diff --git a/metrics-server/pkg/provider/sink/sinkprov.go b/metrics-server/pkg/provider/sink/sinkprov.go
new file mode 100644
index 0000000..3427a15
--- /dev/null
+++ b/metrics-server/pkg/provider/sink/sinkprov.go
@@ -0,0 +1,146 @@
+// Copyright 2018 The Kubernetes Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package sink
+
+import (
+	"fmt"
+	"sync"
+	"time"
+
+	corev1 "k8s.io/api/core/v1"
+	apitypes "k8s.io/apimachinery/pkg/types"
+	metrics "k8s.io/metrics/pkg/apis/metrics"
+
+	"github.com/kubernetes-incubator/metrics-server/pkg/provider"
+	"github.com/kubernetes-incubator/metrics-server/pkg/sink"
+	"github.com/kubernetes-incubator/metrics-server/pkg/sources"
+)
+
+// kubernetesCadvisorWindow is the max window used by cAdvisor for calculating
+// CPU usage rate.  While it can vary, it's no more than this number, but may be
+// as low as half this number (when working with no backoff).  It would be really
+// nice if the kubelet told us this in the summary API...
+var kubernetesCadvisorWindow = 30 * time.Second
+
+// sinkMetricsProvider is a provider.MetricsProvider that also acts as a sink.MetricSink
+type sinkMetricsProvider struct {
+	mu    sync.RWMutex
+	nodes map[string]sources.NodeMetricsPoint
+	pods  map[apitypes.NamespacedName]sources.PodMetricsPoint
+}
+
+// NewSinkProvider returns a MetricSink that feeds into a MetricsProvider.
+func NewSinkProvider() (sink.MetricSink, provider.MetricsProvider) {
+	prov := &sinkMetricsProvider{}
+	return prov, prov
+}
+
+// TODO(directxman12): figure out what the right value is for "window" --
+// we don't get the actual window from cAdvisor, so we could just
+// plumb down metric resolution, but that wouldn't be actually correct.
+
+func (p *sinkMetricsProvider) GetNodeMetrics(nodes ...string) ([]provider.TimeInfo, []corev1.ResourceList, error) {
+	p.mu.RLock()
+	defer p.mu.RUnlock()
+
+	timestamps := make([]provider.TimeInfo, len(nodes))
+	resMetrics := make([]corev1.ResourceList, len(nodes))
+
+	for i, node := range nodes {
+		metricPoint, present := p.nodes[node]
+		if !present {
+			continue
+		}
+
+		timestamps[i] = provider.TimeInfo{
+			Timestamp: metricPoint.Timestamp,
+			Window:    kubernetesCadvisorWindow,
+		}
+		resMetrics[i] = corev1.ResourceList{
+			corev1.ResourceName(corev1.ResourceCPU):    metricPoint.CpuUsage,
+			corev1.ResourceName(corev1.ResourceMemory): metricPoint.MemoryUsage,
+		}
+	}
+
+	return timestamps, resMetrics, nil
+}
+
+func (p *sinkMetricsProvider) GetContainerMetrics(pods ...apitypes.NamespacedName) ([]provider.TimeInfo, [][]metrics.ContainerMetrics, error) {
+	p.mu.RLock()
+	defer p.mu.RUnlock()
+
+	timestamps := make([]provider.TimeInfo, len(pods))
+	resMetrics := make([][]metrics.ContainerMetrics, len(pods))
+
+	for i, pod := range pods {
+		metricPoint, present := p.pods[pod]
+		if !present {
+			continue
+		}
+
+		contMetrics := make([]metrics.ContainerMetrics, len(metricPoint.Containers))
+		var earliestTS *time.Time
+		for i, contPoint := range metricPoint.Containers {
+			contMetrics[i] = metrics.ContainerMetrics{
+				Name: contPoint.Name,
+				Usage: corev1.ResourceList{
+					corev1.ResourceName(corev1.ResourceCPU):    contPoint.CpuUsage,
+					corev1.ResourceName(corev1.ResourceMemory): contPoint.MemoryUsage,
+				},
+			}
+			if earliestTS == nil || earliestTS.After(contPoint.Timestamp) {
+				ts := contPoint.Timestamp // copy to avoid loop iteration variable issues
+				earliestTS = &ts
+			}
+		}
+		if earliestTS == nil {
+			// we had no containers
+			earliestTS = &time.Time{}
+		}
+		timestamps[i] = provider.TimeInfo{
+			Timestamp: *earliestTS,
+			Window:    kubernetesCadvisorWindow,
+		}
+		resMetrics[i] = contMetrics
+	}
+	return timestamps, resMetrics, nil
+}
+
+func (p *sinkMetricsProvider) Receive(batch *sources.MetricsBatch) error {
+	newNodes := make(map[string]sources.NodeMetricsPoint, len(batch.Nodes))
+	for _, nodePoint := range batch.Nodes {
+		if _, exists := newNodes[nodePoint.Name]; exists {
+			return fmt.Errorf("duplicate node %s received", nodePoint.Name)
+		}
+		newNodes[nodePoint.Name] = nodePoint
+	}
+
+	newPods := make(map[apitypes.NamespacedName]sources.PodMetricsPoint, len(batch.Pods))
+	for _, podPoint := range batch.Pods {
+		podIdent := apitypes.NamespacedName{Name: podPoint.Name, Namespace: podPoint.Namespace}
+		if _, exists := newPods[podIdent]; exists {
+			return fmt.Errorf("duplicate pod %s received", podIdent)
+		}
+		newPods[podIdent] = podPoint
+	}
+
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
+	p.nodes = newNodes
+	p.pods = newPods
+
+	return nil
+}