Universal test suite for MCP servers — dual-rail payment testing (x402 + MPP/Tempo), 402 challenge validation, security audit, load testing. Works with any MCP-compatible server.
mcp-protocol-tester is an early-stage JavaScript project in the AI payments / x402 ecosystem, focused on ai-agents, api-testing, blockchain, dual-rail. It currently has 1 GitHub stars and 2 forks, and sits alongside related tools like APIbase, piprail, APIMesh.
Universal MCP gateway for AI agents — 685 tools, 207 providers. One endpoint (https://apibase.pro/mcp), pay-per-call with x402 USDC on Base + MPP USDC on Tempo. Gov/open data, finance, science, climate, geo, health, more.
Universal x402 payments, accept or pay crypto on any blockchain, in a couple of lines. Back-endless, no fee; settled straight to your own wallet. Major chains preconfigured, any other works out of the box. TypeScript, MIT.
APIMesh — 23 pay-per-call web analysis APIs + 16-tool MCP server with autonomous API generation. Security audits, SEO, tech stack detection. x402 + Stripe MPP payments.