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.
Czech National Bank (ČNB) daily FX rates: fetch official CZK exchange rates, convert between currencies, fetch historical rates. Cached 10 min to ease upstream load. npm @czagents/cnb or HTTP at cnb.cz-agents.dev/mcp.
LLM-agent-native backtest framework for SHFE daily futures research. 23 MCP tools (strategy validation, scaffolding, indicator catalog, error-code lookup), 22 in-package skills, 32 catalogued error codes, working strategy templates. pip install echolon then claude mcp add -s user echolon -- echolon-mcp.