Biii MCP Server: Install & Setup

Install Biii in Claude Code

Claude Code

claude mcp add --transport http biii https://biii-production.up.railway.app/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "biii": {
      "url": "https://biii-production.up.railway.app/mcp"
    }
  }
}

Claude Code

claude mcp add biii -- npx -y biii-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "biii": {
      "command": "npx",
      "args": [
        "-y",
        "biii-mcp"
      ]
    }
  }
}

Fail-closed safe-to-pay verdicts on Base: known-bad wallets, look-alike tokens, repeat rug funders.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local + Remote. Can run locally or be used as a hosted remote server.

Run: claude mcp add --transport http biii https://biii-production.up.railway.app/mcp

Thourum/billy-mcp

Billy (billy.dk) accounting: invoices, journal entries, trial balance, with write protection.

arispay-inc/arispay-x402

BuyForMe: pay any x402 URL (USD or EUR) with ArisPay delegated custody. Alias of payagent-mcp.

yuens1002/bookie

Double-entry bookkeeping MCP server — import bank CSVs, categorize, reconcile, tax reports.

PugarHuda/amanat

Storm risk, route risk and reanalysis backtests for any point on earth. No key, no wallet.

vncent786/bounty-api

Singapore property & financial data APIs for AI agents. 27 MCP tools. x402 micropayments.

Gareth1953/agent-services-mcp

MCP server: x402-paid & free tools for AI agents — provenance, quality scoring, action audit.