diff --git a/model-registry/harness-roles.yaml b/model-registry/harness-roles.yaml
new file mode 100644
index 0000000..f596651
--- /dev/null
+++ b/model-registry/harness-roles.yaml
@@ -0,0 +1,8 @@
+roles:
+  code-tdd:
+    airouter-qwen3: code-airouter-tdd-repo
+    airouter-deepseekv4flash: code-airouter-deepseekv4flash-tdd-repo
+    claude-sonnet-4: code-sonnet-tdd-repo
+    claude-opus-4: code-opus-tdd-repo
+    claude-haiku-4: code-haiku-tdd-repo
+    minimax: code-minimax-tdd-repo