Z Zero MCP Server: Install & Setup

Install Z Zero in Claude Code

Claude Code

claude mcp add z-zero -e Z_ZERO_API_KEY=... -- npx -y z-zero-mcp-server

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

{
  "mcpServers": {
    "z-zero": {
      "command": "npx",
      "args": [
        "-y",
        "z-zero-mcp-server"
      ],
      "env": {
        "Z_ZERO_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Z Zero MCP server do?

Payments for AI agents: gasless USDC on Base + JIT single-use virtual cards, PAN never in context.

Is the Z Zero MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does Z Zero run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Z Zero to Claude Code?

Run: claude mcp add z-zero -e Z_ZERO_API_KEY=... -- npx -y z-zero-mcp-server

More finance, fintech & payments MCP servers

View all

Bexio

promptpartner/bexio-mcp-server

Swiss accounting integration for Bexio. 315 tools: invoices, contacts, projects, account balances

LocalFree

Signet MCP Tools

Prismer-AI/signet

MCP server exposing Signet cryptographic signing, verification, and content hash tools over stdio.

LocalFree

Crypto Tools

1.2k

mrfentmen/crypto-tools-mcp

Hash, sign, and encrypt text locally with standard algorithms. No network and no key.

LocalFree

Robinhood Chain

01.2k

madeonsol/mcp-server-robinhood-chain

Robinhood Chain (id 4663) trading intelligence: KOL trades, DEX tape, deployer reputation.

LocalFree

NimBooks

01.2k

subimpact/nimbooks-mcp

Read-only Nimiq books: balances, history, statements, staking, payment and stake links. Never signs.

LocalFree

Rise

1.2k

gzlo/rise-mcp

RISE CRM MCP server — 36 tools across CRM, projects, tickets, finance, sales, HR, and reports.

LocalAccount needed