diff --git a/CLAUDE.md b/CLAUDE.md
index 1cac0ac..229a03e 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -52,6 +52,10 @@ Process:
 
 Use a SubAgent for commit generation when the change is non-trivial, to keep the main context clean.
 
+## Restrictions
+
+- **Do NOT use WebSearch.** All work must rely on local code, existing documentation, and tool-provided context only.
+
 ## Architecture
 
 (To be updated as the project grows.)