x402 — independent software & tools

2 independent x402 listings the big search engines bury.

• @aifinpay/agent

  npm · Free · by aifinpay

  Unified agent-economy SDK for autonomous AI agents — chain-opaque AiFinPayAgent surface (call/openSession/balance/verify) over Polygon and Solana execution environments.

• run402

  github · Free · by kychee-com

  MCP server for Run402 — AI-native Postgres + REST + auth + storage + static sites. Pay with x402 USDC on Base. No signups.