diff --git a/smithery.yaml b/smithery.yaml
index 246e74f..4acf7aa 100644
--- a/smithery.yaml
+++ b/smithery.yaml
@@ -1,2 +1,13 @@
 # Smithery configuration file: https://smithery.ai/docs/config#smitheryyaml
+
+
+configSchema:
+  # JSON Schema defining the configuration options for the MCP.
+  type: "object"
+  required: ["scrapegraphApiKey"]
+  properties:
+    scrapegraphApiKey:
+      type: "string"
+      description: "Your Scrapegraph API key"
+
 runtime: "python"
\ No newline at end of file
diff --git a/src/scrapegraph_mcp/server.py b/src/scrapegraph_mcp/server.py
index 9d7d91f..4c74d38 100644
--- a/src/scrapegraph_mcp/server.py
+++ b/src/scrapegraph_mcp/server.py
@@ -17,7 +17,7 @@
 import httpx
 from fastmcp import Context, FastMCP
 from smithery.decorators import smithery
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, AliasChoices
 
 # Configure logging
 logging.basicConfig(
@@ -342,7 +342,11 @@ def close(self) -> None:
 class ConfigSchema(BaseModel):
     scrapegraph_api_key: Optional[str] = Field(
         default=None,
-        description="Your Scrapegraph API key (optional - can also be set via SGAI_API_KEY environment variable)"
+        description="Your Scrapegraph API key (optional - can also be set via SGAI_API_KEY environment variable)",
+        # Accept both camelCase (from smithery.yaml) and snake_case (internal) for validation,
+        # and serialize back to camelCase to match Smithery expectations.
+        validation_alias=AliasChoices("scrapegraphApiKey", "scrapegraph_api_key"),
+        serialization_alias="scrapegraphApiKey",
     )