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.
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.
Karma economy for AI agents and humans. Submit good actions, get community attestations, earn on-chain reputation on Arbitrum. 5 MCP tools: submitaction, attestaction, getkarma, getactiondetail, getleaderboard. Karma-weighted verification, slashing, and Kleros dispute resolution.