diff --git a/ddapm_test_agent/vcr_proxy.py b/ddapm_test_agent/vcr_proxy.py
index 22371cf1..f1e0786b 100644
--- a/ddapm_test_agent/vcr_proxy.py
+++ b/ddapm_test_agent/vcr_proxy.py
@@ -13,6 +13,7 @@
     "openai": "https://api.openai.com/v1",
     "azure-openai": "https://dd.openai.azure.com/",
     "deepseek": "https://api.deepseek.com/",
+    "anthropic": "https://api.anthropic.com/",
 }
 
 NORMALIZERS = [
diff --git a/releasenotes/notes/support-ant-vcr-1eff9a40caa0aba0.yaml b/releasenotes/notes/support-ant-vcr-1eff9a40caa0aba0.yaml
new file mode 100644
index 00000000..177662dc
--- /dev/null
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@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Support anthropic vcr cassettes.
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