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A0nexus Bitcoin MCP server

by A0Nexus-bit·io.github.A0Nexus-bit/a0nexus-bitcoin-mcp·v0.1.4
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Crypto (BTC/ETH) + ERCOT electricity data & forecasts as MCP tools. Pay-per-call via x402.

B75/100grade B
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Safety scan
B75/100

full report

Adoption
New

0 stars48 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

A0nexus Bitcoin tools (17, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • get_broadcast_timing

    Best time to broadcast: given live mempool pressure and the fee forecast, whether to send a Bitcoin transaction now or wait, with the expected sat/vB savings (and total sats if you pass the tx vsize). Paid.

  • get_current_fees

    Current recommended Bitcoin fee rates (sat/vB) by confirmation target, from a full node's estimator. FREE \u2014 no wallet needed.

  • get_ercot_cheapest_window

    Cheapest upcoming window to run electricity load on the Texas (ERCOT) grid \u2014 when to charge/compute in the next 24h and how far below the daily average. Paid.

  • get_ercot_price_current

    Current Texas (ERCOT) grid electricity price in $/MWh plus a cheap/normal/expensive level. FREE \u2014 no wallet needed.

  • get_ercot_price_forecast

    Texas (ERCOT) electricity price forecast ($/MWh) for the next N hours, from hour-of-week seasonality anchored to the recent level. Paid.

  • get_eth_gas_current

    Current Ethereum gas in gwei: next-block base fee plus slow/standard/fast priority-fee tiers and congestion. FREE \u2014 no wallet needed.

  • get_eth_gas_forecast

    Forward Ethereum base-fee forecast (gwei), projected N blocks ahead via the EIP-1559 rule, with a trend label. Paid.

  • get_eth_gas_timing

    Best time to send an Ethereum transaction: send now vs. wait, plus the gwei/ETH you'd save at a given gas limit. Paid.

  • get_fee_forecast

    Forecast of Bitcoin transaction fees by confirmation target (paid).

  • get_intelligence

    Aggregated Bitcoin intelligence brief, optionally per timeframe (paid).

  • get_latest_forecast

    Latest published price forecast for a symbol + timeframe (paid).

  • get_mempool_snapshot

    Current Bitcoin mempool: transaction count, total vsize, min/relay fee, and the fee-rate histogram. FREE \u2014 no wallet needed.

  • get_network_snapshot

    Bitcoin network snapshot: chain height, best block hash, peers, sync state, and a mempool summary. FREE \u2014 no wallet needed.

  • get_pricing

    Per-endpoint pricing and payment network (free).

  • get_status

    Service status, payment mode, and component health (free).

  • get_tx_confirmation

    Confirmation status / ETA for a Bitcoin transaction (paid).

  • run_custom_forecastwrite action

    Run a bespoke Kronos forecast (paid POST).

Public scan report

scanner v0.1.9 · 2026-09-26 · same rubric, same numbers if you re-run it

no findings
  • Code scan2 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 75 days ago12/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How A0nexus Bitcoin compares

Against every graded Finance MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
75/100
higher than 50% of 1,761 Finance servers
Tools
17
the typical Finance server has 8
Tools that change things
6%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
48
more than 46% of 421 Finance servers with a package

What its tools let an agent do: 16 read · 1 run or deploy

Install A0nexus Bitcoin in Claude Code, Cursor or VS Code

Runs npx -y a0nexus-bitcoin-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add a0nexus-bitcoin-mcp -- npx -y a0nexus-bitcoin-mcp
Add to Cursor

What the publisher says

From the A0nexus Bitcoin repository's README, as published. We do not edit it. Read it on GitHub

a0nexus-bitcoin-mcp

Live crypto + energy predictive data + AI forecasts, right inside Claude (and any MCP-capable AI app).

This is a Model Context Protocol server that gives your AI assistant real-time predictive intelligence — Bitcoin network, mempool, and fees; Ethereum gas; best-time-to-transact timing on both chains; AI Bitcoin price forecasts; and Texas (ERCOT) electricity price forecasting including the cheapest upcoming window to run load — all as tools it can call mid-conversation. Data comes from the a0nexus.com Predictive Intelligence API.

Live Bitcoin fees/network/mempool, Ethereum gas, and current ERCOT power prices are free and need no wallet — install it and ask "what's the current Bitcoin fee?", "what's ETH gas right now?", or "what's Texas power costing?" right away. The differentiated tools (forecasts, fee forecast, confirmation ETA, mempool depth, intelligence brief) are pay-per-call: each request is settled with a few cents of USDC on Base via x402 (HTTP 402) — no account, no signup, no subscription. You only enable paid tools if you want them.

Install it with a single npx line (below). Node 18+ required.

Tools

Free (no wallet needed)

Paid (require a funded Base wallet — see Paid tools)

Install

Add the server to your AI app's MCP config. All three use the same one-line npx command — no clone, no build, no global install.

Claude Desktop

Edit claudedesktopconfig.json (macOS: ~/Library/Application Support/Claude/claudedesktopconfig.json, Windows: %APPDATA%\Claude\claudedesktopconfig.json):

{
  "mcpServers": {
    "a0nexus-bitcoin": {
      "command": "npx",
      "args": ["-y", "a0nexus-bitcoin-mcp"],
      "env": {
        "BTCI_API_URL": "https://a0nexus.com"
      }
    }
  }
}

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

A0nexus Bitcoin: common questions

Is A0nexus Bitcoin MCP server safe?
Mostly: it is graded B (75/100). Read the A0nexus Bitcoin safety report
How do I install A0nexus Bitcoin?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does A0nexus Bitcoin need an API key?
Yes. The registry entry asks for BTCI_MCP_PRIVATE_KEY.
Is A0nexus Bitcoin maintained?
The last commit was 114 days ago (2026-07-13). The latest release is v0.1.4.
What can I use instead of A0nexus Bitcoin?
Servers from other publishers that do the same job: Blockrun MCP server, Agent402.Tools: pay-per-call web tools MCP server and three.ws Agent Payments MCP server.
How does A0nexus Bitcoin compare with other Finance MCP servers?
safety score 75/100 (higher than 50% of 1,761 Finance servers); tools 17 (the typical Finance server has 8); tools that change things 6% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to A0nexus Bitcoin

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