diff --git a/action.yml b/action.yml
index ec4d27b..26d2ca2 100644
--- a/action.yml
+++ b/action.yml
@@ -10,23 +10,23 @@ inputs:
   model:
     description: 'Claude model to use'
     required: false
-    default: '/int/reviewer/default'
+    default: ''
   cc_bgmodel:
     description: 'Background Claude model to use'
     required: false
-    default: '/int/reviewer/background'
+    default: ''
   cc_metric_url:
     description: 'Base URL for the metrics API endpoint'
     required: false
-    default: 'http://172.16.2.6:4317'
+    default: ''
   cc_base_url:
     description: 'Base URL for the Claude API endpoint'
     required: false
-    default: 'https://llm.developertools.pro'
+    default: ''
   enable_reviewer_verification:
     description: 'Whether to verify that the bot is assigned as a reviewer before running'
     required: false
-    default: 'true'
+    default: ''
   team_name:
     description: 'Team name for telemetry/metrics attribution'
     required: false
@@ -54,7 +54,7 @@ inputs:
   server:
     description: 'Gitea server URL'
     required: false
-    default: 'https://code.wynenterprise.io'
+    default: ''
   repo_owner:
     description: 'Repository owner (defaults to GITHUB_REPOSITORY owner)'
     required: false
@@ -105,27 +105,27 @@ runs:
       if: steps.check.outputs.run == 'true'
       shell: bash
       env:
-        CC_BASE_URL: ${{ inputs.cc_base_url }}
-        CC_API_KEY: ${{ inputs.anthropic_api_key }}
-        CC_MODEL: ${{ inputs.model }}
-        CC_BGMODEL: ${{ inputs.cc_bgmodel }}
-        CC_METRIC_URL: ${{ inputs.cc_metric_url }}
-        VCS_ACCESS_TOKEN: ${{ inputs.gitea_token }}
-        TEAM_NAME: ${{ inputs.team_name || github.repository_owner }}
-        SERVER: ${{ inputs.server }}
-        ENABLE_REVIEWER_VERIFICATION: ${{ inputs.enable_reviewer_verification }}
-        LOG_LEVEL: ${{ inputs.log_level }}
-        OPTIONS_TYPE: ${{ inputs.options_type }}
-        CC_PROMPT: ${{ inputs.cc_prompt }}
-        CC_ALLOWED_TOOL: ${{ inputs.cc_allowed_tool }}
-        CC_DISALLOWED_TOOL: ${{ inputs.cc_disallowed_tool }}
-        REPO_OWNER: ${{ inputs.repo_owner }}
-        REPO_SLUG: ${{ inputs.repo_slug }}
-        SOURCE_BRANCH: ${{ inputs.source_branch }}
-        SOURCE_COMMIT: ${{ inputs.source_commit }}
-        PR_ID: ${{ inputs.pr_id }}
-        PR_DESTINATION_BRANCH: ${{ inputs.pr_destination_branch }}
-        PR_DESTINATION_COMMIT: ${{ inputs.pr_destination_commit }}
+        CC_BASE_URL: ${{ inputs.cc_base_url || vars.CC_BASE_URL }}
+        CC_API_KEY: ${{ inputs.anthropic_api_key || vars.CC_API_KEY }}
+        CC_MODEL: ${{ inputs.model || vars.CC_MODEL }}
+        CC_BGMODEL: ${{ inputs.cc_bgmodel || vars.CC_BGMODEL }}
+        CC_METRIC_URL: ${{ inputs.cc_metric_url || vars.CC_METRIC_URL }}
+        VCS_ACCESS_TOKEN: ${{ inputs.gitea_token || vars.VCS_ACCESS_TOKEN }}
+        TEAM_NAME: ${{ inputs.team_name || vars.TEAM_NAME || github.repository_owner }}
+        SERVER: ${{ inputs.server || vars.SERVER || github.server_url }}
+        ENABLE_REVIEWER_VERIFICATION: ${{ inputs.enable_reviewer_verification || vars.ENABLE_REVIEWER_VERIFICATION }}
+        LOG_LEVEL: ${{ inputs.log_level || vars.LOG_LEVEL }}
+        OPTIONS_TYPE: ${{ inputs.options_type || vars.OPTIONS_TYPE }}
+        CC_PROMPT: ${{ inputs.cc_prompt || vars.CC_PROMPT }}
+        CC_ALLOWED_TOOL: ${{ inputs.cc_allowed_tool || vars.CC_ALLOWED_TOOL }}
+        CC_DISALLOWED_TOOL: ${{ inputs.cc_disallowed_tool || vars.CC_DISALLOWED_TOOL }}
+        REPO_OWNER: ${{ inputs.repo_owner || vars.REPO_OWNER }}
+        REPO_SLUG: ${{ inputs.repo_slug || vars.REPO_SLUG }}
+        SOURCE_BRANCH: ${{ inputs.source_branch || vars.SOURCE_BRANCH }}
+        SOURCE_COMMIT: ${{ inputs.source_commit || vars.SOURCE_COMMIT }}
+        PR_ID: ${{ inputs.pr_id || vars.PR_ID }}
+        PR_DESTINATION_BRANCH: ${{ inputs.pr_destination_branch || vars.PR_DESTINATION_BRANCH }}
+        PR_DESTINATION_COMMIT: ${{ inputs.pr_destination_commit || vars.PR_DESTINATION_COMMIT }}
       run: /pipe.sh
 
 branding: