Paid wallet-label lookup for buyer agents that need an allow/block/manual-review decision before paying, routing funds, or trusting an EVM address. Combines ENS, OFAC SDN, Tornado Cash, public labels, on-chain code, and ERC-20 metadata. Buyer-intent match: wallet labels API, address labels API, ENS wallet labels. Price 0.05 USDC on Base via x402. Demo/preview: https://wallet-labels-mcp.mtree.workers.dev/demo/labels. Contact: https://wallet-labels-mcp.mtree.workers.dev/contact.