diff --git a/.github/workflows/evals.yml b/.github/workflows/evals.yml
index 3ca708d5..e9962069 100644
--- a/.github/workflows/evals.yml
+++ b/.github/workflows/evals.yml
@@ -115,6 +115,10 @@ jobs:
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
           GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
           EVALS_CONCURRENCY: "40"
+          # Unset CI markers so Claude CLI behaves like a local environment
+          # (CI=true changes Claude's routing/tool selection behavior)
+          CI: ""
+          GITHUB_ACTIONS: ""
         run: EVALS=1 bun test --retry 2 --concurrent --max-concurrency 40 ${{ matrix.suite.file }}
 
       - name: Upload eval results