diff --git a/gossip/metrics/metrics.go b/gossip/metrics/metrics.go
new file mode 100644
index 000000000..3bf94bd2e
--- /dev/null
+++ b/gossip/metrics/metrics.go
@@ -0,0 +1,118 @@
+/*
+   Copyright 2018 Banco Bilbao Vizcaya Argentaria, S.A.
+
+   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 metrics
+
+import (
+	"sync"
+
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+var (
+	// Prometheus
+	// Agents
+	Qed_auditor_instances_count = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "qed_auditor_instances_count",
+			Help: "Amount of Qed_auditor agents instanciated",
+		},
+	)
+
+	Qed_monitor_instances_count = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "qed_monitor_instances_count",
+			Help: "Amount of Qed_monitor agents instanciated",
+		},
+	)
+
+	Qed_publisher_instances_count = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "qed_publisher_instances_count",
+			Help: "Amount of Qed_publisher agents instanciated.",
+		},
+	)
+
+	Qed_auditor_batches_received_total = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Name: "qed_auditor_batches_received_total",
+			Help: "Amount of batches received by Auditor.",
+		},
+	)
+
+	Qed_monitor_batches_received_total = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Name: "qed_monitor_batches_received_total",
+			Help: "Amount of batches received by Monitor.",
+		},
+	)
+
+	Qed_publisher_batches_received_total = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Name: "qed_publisher_batches_received_total",
+			Help: "Amount of batches received by Publisher.",
+		},
+	)
+
+	Qed_auditor_batches_process_seconds = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "qed_auditor_batches_process_seconds",
+			Help: "Duration of Auditor batch processing",
+		},
+	)
+
+	Qed_monitor_batches_process_seconds = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "qed_monitor_batches_process_seconds",
+			Help: "Duration of Monitor batch processing",
+		},
+	)
+
+	Qed_publisher_batches_process_seconds = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "qed_publisher_batches_process_seconds",
+			Help: "Duration of Publisher batch processing",
+		},
+	)
+
+	metricsList = []prometheus.Collector{
+		Qed_auditor_instances_count,
+		Qed_monitor_instances_count,
+		Qed_publisher_instances_count,
+
+		Qed_auditor_batches_received_total,
+		Qed_monitor_batches_received_total,
+		Qed_publisher_batches_received_total,
+
+		Qed_auditor_batches_process_seconds,
+		Qed_monitor_batches_process_seconds,
+		Qed_publisher_batches_process_seconds,
+	}
+)
+
+var registerMetrics sync.Once
+
+// Register all metrics.
+func Register(r *prometheus.Registry) {
+	// Register the metrics.
+	registerMetrics.Do(
+		func() {
+			for _, metric := range metricsList {
+				r.MustRegister(metric)
+			}
+		},
+	)
+}
diff --git a/tests/start_agents b/tests/start_agents
new file mode 100755
index 000000000..16c1acb95
--- /dev/null
+++ b/tests/start_agents
@@ -0,0 +1,62 @@
+#!/usr/bin/env sh
+
+# Copyright 2018 Banco Bilbao Vizcaya Argentaria, S.A.
+
+# 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.
+
+qedGossipEndpoint="127.0.0.1:8400"
+alertsStoreEndpoint="http://127.0.0.1:8888"
+snapshotStoreEndpoint="http://127.0.0.1:8888"
+qedHTTPEndpoint="http://127.0.0.1:8800"
+QED="go run $GOPATH/src/github.com/bbva/qed/main.go"
+
+for i in `seq 1 $1`;
+do
+    $QED agent \
+		--alertsUrls $alertsStoreEndpoint  \
+		auditor \
+		-k key  \
+		-l info \
+		--bind 127.0.0.1:810$i  \
+		--join $qedGossipEndpoint \
+		--qedUrls $qedHTTPEndpoint  \
+		--pubUrls $snapshotStoreEndpoint \
+		--node auditor$i &
+done 
+
+for i in `seq 1 $2`;
+do
+    $QED agent \
+		--alertsUrls $alertsStoreEndpoint  \
+		monitor \
+		-k key  \
+		-l info \
+		--bind 127.0.0.1:820$i  \
+		--join $qedGossipEndpoint \
+		--qedUrls $qedHTTPEndpoint  \
+		--pubUrls $snapshotStoreEndpoint \
+		--node monitor$i &
+done 
+
+for i in `seq 1 $3`;
+do
+    $QED agent \
+		--alertsUrls $alertsStoreEndpoint  \
+		publisher \
+		-k key  \
+		-l info \
+		--bind 127.0.0.1:831$i  \
+		--join $qedGossipEndpoint \
+		--pubUrls $snapshotStoreEndpoint \
+		--node publisher$i &
+done 
diff --git a/tests/stop_agents b/tests/stop_agents
new file mode 100755
index 000000000..f770eeb02
--- /dev/null
+++ b/tests/stop_agents
@@ -0,0 +1,25 @@
+#!/usr/bin/env sh
+
+# Copyright 2018 Banco Bilbao Vizcaya Argentaria, S.A.
+
+# 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.
+
+echo Cleanup...
+if [ $(uname) == "Darwin" ]; then
+    killall agent || exit 0
+else
+    fuser -k -n tcp 8301 8201 8101 18301 18201 18101 || true
+fi
+sleep 5
+echo done.
+