diff --git a/.changeset/add-gemini-md.md b/.changeset/add-gemini-md.md
new file mode 100644
index 00000000..5f75f239
--- /dev/null
+++ b/.changeset/add-gemini-md.md
@@ -0,0 +1,5 @@
+---
+"@googleworkspace/cli": patch
+---
+
+Add GEMINI.md to mirror CLAUDE.md for Gemini CLI tooling
diff --git a/GEMINI.md b/GEMINI.md
new file mode 100644
index 00000000..2b3af2d1
--- /dev/null
+++ b/GEMINI.md
@@ -0,0 +1 @@
+When contributing to this repository, you must strictly follow all guidelines outlined in the AGENTS.md file.