diff --git a/.npmignore b/.npmignore
index a0512f27..d50161c0 100644
--- a/.npmignore
+++ b/.npmignore
@@ -49,3 +49,22 @@ install-remote.ps1
 ccw/package.json
 ccw/node_modules/
 ccw/*.md
+
+# Python development files
+__pycache__/
+*.pyc
+*.pyo
+.venv/
+.pytest_cache/
+*.egg-info/
+.coverage
+
+# codex-lens development files
+codex-lens/.venv/
+codex-lens/.pytest_cache/
+codex-lens/tests/
+codex-lens/docs/
+codex-lens/.coverage
+codex-lens/*.db
+codex-lens/_*.txt
+codex-lens/.workflow/
diff --git a/package.json b/package.json
index a81ec0ab..7c674303 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,8 @@
     ".codex/",
     ".gemini/",
     ".qwen/",
+    "codex-lens/src/codexlens/",
+    "codex-lens/pyproject.toml",
     "CLAUDE.md",
     "README.md"
   ],