fix: accept both str and dict params in komodo_api_call

Resolves issue #1 - allows params parameter to accept either JSON string
or dict type, fixing type validation errors when calling the function.

server.py

@@ -1,6 +1,7 @@
 import os
 import json
 import logging
+from typing import Any
 import httpx
 from fastmcp import FastMCP
 from starlette.applications import Starlette
@@ -145,6 +146,7 @@ def get_api_reference() -> str:
 # Note: Return str (JSON) instead of dict to work around FastMCP/Gemini CLI
 # schema compatibility issue with additionalProperties
 
+
 @mcp.tool()
 def list_servers() -> str:
     """Lists all servers (periphery nodes) connected to Komodo.
@@ -198,9 +200,7 @@ def get_container_status(deployment: str) -> str:
 
 @mcp.tool()
 def komodo_api_call(
-    endpoint: str,
+    endpoint: str, request_type: str, params: str | dict[str, Any] = "{}"
-    request_type: str,
-    params: str = "{}"
 ) -> str:
     """Execute a raw Komodo API call.
 
@@ -209,7 +209,7 @@ def komodo_api_call(
     Args:
         endpoint: API endpoint - 'read', 'write', or 'execute'
         request_type: Request type name (e.g., 'GetServer', 'Deploy', 'ListBuilds')
-        params: Request parameters as a JSON string (default: "{}")
+        params: Request parameters as a JSON string or dict (default: "{}")
 
     Examples:
         - Get server: endpoint='read', request_type='GetServer', params='{"server": "my-server"}'
@@ -221,10 +221,17 @@ def komodo_api_call(
         return json.dumps(error)
 
     if endpoint not in ("read", "write", "execute"):
-        return json.dumps({"error": f"Invalid endpoint '{endpoint}'. Use 'read', 'write', or 'execute'."})
+        return json.dumps(
+            {
+                "error": f"Invalid endpoint '{endpoint}'. Use 'read', 'write', or 'execute'."
+            }
+        )
 
     try:
-        parsed_params = json.loads(params) if params else {}
+        if isinstance(params, str):
+            parsed_params = json.loads(params) if params else {}
+        else:
+            parsed_params = params or {}
     except json.JSONDecodeError as e:
         return json.dumps({"error": f"Invalid JSON in params: {e}"})
 
@@ -237,7 +244,9 @@ async def health(request):
     """Health check endpoint for Docker."""
     client, error = _get_client()
     if error:
-        return JSONResponse({"status": "degraded", "error": error["error"]}, status_code=503)
+        return JSONResponse(
+            {"status": "degraded", "error": error["error"]}, status_code=503
+        )
     return JSONResponse({"status": "ok"})
 
 
@@ -262,4 +271,5 @@ app = create_app()
 
 if __name__ == "__main__":
     import uvicorn
+
     uvicorn.run(app, host="0.0.0.0", port=8000)