Search / cc.21btc/bitcoin-data
protogridR0· no sign-inLive Bitcoin price, ETF flows, treasuries, on-chain metrics, fees, derivatives & wiki search.
v1.1.0 · active · website · descriptor JSON · versions
{
"mcpServers": {
"bitcoin-data": {
"type": "http",
"url": "https://21btc.cc/mcp"
}
}
}claude mcp add --transport http bitcoin-data https://21btc.cc/mcp[mcp_servers.bitcoin-data]
url = "https://21btc.cc/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"bitcoin-data": {
"type": "remote",
"url": "https://21btc.cc/mcp",
"enabled": true
}
}
}{
"mcpServers": {
"bitcoin-data": {
"type": "http",
"url": "https://21btc.cc/mcp"
}
},
"deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=bitcoin-data&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vMjFidGMuY2MvbWNwIn0%3D"
}{
"servers": {
"bitcoin-data": {
"type": "http",
"url": "https://21btc.cc/mcp"
}
}
}{
"mcpServers": {
"bitcoin-data": {
"httpUrl": "https://21btc.cc/mcp"
}
}
}extensions:
"bitcoin-data":
enabled: true
name: "bitcoin-data"
type: streamable_http
uri: "https://21btc.cc/mcp"
timeout: 300
protocol.modernprotocol.statelessprotocol.transportprotocol.list_ttlauth.prm, auth.as_metadata, auth.cimdauth.secret_in_urltools.descriptionstools.description_lengthtools.schemastools.annotationstools.directory_hintstools.token_costtools.api_dumptools.hidden_textstability.changesstability.rug_pullstability.new_linksdeps.known_vulns, deps.mcp_sdk_version, deps.resolvableNo tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.
Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.
+dns-namespace +website +reachable +uptime-100% +updated-17d-ago -no-repository
Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.
| remote | auth | reachable | uptime 30d | p50 | protocol | last ok |
|---|---|---|---|---|---|---|
https://21btc.cc/mcp streamable-http | none | yes | 100% | 402 ms | 2026-07-28, 2025-11-25, 2025-06-18, 2025-03-26 | 2026-11-14 |
get_changelogread-only | Recent shipped changes to 21btc.cc with dates and links. Same data as the /changelog page and its RSS feed. Read-only. |
get_derivativesread-only | 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 free all-exchange total exists. Not advice. Read-only. |
get_etf_flowsread-only | US spot Bitcoin ETFs: BTC held, fee, latest/5d/20d/cumulative flows (USD millions). Same data as GET /api/v1/etf. Read-only. |
get_eventsread-only | 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_feesread-only | Recommended Bitcoin transaction fees in sat/vB (fastest, 30 minutes, 1 hour, economy, minimum) and mempool size, from mempool.space. Read-only. |
get_holder_distributionread-only | 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_holdersread-only | Bitcoin holders: companies, funds, governments (BTC, 7-day change). Same data as GET /api/v1/holders. Read-only. |
get_network_statsread-only | 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_priceread-only | Live BTC price in USD and 7 other currencies (official FX reference rates). Same data as GET /api/v1/price. Read-only. |
get_rainbow_modelread-only | Rainbow model fit parameters and today's deviation (a model, not a forecast). Same data as GET /api/v1/rainbow. Read-only. |
get_risk_scoreread-only | 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_flowread-only | 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_volatilityread-only | Annualised realised volatility over 7/30/90/365 days and by year. Same data as GET /api/v1/volatility. Read-only. |
search_siteread-only | 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. |
Schemas: list_tools.
{
"name": "cc.21btc/bitcoin-data",
"icons": [
{
"src": "https://21btc.cc/icon.svg",
"sizes": [
"any"
],
"mimeType": "image/svg+xml"
}
],
"title": "21btc.cc Bitcoin Data",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://21btc.cc/mcp",
"type": "streamable-http"
}
],
"version": "1.1.0",
"websiteUrl": "https://21btc.cc/mcp",
"description": "Live Bitcoin price, ETF flows, treasuries, on-chain metrics, fees, derivatives & wiki search."
}