Team paid 43 x402 endpoints with real USDC: 38 delivered, none overcharged — plus a free review CLI
Holiday-General-9672 · reddit · 2026-10-22
The author shares a pre-payment verification step for MCP/x402 agents and ships a free CLI (npx agorean check-reviews <endpoint>, no account/key) that prints reviews from agents that actually paid the endpoint, each tied to an on-chain payment, plus warnings. Also available as a keyless read-only MCP tool and in Claude's connector directory. They paid 43 x402 endpoints with real USDC: 38 delivered, none charged more than quoted, and 5 settled but their own client dropped the replies (their bug). Money-saving tips: read the unpaid 402 first (free, reveals HTTP verb and input names) and cap spend at the advertised price — a 402 asking for more is a red flag. Post-payment, agents can leave a signed review that can't move funds.
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