"mailbox.org" matching MCP connectors:

Screenshot & HTML-to-PDF rendering API for AI agents — capture any URL or raw HTML as PNG/JPEG/PDF via a managed Chromium fleet. Free tier.

x402 image tools (USDC/Base): remove_background/upscale $0.02, resize/optimize $0.005; URL in/out

R3

org.r3js

Build interactive 3D web apps — scenes, physics, audio and music — from composable components.