"Understanding 'fetch' (could refer to programming, definition, or other uses)" matching MCP connectors:

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

Deterministic gate for AI agents: ALLOW/DENY a step before it runs, sealed to a verifiable receipt.