diff --git a/manifest/overlays/production/mcp-tool-config-dev.yaml b/manifest/overlays/production/mcp-tool-config-dev.yaml
index 6c1e9ad..e62accd 100644
--- a/manifest/overlays/production/mcp-tool-config-dev.yaml
+++ b/manifest/overlays/production/mcp-tool-config-dev.yaml
@@ -4,7 +4,7 @@ metadata:
   name: dev-tools
   namespace: toolhive-system
 spec:
-  filter:
+  toolsFilter:
     - search_code
     - get_file
     - list_pull_requests
diff --git a/manifest/overlays/production/mcp-tool-config-ops.yaml b/manifest/overlays/production/mcp-tool-config-ops.yaml
index 1ce263a..7227955 100644
--- a/manifest/overlays/production/mcp-tool-config-ops.yaml
+++ b/manifest/overlays/production/mcp-tool-config-ops.yaml
@@ -4,7 +4,7 @@ metadata:
   name: ops-tools
   namespace: toolhive-system
 spec:
-  filter:
+  toolsFilter:
     - get_application
     - get_application_history
     - get_application_health
diff --git a/manifest/overlays/production/mcp-tool-config-state-docs.yaml b/manifest/overlays/production/mcp-tool-config-state-docs.yaml
index c82e359..2fe723a 100644
--- a/manifest/overlays/production/mcp-tool-config-state-docs.yaml
+++ b/manifest/overlays/production/mcp-tool-config-state-docs.yaml
@@ -4,7 +4,7 @@ metadata:
   name: state-doc-tools
   namespace: toolhive-system
 spec:
-  filter:
+  toolsFilter:
     - get_application
     - get_application_health
     - get_application_history