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.
Russian counterparty due diligence — INN/OGRN lookup against EGRUL/EGRIP, bankruptcy registry (EFRSB), tax debts (Transparent Business), FSSP enforcement proceedings, and arbitration courts (KAD). Aggregated verdict with risk flags and recommendations. No API key required (public Federal Tax Service data).
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.