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
Document intelligence, invoice extraction, PII detection, and sentiment analysis via x402 micropayments. Pay-per-use with USDC on Base — no API keys. 6 endpoints from $0.01.