diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 0000000..78bc43c
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1,7 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+See `AGENTS.md` for all repository guidance: project structure, browser scope,
+build/test/development commands, coding style, testing, commit and pull request
+conventions, and security and privacy expectations.
diff --git a/web-ext-config.mjs b/web-ext-config.mjs
index 1b5e6cb..b31b7ff 100644
--- a/web-ext-config.mjs
+++ b/web-ext-config.mjs
@@ -4,6 +4,7 @@ export default {
   ignoreFiles: [
     "AGENTS.md",
     "CHANGELOG.md",
+    "CLAUDE.md",
     "README.md",
     "package.json",
     "package-lock.json",