@bitcoinbenji/mcp
This server provides 26 paid tools for Bitcoin mempool intelligence and sovereign on-premise AI inference, with automatic payment via Lightning (L402) or USDC on Base (x402).
Bitcoin Mempool Intelligence (from a real Bitcoin Core full node):
get_fees— Fee estimates (next-block, 30-min, 1-hour) with trend analysis (10 sats)get_whales— Whale alerts for large transfers, consolidations, and distributions in the mempool (40 sats)get_mempool_state— Live mempool state: tx count, byte size, and fee histogram (5 sats)get_mempool_history— Rolling 24h snapshots of mempool size and fees (50 sats)predict_fees— EMA-based fee predictions with confidence scores and direction (rising/falling) (50 sats)get_recent_blocks— Recent block data: heights, tx counts, and timestamps (10 sats)tx_status— Look up any Bitcoin transaction by txid for confirmations, fee, block height, and mempool ETA (15 sats)fee_quote— Exact fee quote for a planned transaction given inputs, outputs, and target blocks (15 sats)
Sovereign AI Inference (Qwen3 on dedicated GPU, no third-party APIs, no data leakage):
ai_summarize— Summarize text at short/medium/long lengths (20 sats)ai_sentiment— Sentiment analysis with a confidence score (10 sats)ai_translate— Translate between 100+ languages (20 sats)ai_grammar— Fix grammar, spelling, and punctuation (15 sats)ai_code_review— Review code for bugs, security, and performance issues (50 sats)ai_code_generate— Generate code from natural-language specifications (40 sats)ai_extract— Extract structured data (entities, contacts, dates, or custom schema) from text (25 sats)ai_classify— Classify text into user-provided categories (10 sats)ai_rewrite— Rewrite text in a different style or tone (15 sats)ai_explain— Explain any topic at ELI5, beginner, intermediate, or expert level (25 sats)ai_agent— General-purpose AI agent for any text task (30 sats)ai_scrape— Scrape and extract clean readable text from any URL (15 sats)ai_embed— Generate 768-dim embedding vectors for RAG (single or batch) (2 sats)ai_vision— Visual question answering over an image URL (40 sats)ai_ocr— Extract all visible text from an image URL (25 sats)ai_transcribe_table— Convert a table image into structured JSON rows (35 sats)ai_longform— Summarize huge documents (~50K words) in a single flat-fee call (75 sats)ai_research— Multi-step web research with cited synthesis (100 sats)
Payment options: Lightning Network sats (L402), USDC on Base (x402), or a pre-funded API key (BITCOIN_BENJI_API_KEY). Pricing ranges from 2–100 sats (or USD equivalent) per call.
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., "@@bitcoinbenji/mcpwhat are current Bitcoin fees?"
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.
@bitcoinbenji/mcp
MCP server for Bitcoin Benji API — 26 paid tools for Bitcoin mempool intelligence + sovereign on-prem AI inference.
No third-party APIs. No data leakage. Dual payment rails: Lightning sats (L402) or USDC on Base (x402) — with automatic payment.
⚡ New in v0.2: x402 autopay
Set X402_PRIVATE_KEY to an EVM private key holding USDC on Base and every tool
call pays for itself automatically — no Lightning wallet, no API key, no manual
steps. The server signs an EIP-3009 USDC authorization for each 402 challenge
and retries; gas is sponsored by the facilitator, funds go directly seller-side.
{
"mcpServers": {
"bitcoinbenji": {
"command": "bitcoinbenji-mcp",
"env": { "X402_PRIVATE_KEY": "0x<key holding USDC on Base>" }
}
}
}Related MCP server: mcp-l402-gate-example
What you get
Mempool intelligence (from a real Bitcoin Core full node):
get_fees— fee estimates with trendget_whales— whale/consolidation alertsget_mempool_state— live mempool stateget_mempool_history— 24h rolling snapshotspredict_fees— EMA-based predictionget_recent_blocks— recent blockstx_status— lookup any txidfee_quote— exact fee for a planned tx
AI inference (Qwen3 on dedicated GPU, no third-party APIs):
ai_summarize,ai_sentiment,ai_translate,ai_grammarai_code_review,ai_code_generate,ai_extract,ai_classifyai_rewrite,ai_explain,ai_agent,ai_scrapeai_embed,ai_vision,ai_ocr,ai_transcribe_tableai_longform(~50K-word docs flat-fee),ai_research(multi-step + cited)
Pricing: 2–100 sats per call (or the USD-equivalent in USDC: 10 sats = $0.01). See api.bitcoinbenji.com/pricing.
Install
npm install -g @bitcoinbenji/mcpUse in Claude Desktop
Edit ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):
{
"mcpServers": {
"bitcoinbenji": {
"command": "bitcoinbenji-mcp"
}
}
}Restart Claude. Ask: "What are current Bitcoin fees?" — Claude will call get_fees, hit a 402 challenge, return a Lightning invoice. Pay it with any wallet, paste the preimage back, and Claude completes the call.
Use in Cursor / Cline / Continue / Windsurf
Same idea — point your MCP-compatible client at the bitcoinbenji-mcp binary.
Skip the manual payment loop — use an API key
Pre-fund a key once, then every call auto-debits in the background:
# Get a key (one-time): visit https://api.bitcoinbenji.com or curl /api/key/create
# Then:
export BITCOIN_BENJI_API_KEY="bb_live_..."
bitcoinbenji-mcpOr in Claude Desktop config:
{
"mcpServers": {
"bitcoinbenji": {
"command": "bitcoinbenji-mcp",
"env": { "BITCOIN_BENJI_API_KEY": "bb_live_..." }
}
}
}Why this exists
Most AI inference APIs require a credit card, an account, and a SaaS subscription. This one runs on a sovereign solar-powered AMD Strix Halo box, accepts payment in sats over Lightning, and never leaks your prompts to OpenAI/Anthropic/Google.
Source
github.com/ocbenji/bitcoinbenji-mcp
License
MIT
Maintenance
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