How an agent finds a paid endpoint: .well-known/x402.json, llms.txt and an MCP server card
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Disclosure: I build Dutiful, the service used as the example. The files below are Dutiful's own published discovery artifacts - treat them as our setup, not a specification or a guarantee that any framework supports them. A previous post ( https://dev.to/dutiful_dev/how-an-agent-pays-for-and-reads-…
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- 2026-10-24 06:16 · DEV Community — AI
How an agent finds a paid endpoint: .well-known/x402.json, llms.txt and an MCP server card