x402 MCP server for AI agent payments. Gasless USDC micropayments on Base L2. Claude, Cursor, LangChain, CrewAI, AutoGen, LangGraph resolve HTTP 402 with no API keys. Non-custodial, settlement-provider-agnostic, 0% fee.
Latest release v1.3.1 — v1.3.1 — dashboard parity (103 tools) + on-chain collect · 8 Jul 2026
1 file for Claude Code: xenarch-mcp CLAUDE.md — 445 tokens loaded in every session.
CLAUDE.md A 445 tok These files are xenarch-ai/xenarch-mcp's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.