19:58
2026-10-02
dev.to
ai-agents
I Put Trading Tools Behind MCP With Per-Call Pricing — and Fixed the One Bug That Breaks x402 for MCP Builders
ScriptMasterLabs shipped a paid MCP gateway where tools/list is free and tools/call costs $0.05 in USDC per call, settled via x402 v2 on Base with no signup or API keys. The developer reports that MCP…