Einvoice MCP Server: Install & Setup

Install Einvoice in Claude Code

Claude Code

claude mcp add einvoice -- npx -y einvoice-mcp

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

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

XRechnung & ZUGFeRD: create, validate, and convert German e-invoices. EN 16931 compliant.

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

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

Run: claude mcp add einvoice -- npx -y einvoice-mcp

elfa-ai/mcp

Crypto social intelligence from X and Telegram, plus the Elfa Auto condition engine

Glebenjoy/defillama-mcp

DefiLlama DeFi data: chain/protocol TVL, yields, stablecoins, token prices. No API key.

alphaparkinc/genpark-merkle-dag-state-verifier-skill

Cryptographic Merkle tree verification engine for agent state transitions, tool call histories, and

nad33mahm3d/mcp-crypto-toolkit

Live crypto prices, conversion, gas tracker, portfolio tools, and calculators for AI agents.

beepboop2025/groundcheck

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

auburnduke/charterbench

Every U.S. bank and credit union: ratios, peers, growth and change signals from FDIC/NCUA filings.