diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 0000000..dc74006
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1,8 @@
+# Sockeye — instructions for Claude Code
+
+Sockeye is the internal licensing server for AyaNova. Its server began as a copy of AyaNova's
+(`..\raven`), with some names changed: `devdocs/NAME-MAP.md` lists them, and
+`devdocs/compare-with-raven.sh` compares the shared files with the names mapped. For a low-level
+server fix in either codebase, check whether the other needs it too, and record the answer.
+
+The working rules in `..\raven\CLAUDE.md` apply here as well.