"Web3.js" matching MCP connectors:

Machine-readable Japanese crypto-asset tax rules for AI agents: rules-as-code with citations, x402.

Verify business legitimacy by domain or name in <2s. Trust score, verdict, evidence. x402-payable.

Korean Legal AI — 60 agents, real-time statute verification via law.go.kr. Free 2/day.

US federal + state law via Ansvar Gateway. Cited, OAuth + paid tier.

Classify products to official HS codes and validate supplier codes before customs submissions

US legal case search: court decisions and company litigation history

Court e-filing and process serving. Submit filings, serve process, and manage orders.

USDA NOP organic compliance checks — operation websites vs live OID certificate data.

US federal and state cybersecurity/privacy law MCP server with cross-state comparison