diff --git a/apps/telemetry/server/utils/allowed-tools.ts b/apps/telemetry/server/utils/allowed-tools.ts
index f7516c0c..d57355c2 100644
--- a/apps/telemetry/server/utils/allowed-tools.ts
+++ b/apps/telemetry/server/utils/allowed-tools.ts
@@ -23,6 +23,7 @@ export const DEFAULT_ALLOWED_CUSTOM_KEYS: Record<string, string[]> = {
     'baselineMode',
     'checkOutcome',
     'commentOutcome',
+    'errorStage',
     'packages',
     'entryPoints',
     'score',
diff --git a/apps/telemetry/test/action-ingest.test.ts b/apps/telemetry/test/action-ingest.test.ts
index d2cf7fb0..c77ae57d 100644
--- a/apps/telemetry/test/action-ingest.test.ts
+++ b/apps/telemetry/test/action-ingest.test.ts
@@ -8,6 +8,7 @@ const custom = {
   baselineMode: 'base',
   checkOutcome: 'created',
   commentOutcome: 'updated',
+  errorStage: 'cli',
   packages: 2,
   entryPoints: 10,
   score: 80,