diff --git a/AGENTS.md b/AGENTS.md
index 208b925aa..5e5b319db 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -6,6 +6,7 @@
 - Source code: `src/` (CLI wiring in `src/cli`, commands in `src/commands`, web provider in `src/provider-web.ts`, infra in `src/infra`, media pipeline in `src/media`).
 - Tests: colocated `*.test.ts`.
 - Docs: `docs/` (images, queue, Pi config). Built output lives in `dist/`.
+- Plugins/extensions: live under `extensions/*` (workspace packages). Keep plugin-only deps in the extension `package.json`; do not add them to the root `package.json` unless core uses them.
 - Installers served from `https://clawd.bot/*`: live in the sibling repo `../clawd.bot` (`public/install.sh`, `public/install-cli.sh`, `public/install.ps1`).
 
 ## Docs Linking (Mintlify)