diff --git a/.prettierignore b/.prettierignore
index dded2e6c7..9d47c6235 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -13,3 +13,6 @@ test/tmp/
 test/pdfs/
 web/locale/
 *~/
+.claude/
+.codex/
+.cursor/
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 004aea530..004310b75 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -45,6 +45,7 @@ export default [
       "web/locale/",
       "web/wasm/",
       "**/*~/",
+      ".{claude,codex,cursor}/",
     ],
   },