The Claude Code Plugin Marketplace: How Skills, MCP Servers, and Plugins Actually Fit Together in 2026 5/19/2026 In April 2026 Anthropic shipped a real plugin marketplace inside Claude Code. By May there were 2,800 skills, 400 plugins, and a community of developers swapping workflows the way we used to swap dotfiles. The marketplace is the most underrated developer tooling shift of the year, and most teams have no idea how to think about it. Here is the mental model, the install workflow, and the part that nobody is talking about yet.