diff --git a/.gitignore b/.gitignore
index b736a90b11..12f73d0308 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,9 @@
 
 # AI
 .claude/settings.local.json
+CLAUDE.local.md
+.mb/
+mb/
 .devcontainer
 
 # Benchmark fixed opcode counts
diff --git a/pyproject.toml b/pyproject.toml
index 5d763b14e4..588025f6c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -441,6 +441,10 @@ builtin = "clear,code,usage"
 # Version control & tooling, build artifacts, data files, test fixtures, temp files, lock files
 skip = [
     ".devcontainer",
+    # Local AI memory and notes files (gitignored, may exist as symlinks)
+    "CLAUDE.local.md",
+    ".mb",
+    "mb",
     ".git",
     ".just",
     ".venv",