diff --git a/pkg/phase/ifc/helper.go b/pkg/phase/ifc/helper.go
new file mode 100644
index 000000000..72d7e1fa1
--- /dev/null
+++ b/pkg/phase/ifc/helper.go
@@ -0,0 +1,34 @@
+/*
+ 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
+
+     https://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 ifc
+
+import (
+	"opendev.org/airship/airshipctl/pkg/api/v1alpha1"
+	"opendev.org/airship/airshipctl/pkg/cluster/clustermap"
+	"opendev.org/airship/airshipctl/pkg/document"
+)
+
+// Helper is a phase helper that provides phases with additional config related information
+type Helper interface {
+	TargetPath() string
+	WorkDir() (string, error)
+	Phase(phaseID ID) (*v1alpha1.Phase, error)
+	Plan() (*v1alpha1.PhasePlan, error)
+	ListPhases() ([]*v1alpha1.Phase, error)
+	ClusterMapAPIobj() (*v1alpha1.ClusterMap, error)
+	ClusterMap() (clustermap.ClusterMap, error)
+	ExecutorDoc(phaseID ID) (document.Document, error)
+	PhaseRoot() string
+}
diff --git a/pkg/phase/ifc/phase.go b/pkg/phase/ifc/phase.go
new file mode 100644
index 000000000..98643d909
--- /dev/null
+++ b/pkg/phase/ifc/phase.go
@@ -0,0 +1,43 @@
+/*
+ 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
+
+     https://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 ifc
+
+import (
+	"opendev.org/airship/airshipctl/pkg/api/v1alpha1"
+	"opendev.org/airship/airshipctl/pkg/cluster/clustermap"
+)
+
+// Phase provides a way to interact with a phase
+// TODO add render method
+type Phase interface {
+	Validate() error
+	Run(RunOptions) error
+	DocumentRoot() string
+	Details() (string, error)
+	Executor() (Executor, error)
+}
+
+// ID uniquely identifies the phase
+type ID struct {
+	Name      string
+	Namespace string
+}
+
+// Client is a phase client that can be used by command line or ui packages
+type Client interface {
+	PhaseByID(ID) (Phase, error)
+	PhaseByAPIObj(*v1alpha1.Phase) (Phase, error)
+	ClusterMap() (clustermap.ClusterMap, error)
+}