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
TCG collectibles + AI agent intelligence. 35+ tools: Vision AI card grading (PSA/Beckett prediction), Monte Carlo price simulation (Heston/Merton/Kou), AI music generation, local image generation (FLUX), TTS, RAG memory, SAST security auditing, and x402 Oracle API. 370K+ indexed products across 25 games. Install via pip install undesirables-mcp-server.