diff --git a/opencode.json b/opencode.json
new file mode 100644
index 0000000..1100871
--- /dev/null
+++ b/opencode.json
@@ -0,0 +1,7 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "instructions": [
+    "CLAUDE.md",
+    "docs/implementation_plan.md"
+  ]
+}
\ No newline at end of file