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.
Open-source AI accounting skills, checked by licensed accountants jurisdiction by jurisdiction. 3 tools: list skills by country/category, get full skill content, and get individual sections. Skills teach AI agents tax computations (income tax, VAT, payroll) across 134 countries plus US states and Canadian provinces. Hosted at https://www.openaccountants.com/api/mcp.
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.