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.
Calibrated world model for AI agents from 9,700+ prediction markets. 16 MCP tools covering real-time world state, market search, thesis management, edge detection, and content enrichment across Kalshi and Polymarket. getworldstate returns 800 tokens of calibrated probabilities — no API key needed.
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.