diff --git a/plugins/mcp-actions-backend/package.json b/plugins/mcp-actions-backend/package.json
index da90397438..094af6de64 100644
--- a/plugins/mcp-actions-backend/package.json
+++ b/plugins/mcp-actions-backend/package.json
@@ -48,6 +48,7 @@
   "devDependencies": {
     "@backstage/backend-test-utils": "workspace:^",
     "@backstage/cli": "workspace:^",
+    "@cfworker/json-schema": "^4.1.1",
     "@types/express": "^4.17.6"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 7c145fd541..30ba2bf004 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5994,6 +5994,7 @@ __metadata:
     "@backstage/errors": "workspace:^"
     "@backstage/plugin-catalog-node": "workspace:^"
     "@backstage/types": "workspace:^"
+    "@cfworker/json-schema": "npm:^4.1.1"
     "@modelcontextprotocol/sdk": "npm:^1.12.3"
     "@types/express": "npm:^4.17.6"
     express: "npm:^4.22.0"
@@ -7904,6 +7905,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@cfworker/json-schema@npm:^4.1.1":
+  version: 4.1.1
+  resolution: "@cfworker/json-schema@npm:4.1.1"
+  checksum: 10/62fd08bb2e6b4f0fe7c2b8f8c19f17f94b6a34feba7f455f228898ab435eda8aae082fcf6b0fe8a235a72e0ec0041922fdcd4c526acc32d45084272f000c1af9
+  languageName: node
+  linkType: hard
+
 "@changesets/apply-release-plan@npm:^7.0.14":
   version: 7.0.14
   resolution: "@changesets/apply-release-plan@npm:7.0.14"