Karbon MCP Server: Install & Setup

Install Karbon in Claude Code

Claude Code

claude mcp add karbon -e KARBON_BEARER_TOKEN=... -e KARBON_ACCESS_KEY=... -- npx -y karbon-mcp-server

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

{
  "mcpServers": {
    "karbon": {
      "command": "npx",
      "args": [
        "-y",
        "karbon-mcp-server"
      ],
      "env": {
        "KARBON_BEARER_TOKEN": "...",
        "KARBON_ACCESS_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Karbon MCP server do?

Unofficial MCP server for Karbon practice management: contacts, work, time, invoices, payments.

Is the Karbon MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Karbon run locally or remotely?

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

How do I add Karbon to Claude Code?

Run: claude mcp add karbon -e KARBON_BEARER_TOKEN=... -e KARBON_ACCESS_KEY=... -- npx -y karbon-mcp-server

More finance, fintech & payments MCP servers

View all

Lexware

lazyants/lexware-mcp-server

MCP server for the Lexware Office API — invoices, contacts, articles, and vouchers.

LocalFree

Interswitch

1202

Dairus01/Interswitch-mcp-server

MCP server for Interswitch APIs: payments, transfers, Verve cards, airtime, and paycodes.

LocalAccount needed

Mnemopay SDK

mnemopay/mnemopay-sdk

Trust OS for AI agents: governed memory, payments, reputation, approvals, and audit evidence.

LocalFree

Hogswap

0233

LiquiHog/hogswap-mcp

Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.

Local + RemotePaid service

Paypay

0230

mrslbt/paypay-mcp

PayPay QR payments for AI agents: QR codes, status, refunds, cancels. Bilingual JP/EN.

LocalFree

Gold

ThaiTrevor/gold-mcp

MCP server for XAUUSD gold market data + 4-tier trading toolkit (TA, backtest, SMC, risk).

LocalFree