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.
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
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.