IRONCLAW Bitcoin Blockchain MCP Server
Provides real Bitcoin full node data via 17 tools, with pay-per-call in USDC on Base mainnet. Free tools include blockchain info, fees, and mempool; paid tools enable transaction tracking, address analysis, and more.
README
<div align="center"> <h1>๐ฅฉ IRONCLAW BTC Node</h1> <p><strong>Bitcoin Blockchain Data โ 17 MCP Tools for AI Agents</strong></p> <p>Real full node data via x402 micropayments in USDC on Base mainnet.</p> <p><strong>3 free tools ยท 14 paid at $0.001 each ยท No API keys ยท No subscriptions</strong></p>
<p> <a href="LICENSE"><img src="https://img.shields.io/badge/License-MIT-green.svg" alt="MIT License"></a> <a href="https://btcnode.uk"><img src="https://img.shields.io/badge/Status-Live-brightgreen" alt="Live"></a> <a href="https://glama.ai/mcp/servers/cariohca-ux/x402-btc-node"><img src="https://img.shields.io/badge/Glama-Listed-blue" alt="Glama"></a> <a href="https://mcp.so/server/ironclaw-btc-node"><img src="https://img.shields.io/badge/mcp.so-Listed-blue" alt="mcp.so"></a> <img src="https://img.shields.io/badge/Bitcoin-F7931A?logo=bitcoin&logoColor=white" alt="Bitcoin"> <img src="https://img.shields.io/badge/MCP-Server-blue" alt="MCP Server"> <img src="https://img.shields.io/badge/x402-Enabled-8A2BE2" alt="x402"> <img src="https://glama.ai/mcp/servers/cariohca-ux/x402-btc-node/badges/card.svg" alt="Glama Card" style="max-width:250px"> <img src="https://img.shields.io/badge/USDC-Base-0052FF" alt="USDC Base"> </p> </div>
๐ฅ Quick Start
Add to your claude_desktop_config.json or any MCP client:
{
"mcpServers": {
"btc-node": {
"type": "sse",
"url": "https://mcp.btcnode.uk/sse"
}
}
}
That's it. No install. No API keys. No setup. Free tools work immediately.
๐ Free Tools (No Payment Required)
| Tool | Description | Cost |
|---|---|---|
btc_info |
Blockchain info (block height, difficulty, peers) | FREE |
btc_fees |
Fee rate estimates (high/medium/low sat/vB) | FREE |
btc_mempool |
Mempool status (pending tx, size MB) | FREE |
# Try them right now โ no payment, no API key
curl https://btcnode.uk/api/info
curl https://btcnode.uk/api/fees
curl https://btcnode.uk/api/mempool
๐ฐ Paid Tools ($0.001 each via x402)
| Tool | Description | Cost |
|---|---|---|
btc_tx |
Transaction lookup by hash | $0.001 |
btc_addr |
Address portfolio (balance, UTXOs, history) | $0.001 |
btc_trace |
Transaction flow tracing (2 hops) | $0.001 |
btc_fees_predict |
Fee rate prediction | $0.001 |
btc_whales |
Large Bitcoin movement alerts (10K+ BTC) | $0.001 |
sec_insider |
SEC insider trades (Form 4/3/5) | $0.001 |
web_scrape |
URL to clean markdown | $0.001 |
ai_summarize |
AI text summarization | $0.001 |
systems_theory |
Systems theory analysis (6 lenses) | $0.001 |
game_theory |
Game theory analysis | $0.001 |
capital_flows |
Capital flow tracing across markets | $0.001 |
reddit_hot |
Hot posts from any subreddit | $0.001 |
reddit_search |
Search Reddit by keyword | $0.001 |
reddit_trending |
Trending topics on Reddit | $0.001 |
Paid tools use x402 protocol โ pay $0.001 USDC per call on Base mainnet. Your wallet approves the payment directly in the MCP client.
๐ Architecture
MCP Client (Claude Desktop, Cursor, etc.)
โ
โผ SSE (mcp.btcnode.uk/sse)
โโโโโโโโโโโโโโโโ
โ MCP Server โ 17 tools, x402 payment middleware
โโโโโโโโฌโโโโโโโโ
โ HTTP API
โโโโโโโโดโโโโโโโโ
โ BTC API โ REST endpoints, paywall enforcement
โโโโโโโโฌโโโโโโโโ
โ RPC
โโโโโโโโดโโโโโโโโ
โ Bitcoin Core โ Full node (953K+ blocks, 10 peers)
โ LND โ Lightning Network (12K sats)
โโโโโโโโโโโโโโโโ
๐ Self-Hosted Deployment
git clone https://github.com/cariohca-ux/x402-btc-node.git
cd x402-btc-node
npm install
cp .env.example .env
# Edit .env with your settings
node mcp-server.mjs
Requirements: Node.js 18+, a synced Bitcoin Core node (or use the hosted endpoint at btcnode.uk).
๐ Listings
| Platform | Status | URL |
|---|---|---|
| Glama | โ Live | glama.ai/mcp/servers/cariohca-ux/x402-btc-node |
| mcp.so | โ Live | mcp.so/server/ironclaw-btc-node |
| PayAPI Market | โ Live | payapi.market |
| MCP Registry | ๐ Auto-published via PayAPI | registry.modelcontextprotocol.io |
๐ License
MIT โ do what you want. Built by cariohca-ux. Bitcoin data served from a real full node.
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