diff --git a/.gitignore b/.gitignore
index bc959b7..36e3f6b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,14 @@ Thumbs.db
 .codegraph/
 # Added by code-review-graph
 .code-review-graph/
+
+# Claude Code, per machine. Not `.claude/` wholesale: `settings.json` is reviewable
+# configuration and belongs to whoever checks this repository out, while the paths below
+# never do. Left untracked and unignored, the first permission grant on any other checkout
+# makes `git status` report a change that is not one — a standing false finding in the one
+# instrument whose whole value is that a finding means something.
+.claude/sessions/
+.claude/settings.local.json
+# Throwaway checkouts an assistant subagent runs in: whole copies of this repository, so
+# committing one would nest the tree inside itself.
+.claude/worktrees/