OpenAI, Amazon, Cursor, Microsoft and Vercel shipped Agent Plugins 1.0.0 on 6 August. It came with no registry, installer or validator. This directory lists 658 plugins. We fetched every plugin.json from GitHub and checked it against the official schema before listing it. Together they ship 2,868 skills and 297 MCP servers, with install steps for 6 clients. The validator is free and runs in your browser. /stats publishes how we count, so you can argue with the number. No signup, no database.