MCP connectors by io.github.kadopi

Deterministic preflight checks for credentials, fund transfers, writes, and prompt overrides.

Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.

Japan tourism entry and ecommerce evidence MCP for business agents; free tools and x402 pack.

Free no-storage MCP that checks A2A Agent Card connection readiness for authorized targets.

Paid pre-execution risk verification for AI agents over MCP and x402.