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.
A ready-to-clone Rust MCP server that calls Anthropic's Claude API via the crimson-crab SDK. Exposes an askclaude tool. MIT/Apache-2.0.
Local stdio MCP server for x402-powered paid crypto intelligence: preflight checks, trade decisions with decisionid, later audit against real prices, risk state, signal history, and agent automation search over USDC micropayments on Base.