Open-source x402 + MCP server: 1,407 pay-per-call tools + 92 skill packs for AI agents (browser, search, PDFs, live finance/crypto/macro data, SEC EDGAR, options & bond pricing, stats). USDC on Base, Solana, Polygon, Arbitrum & Stellar — plus USDG on Robinhood Chain (6 chains). Free via proof-of-work.
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Updated
Jul 8, 2026 - JavaScript