diff --git a/README.md b/README.md
index 4d2723410..b8b4335fd 100644
--- a/README.md
+++ b/README.md
@@ -64,11 +64,6 @@ a `virtual-kubelet` node.
 * kubectl logs
 * DNS name labels
 
-## Current Limitations
-
-* kubectl exec
-* Metrics
-
 ## Command-Line Usage
 
 ```bash
@@ -108,6 +103,12 @@ leveraging the portable Kubernetes API.
 
 Each provider may have its own configuration file, and required environmental variables.
 
+Providers must provide the following functionality to be considered a supported integration with Virtual Kubelet.
+1. Provides the back-end plumbing necessary to support the lifecycle management of pods, containers and supporting resources in the context of Kubernete.
+2. Conforms to the current API provided by Virtual Kubelet.
+3. Does not have access to the Kubernetes API Server and has a well-defined callback mechanism for getting data like secrets or configmaps.
+
+
 ### Azure Container Instances Provider
 
 The Azure Container Instances Provider allows you to utilize both