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Payment-gating your MCP server? Tell us about your pay.json manifest, the 402 flow, which rails you need (x402, Lightning, MPP, or card), or the Rust reference server — and we'll get back to you.

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What's this about? pay.json manifest & schema HTTP 402 flow / integration Payment rails (x402, Lightning, MPP, card) Rust reference server Spec / SEP feedback Security Something else

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