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.
Browse, recommend, and buy authentic Chinese tea from hou-tea.com using USDC stablecoin via the x402 protocol. First commerce MCP that ships real on-chain payment intents (delegated to wallet MCPs like @coinbase/payments-mcp). 8 tools: browse / recommend / explain / compare / health-filter / payment / order-status / agent-card.
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