Cascade

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1. x402-proxyx402-proxyPublic

   curl for x402 and MPP paid APIs. CLI + MCP proxy that auto-pays any endpoint on Base, Solana, and Tempo. Zero crypto code on the buyer side.

   TypeScript 11 4

2. surfsurfPublic

   Pay-per-use API gateway for AI agents. Inference, Twitter, Reddit, and web APIs - no signup, pay per call via x402 and MPP.

   1

3. agentboxagentboxPublic

   Agent in a Box

   TypeScript 14 1

4. satisatiPublic

   Trust infrastructure for million-agent economies on Solana - identity, reputation, and validation designed for continuous feedback at scale.

   TypeScript 18 3

5. splitssplitsPublic

   Non-custodial payment splitting protocol for Solana

   TypeScript 7 1

6. deadline-validatordeadline-validatorPublic

   Stateless Solana program for validating transaction deadlines. Reference implementation for x402 SVM Extension RFC

   Rust 6