diff --git a/modules/home/ai-agent/skills/using-jujutsu/SKILL.md b/modules/home/ai-agent/skills/using-jujutsu/SKILL.md
index 637816c..1791189 100644
--- a/modules/home/ai-agent/skills/using-jujutsu/SKILL.md
+++ b/modules/home/ai-agent/skills/using-jujutsu/SKILL.md
@@ -94,6 +94,22 @@ Do not use `jj resolve` — it launches an interactive merge tool. Edit the conf
 
 **Editing an existing commit:** use `jj edit <change-id>` to check it out, then make changes directly. The commit updates in place — no need to squash.
 
+## Commit Early, Squash Later
+
+Make small, atomic commits as you go -- especially after the project builds or a logical step is complete. These act as checkpoints you can return to if something breaks. Don't wait until the end to commit everything at once.
+
+```bash
+# after a logical step builds successfully, start a new commit for the next step
+jj new -m "extract parser into separate module"
+# make changes...
+```
+
+At the end, squash related commits together if they make more sense as one:
+
+```bash
+jj squash --into <earlier-change-id> -m "description"
+```
+
 ## Commit Quality
 
 After writing code, review each commit and refine it: