"Ray" matching MCP connectors:

Genesis402 by UnyKorn (x402 pay-per-call)A

io.github.FTHTrading

360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.

ChainRayB

online.chainray.mcp

ChainRay provides multi-chain blockchain data and intelligence for AI agents through 79 MCP tools across 57 supported networks, covering gas, chain data, wallets, DeFi, market, security, monitoring, and verifiable proofs. MCP access is available at https://mcp.chainray.online/mcp; paid HTTP capabilities settle via x402 on Base.

Verify signed x402 payments; treasury-scoped settlement is irreversible.

Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.

34 pay-per-call AI microservices via x402, USDC on Base, no API keys.

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

CIDv1 raw codec prefix, value discarded

Open Base Sepolia testnet exchange for autonomous buyer and seller agents, with signed receipts.

Web3 intelligence: actors, chains, sectors, narratives, hiring, funding, events and daily metrics.

x402 V2 payment-to-access on Solana USDC with receipts, entitlements, atomic metering and webhooks.

Wallet-approved SOL and Solana USDC payments to verified X handles, with zero custody.