Blink is serverless cloud infrastructure for agentic coding. Build and host full-stack apps from your editor with managed SQL databases, authentication, file storage, serverless backends (Hono), task queues, custom domains, AI gateway, real-time WebSockets, RAG knowledge bases, 38 OAuth connectors, and production hosting — all zero-config. 62 MCP tools for full platform control. 14 skills that teach agents how to use every feature. 4 specialized subagents (full-stack builder, frontend, backend, verifier). Persistent coding rules for correct SDK usage. Works with React, Next.js, Vue, Svelte, Astro, and Expo. Authenticate with a workspace API key from blink.new/settings.