diff --git a/.gitignore b/.gitignore
index 1227727..77eac94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,6 @@ ROADMAP.md
 # Existing tracked files in docs/ predate this rule; new planning docs stay local.
 docs/ultracontinue-brief.md
 docs/ultracontinue-design-notes.md
+
+# Ultraplan project directories — briefs, research, plans, progress all local.
+.claude/projects/