creating intital scaffolding for claude code plugins

external_plugins/supabase/README.md

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+# Supabase Plugin
+
+Supabase MCP integration for Claude Code.
+
+## What It Does
+
+Manage your Supabase projects, run SQL queries, handle authentication, storage, and real-time subscriptions directly from Claude Code.
+
+## Setup
+
+Authentication is handled automatically via dynamic client registration in most cases.
+
+## Optional: CI Environment Configuration
+
+For CI environments, set these environment variables:
+- `SUPABASE_PROJECT_REF` - Your Supabase project reference
+- `SUPABASE_ACCESS_TOKEN` - Personal access token with appropriate scopes
+
+## Learn More
+
+See [Supabase MCP Documentation](https://supabase.com/docs/guides/getting-started/mcp) for detailed setup instructions.