diff --git a/.gitignore b/.gitignore
index 14beae3..b469753 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,9 @@ graphify-out/
 # tokensave MCP local tooling state (per-machine code-graph database and config)
 .tokensave/
 
+# headroom MCP local tooling state (per-machine context-compression marker)
+.claude/.headroom_wrap_marker.json
+
 # Machine-local files
 *.local.*
 tmp/