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.
bolthub API marketplace where agents discover and pay for tools per call over Bitcoin Lightning (L402), with budgets, prepaid credit, scoped delegation, and verifiable receipts.
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.