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+# Baidu API Key Setup Guide (OpenClaw)
+
+## BAIDU_API_KEY Not Configured
+
+When the `BAIDU_API_KEY` environment variable is not set, follow these steps:
+
+### 1. Get API Key
+Visit: **https://console.bce.baidu.com/ai-search/qianfan/ais/console/apiKey**
+
+- Log in to your Baidu Cloud account
+- Create an application or view existing API keys
+- Copy your **API Key** (only API Key is needed)
+
+### 2. Configure OpenClaw
+Edit the OpenClaw configuration file: `~/.openclaw/openclaw.json`
+
+Add or merge the following structure:
+
+```json
+{
+  "skills": {
+    "entries": {
+      "baidu-search": {
+        "env": {
+          "BAIDU_API_KEY": "your_actual_api_key_here"
+        }
+      }
+    }
+  }
+}
+```
+
+Replace `"your_actual_api_key_here"` with your actual API key.
+
+### 3. Verify Configuration
+```bash
+# Check JSON format
+cat ~/.openclaw/openclaw.json | python -m json.tool
+```
+
+### 4. Restart OpenClaw
+```bash
+openclaw gateway restart
+```
+
+### 5. Test
+```bash
+cd ~/.openclaw/workspace/skills/baidu-search
+python3 scripts/search.py '{"query": "test search"}'
+```
+
+## Troubleshooting
+- Ensure `~/.openclaw/openclaw.json` exists with correct JSON format
+- Confirm API key is valid and Baidu AI Search service is activated
+- Check account balance on Baidu Cloud
+- Restart OpenClaw after configuration changes
+
+**Recommended**: Use OpenClaw configuration file for centralized management