diff --git a/README.md b/README.md
index 12bf47f..7619330 100644
--- a/README.md
+++ b/README.md
@@ -36,4 +36,16 @@ python scripts/start_mcp_server.py
 
 # update configs/ws_mcp_config.json with link from the command above
 python scripts/ws_start_register_tools.py
+```
+
+# Eval Dataset Format
+see `scripts/make_eval_dataset.py` for example. Specific meaning of each entry:
+```json
+[
+    {
+        "inputs": {"text": "用retrieve查询光予尘然后介绍"}, // model input
+        "outputs": {"answer": "光予尘茉莉绿茶为底",         // reference answer
+                    "tool_use": ["retrieve"]}            // tool uses; assume model need to use all tools if more than 1 provided 
+    }
+]
 ```
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