Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Argentine electronic invoicing (facturación electrónica) for ARCA/AFIP. Emit invoices, manage credentials, check delegations, and look up taxpayers. 10 tools. Install via npx keycae-mcp.
Non-custodial on-chain escrow + AI dispute arbitration for agent-to-agent USDC payments on Base. Seven tools covering the full EscrowV1 contract surface: create escrow, mark delivered with on-chain content hash, confirm or dispute, arbiter resolves with signed verdict, cancel/escalate on timeout. npx @arbitova/mcp-server