JSPM

Pay-per-tool-call gating proxy for MCP servers. Wrap any MCP server with API key auth, per-tool pricing, rate limiting, and usage metering.

Pay-per-call API SDK & CLI for APINow.fun — endpoints + workflows, wraps x402 so you don't have to

CLI tool for discovering, installing, and managing Claw0x AI agent skills — the native skills layer for AI agents

Wine pairing intelligence for AI assistants. Ask any MCP-compatible client (Claude, Cursor, Windsurf) for wine recommendations and get scored matches from a sommelier-grade algorithm. Supports API key and x402 (USDC on Base) payment.

agent-friendly MCP wrapper for x402engine, exposing curated pay-per-call tools over x402 micropayments with no api keys or accounts

Sign once, settle many times — session-based x402 payments on Stellar. One on-chain SAC approve unlocks unlimited micropayments via transfer_from until the cap or expiry is reached. No per-request wallet popup.

SDK for X4 API micro-services — zero-friction pay-per-call APIs via x402 micropayments on Solana

Charge for HTTP APIs on a pay-per-call basis with Bitcoin and Lightning

LangChain tools for x402 Engine — pay-per-call AI, crypto, and storage APIs via HTTP 402 micropayments

Sign once, settle many times — session-based x402 payments on Base (EVM). One on-chain ERC20 approve unlocks unlimited micropayments via transferFrom until the cap or expiry is reached. No per-request wallet popup. Powered by USDC on Base Sepolia.

Sign once, settle many times — session-based x402 payments on Base (EVM). One on-chain ERC20 approve unlocks unlimited micropayments via transferFrom until the cap or expiry is reached. No per-request wallet popup. Powered by USDC on Base Sepolia.