Add the marketplace
/plugin marketplace add ricardo-nth/claude-astro-lspInstall plugins
/pluginRun these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.
On-demand Astro diagnostics via /astro-check:check — zero memory cost, runs astro check and exits
Full Astro language server — real-time diagnostics, go-to-definition, references. ~400MB memory. For heavy editing sessions.