creating intital scaffolding for claude code plugins

external_plugins/greptile/README.md

@@ -0,0 +1,23 @@
+# Greptile Plugin
+
+AI-powered codebase search and understanding for Claude Code.
+
+## What It Does
+
+Greptile enables natural language queries across your repositories to find relevant code, understand dependencies, and get contextual answers about your codebase architecture.
+
+## Setup
+
+1. Get your API key from [app.greptile.com](https://app.greptile.com)
+2. Set the environment variable:
+   ```bash
+   export GREPTILE_API_KEY=your-api-key-here
+   ```
+
+## Required Environment Variables
+
+- `GREPTILE_API_KEY` - Your Greptile API key
+
+## Learn More
+
+See [Greptile MCP Documentation](https://www.greptile.com/docs/mcp/setup-ides) for detailed setup instructions.