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.
Read-only, offline analysis of your own stock/ETF transaction log — drawdown-first risk with bootstrap confidence intervals and walk-forward verdicts, computed by a validated deterministic core and served to the model as read-only tools it reports rather than recomputes; publishes a portfolio://guarantees trust manifest.
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.