diff --git a/README.md b/README.md
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+++ b/README.md
@@ -6,6 +6,12 @@
 
 Loads project instructions from `AGENTS.md` files automatically, enabling Claude Code to work with projects using this open standard.
 
+## Why
+
+This plugin is targeted at users who work across many repositories and want consistent `AGENTS.md` support without per-project setup. It's also well-suited for large monorepos where symlinking `AGENTS.md` to `CLAUDE.md` in every subdirectory is less practical.
+
+With the plugin installed, `AGENTS.md` files load automatically as you navigate your codebase. Subdirectory files take precedence over parent files, giving you hierarchical context without manual symlink management.
+
 ## Requirements
 
 - Node.js 22.18.0 or later (for native TypeScript support)