diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
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+# SPDX-License-Identifier: MPL-2.0
+# CODEOWNERS - Code ownership for echidnabot
+# See https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+
+# Default owner for everything
+* @hyperpolymath
+
+# Core bot crates
+/src/ @hyperpolymath
+/crates/ @hyperpolymath
+
+# Infrastructure and CI/CD
+/.github/ @hyperpolymath
+/scripts/ @hyperpolymath
+
+# SCM and machine-readable metadata
+/.machine_readable/ @hyperpolymath