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.
Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract.
SEC EDGAR MCP for agents: search 10-K/10-Q, free sample preview, full filing JSON via x402 USDC on Polygon. xpay: sec-edgar-filings. Trial without xpay key: docs. Registry: io.github.stagproject/sec-filings-mcp.