qqqa16521

Verify Base Mainnet transactions and native Circle USDC payments through MCP. Checks use two independent RPCs and conservative Base safe finality. Exact payment verification matches the expected sender, recipient, and atomic amount, and fails closed when RPCs disagree or are unavailable. 7 tools cover service information, credit purchase information, credit balance, safe head, transaction status, USDC transfer decoding, and exact USDC payment verification. **Pricing:** Service and payment info

Deterministic SHA-256, SHA-512, HMAC-SHA256, Base64 and JWT decode tools via MCP. Payment and discovery info are free. Protected tools use prepaid direct Base USDC credits: 0.10 USDC = 100 credits. Buyer pays gas. No x402 facilitator.