get_volatility | Annualised realised volatility over 7/30/90/365 days and by year. Same data as GET /api/v1/volatility. Read-only. |
search_site | Search the site's pages, Bitcoin glossary terms, wiki articles, blog posts, videos, pools, wallets and hacks. Matches English and Russian. Returns title, kind, URL and a short summary. Use kind=glossary for definitions. Read-only. |
In its maker's words
Live Bitcoin price, ETF flows, treasuries, on-chain metrics, fees, derivatives & wiki search.
- Website
- 21btc.cc/mcp
- Publisher
- 21btc.cc
- Listed from
- the official MCP Registry as
cc.21btc/bitcoin-data - Version
- 1.1.0, updated 28 Oct 2026
- Kinds of work
- Crypto and web3, Search and research, Finance and markets
The domain it lives on
- 21btc.cc
- registered 26 Feb 2026 (8 months ago), at GoDaddy.com, LLC, its home page is a working site
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2454 ms | |
| Answered | 2284 ms | |
| Answered | 1214 ms |
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