The small files that make a service agent-readable: x402.json, llms.txt, MCP server cards
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A human finds your service through a landing page. An agent finds it through a handful of small, predictable files. If you run an API that agents should discover and call on their own, a set of emerging conventions is forming around files like these. Here is what each one is for. /.well-known/x402.…
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- 2026-10-25 18:32 · DEV Community — AI
The small files that make a service agent-readable: x402.json, llms.txt, MCP server cards