Fixing various client issues

Author: estohlmann

lib/serve/mcp-workbench/src/mcpworkbench/aws/sts_client.py

@@ -45,10 +45,6 @@ def _create_sts_client(
             "aws_access_key_id": access_key_id,
             "aws_secret_access_key": secret_access_key,
             "region_name": region,
-            # Use the regional STS endpoint so traffic stays within the VPC
-            # when an STS VPC endpoint is configured (the global endpoint
-            # sts.amazonaws.com is not reachable from private subnets).
-            "endpoint_url": f"https://sts.{region}.amazonaws.com",
         }
         if session_token:
             kwargs["aws_session_token"] = session_token

lib/serve/mcpWorkbenchConstruct.ts

@@ -184,7 +184,7 @@ export class McpWorkbenchConstruct extends Construct {
 
         return {
             environment: {
-                RCLONE_CONFIG_S3_REGION: config.region,
+                RCLONE_S3_REGION: config.region,
                 MCPWORKBENCH_BUCKET: [config.deploymentName, config.deploymentStage, 'MCPWorkbench', config.accountNumber].join('-').toLowerCase(),
                 CORS_ORIGINS: config.mcpWorkbenchCorsOrigins,
             },