IRONCLAW Bitcoin Blockchain MCP Server
Provides tools for querying the Bitcoin blockchain, including block information, fee estimates, mempool status, transaction lookup, address portfolio, transaction flow tracing, fee prediction, and large whale movement alerts.
Allows fetching hot posts from any subreddit, searching Reddit by keyword, and retrieving trending topics on Reddit.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@IRONCLAW Bitcoin Blockchain MCP Serverwhat's the current Bitcoin fee rate?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
🔥 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.
Related MCP server: btcfi-api
🆓 Free Tools (No Payment Required)
Tool | Description | Cost |
| Blockchain info (block height, difficulty, peers) | FREE |
| Fee rate estimates (high/medium/low sat/vB) | FREE |
| Mempool status (pending tx, size MB) | FREE |
# Try them right now — no payment, no API key
curl https://btcnode.uk/api/info
curl https://btcnode.uk/api/fees
curl https://btcnode.uk/api/mempool💰 Paid Tools ($0.001 each via x402)
Tool | Description | Cost |
| Transaction lookup by hash | $0.001 |
| Address portfolio (balance, UTXOs, history) | $0.001 |
| Transaction flow tracing (2 hops) | $0.001 |
| Fee rate prediction | $0.001 |
| Large Bitcoin movement alerts (10K+ BTC) | $0.001 |
| SEC insider trades (Form 4/3/5) | $0.001 |
| URL to clean markdown | $0.001 |
| AI text summarization | $0.001 |
| Systems theory analysis (6 lenses) | $0.001 |
| Game theory analysis | $0.001 |
| Capital flow tracing across markets | $0.001 |
| Hot posts from any subreddit | $0.001 |
| Search Reddit by keyword | $0.001 |
| Trending topics on Reddit | $0.001 |
Paid tools use x402 protocol — pay $0.001 USDC per call on Base mainnet. Your wallet approves the payment directly in the MCP client.
🏗 Architecture
MCP Client (Claude Desktop, Cursor, etc.)
│
▼ SSE (mcp.btcnode.uk/sse)
┌──────────────┐
│ MCP Server │ 17 tools, x402 payment middleware
└──────┬───────┘
│ HTTP API
┌──────┴───────┐
│ BTC API │ REST endpoints, paywall enforcement
└──────┬───────┘
│ RPC
┌──────┴───────┐
│ Bitcoin Core │ Full node (953K+ blocks, 10 peers)
│ LND │ Lightning Network (12K sats)
└──────────────┘🚀 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.mjsRequirements: Node.js 18+, a synced Bitcoin Core node (or use the hosted endpoint at btcnode.uk).
📋 Listings
Platform | Status | URL |
Glama | ✅ Live | |
mcp.so | ✅ Live | |
PayAPI Market | ✅ Live | |
MCP Registry | 🔄 Auto-published via PayAPI |
📄 License
MIT — do what you want. Built by cariohca-ux. Bitcoin data served from a real full node.
This server cannot be installed
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