Build a Lightning-Gated MCP Server in 10 Minutes

Short summary

Monetize MCP servers with Lightning Network micropayments and optional Nostr identity verification. The tutorial covers L402 macaroon-based authentication, LNBits integration, and per-caller Depth-of-Identity scoring to block API abuse and Sybil attacks. Full setup guide with Node.js, environment configuration, and curl examples.

• •L402 Lightning gate returns 402 Payment Required with invoice on first call
• •Caller pays sats and retries with macaroon+preimage for API access
• •Optional DoI score check adds per-pubkey reputation to prevent Sybil grinding

Generated with AI, which can make mistakes.