"Elm" matching MCP connectors:

Pay-per-call Base and Polygon onchain data over x402 for AI agents.

61 x402 pay-per-call tools that chain: each answer names the next call. No API key, no account.

Pay-per-call LLM chat plus data tools: DNS, crypto, Base gas, Wikipedia. x402 USDC or Lightning.

XLM (Stellar) market sentiment for agents — keyless, pay-per-call via x402 (USDC on Base).

Agent reads, ETH/Base/Arc/BNB: prices, FX, sanctions, payment checks, balances, NFTs, gas, ENS.