diff --git a/pkg/apis/resource/v1alpha1/cluster/cluster_resource.go b/pkg/apis/resource/v1alpha1/cluster/cluster_resource.go
index 85fa3037884..44e0b12ca00 100644
--- a/pkg/apis/resource/v1alpha1/cluster/cluster_resource.go
+++ b/pkg/apis/resource/v1alpha1/cluster/cluster_resource.go
@@ -166,7 +166,12 @@ func (s *Resource) GetOutputTaskModifier(_ *v1beta1.TaskSpec, _ string) (v1beta1
 
 // GetInputTaskModifier returns the TaskModifier to be used when this resource is an input.
 func (s *Resource) GetInputTaskModifier(ts *v1beta1.TaskSpec, path string) (v1beta1.TaskModifier, error) {
-	var envVars []corev1.EnvVar
+	envVars := []corev1.EnvVar{
+		{
+			Name:  "TEKTON_RESOURCE_NAME",
+			Value: s.Name,
+		},
+	}
 	for _, sec := range s.Secrets {
 		ev := corev1.EnvVar{
 			Name: strings.ToUpper(sec.FieldName),
diff --git a/pkg/apis/resource/v1alpha1/cluster/cluster_resource_test.go b/pkg/apis/resource/v1alpha1/cluster/cluster_resource_test.go
index 396cff70b69..1d8fa3f5897 100644
--- a/pkg/apis/resource/v1alpha1/cluster/cluster_resource_test.go
+++ b/pkg/apis/resource/v1alpha1/cluster/cluster_resource_test.go
@@ -180,17 +180,22 @@ func TestClusterResource_GetInputTaskModifier(t *testing.T) {
 				Image:   "override-with-kubeconfig-writer:latest",
 				Command: []string{"/ko-app/kubeconfigwriter"},
 				Args:    []string{"-clusterConfig", `{"name":"test-cluster-resource","type":"cluster","url":"http://10.10.10.10","revision":"","username":"","password":"","namespace":"","token":"","Insecure":false,"cadata":null,"clientKeyData":null,"clientCertificateData":null,"secrets":[{"fieldName":"cadata","secretKey":"cadatakey","secretName":"secret1"}]}`},
-				Env: []corev1.EnvVar{{
-					Name: "CADATA",
-					ValueFrom: &corev1.EnvVarSource{
-						SecretKeyRef: &corev1.SecretKeySelector{
-							LocalObjectReference: corev1.LocalObjectReference{
-								Name: "secret1",
+				Env: []corev1.EnvVar{
+					{
+						Name:  "TEKTON_RESOURCE_NAME",
+						Value: "test-cluster-resource",
+					},
+					{
+						Name: "CADATA",
+						ValueFrom: &corev1.EnvVarSource{
+							SecretKeyRef: &corev1.SecretKeySelector{
+								LocalObjectReference: corev1.LocalObjectReference{
+									Name: "secret1",
+								},
+								Key: "cadatakey",
 							},
-							Key: "cadatakey",
 						},
-					},
-				}},
+					}},
 			},
 		},
 	}
diff --git a/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource.go b/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource.go
index b8f6dfecae0..c8862ece40f 100644
--- a/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource.go
+++ b/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource.go
@@ -144,7 +144,12 @@ func (s *Resource) getSteps(mode string, sourcePath string) []pipelinev1beta1.St
 		args = append(args, "-disable-strict-json-comments=true")
 	}
 
-	evs := []corev1.EnvVar{}
+	evs := []corev1.EnvVar{
+		{
+			Name:  "TEKTON_RESOURCE_NAME",
+			Value: s.Name,
+		},
+	}
 	for _, sec := range s.Secrets {
 		if strings.EqualFold(sec.FieldName, authTokenField) {
 			ev := corev1.EnvVar{
diff --git a/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource_test.go b/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource_test.go
index 4a699720fc9..1da04f1727b 100644
--- a/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource_test.go
+++ b/pkg/apis/resource/v1alpha1/pullrequest/pull_request_resource_test.go
@@ -87,7 +87,7 @@ func containerTestCases(mode string) []testcase {
 			WorkingDir: pipeline.WorkspaceDir,
 			Command:    []string{"/ko-app/pullrequest-init"},
 			Args:       []string{"-url", "https://example.com", "-path", workspace, "-mode", mode},
-			Env:        []corev1.EnvVar{},
+			Env:        []corev1.EnvVar{{Name: "TEKTON_RESOURCE_NAME", Value: "nocreds"}},
 		}}},
 	}, {
 		in: &pullrequest.Resource{
@@ -108,17 +108,19 @@ func containerTestCases(mode string) []testcase {
 			WorkingDir: pipeline.WorkspaceDir,
 			Command:    []string{"/ko-app/pullrequest-init"},
 			Args:       []string{"-url", "https://example.com", "-path", "/workspace", "-mode", mode, "-provider", "github"},
-			Env: []corev1.EnvVar{{
-				Name: "AUTH_TOKEN",
-				ValueFrom: &corev1.EnvVarSource{
-					SecretKeyRef: &corev1.SecretKeySelector{
-						LocalObjectReference: corev1.LocalObjectReference{
-							Name: "github-creds",
+			Env: []corev1.EnvVar{
+				{Name: "TEKTON_RESOURCE_NAME", Value: "creds"},
+				{
+					Name: "AUTH_TOKEN",
+					ValueFrom: &corev1.EnvVarSource{
+						SecretKeyRef: &corev1.SecretKeySelector{
+							LocalObjectReference: corev1.LocalObjectReference{
+								Name: "github-creds",
+							},
+							Key: "token",
 						},
-						Key: "token",
 					},
-				},
-			}},
+				}},
 		}}},
 	}, {
 		in: &pullrequest.Resource{
@@ -133,7 +135,7 @@ func containerTestCases(mode string) []testcase {
 			WorkingDir: pipeline.WorkspaceDir,
 			Command:    []string{"/ko-app/pullrequest-init"},
 			Args:       []string{"-url", "https://example.com", "-path", workspace, "-mode", mode, "-insecure-skip-tls-verify=true"},
-			Env:        []corev1.EnvVar{},
+			Env:        []corev1.EnvVar{{Name: "TEKTON_RESOURCE_NAME", Value: "nocreds"}},
 		}}},
 	}, {
 		in: &pullrequest.Resource{
@@ -148,7 +150,7 @@ func containerTestCases(mode string) []testcase {
 			WorkingDir: pipeline.WorkspaceDir,
 			Command:    []string{"/ko-app/pullrequest-init"},
 			Args:       []string{"-url", "https://example.com", "-path", workspace, "-mode", mode, "-disable-strict-json-comments=true"},
-			Env:        []corev1.EnvVar{},
+			Env:        []corev1.EnvVar{{Name: "TEKTON_RESOURCE_NAME", Value: "strict-json-comments"}},
 		}}},
 	}}
 }
diff --git a/pkg/reconciler/taskrun/resources/input_resource_test.go b/pkg/reconciler/taskrun/resources/input_resource_test.go
index 2bf65730373..ee51b5c1cb1 100644
--- a/pkg/reconciler/taskrun/resources/input_resource_test.go
+++ b/pkg/reconciler/taskrun/resources/input_resource_test.go
@@ -848,6 +848,9 @@ gsutil cp gs://fake-bucket/rules.zip /workspace/gcs-dir
 						Args: []string{
 							"-clusterConfig", `{"name":"cluster3","type":"cluster","url":"http://10.10.10.10","revision":"","username":"","password":"","namespace":"namespace1","token":"","Insecure":false,"cadata":"bXktY2EtY2VydAo=","clientKeyData":"Y2xpZW50LWtleS1kYXRh","clientCertificateData":"Y2xpZW50LWNlcnRpZmljYXRlLWRhdGE=","secrets":null}`,
 						},
+						Env: []corev1.EnvVar{
+							{Name: "TEKTON_RESOURCE_NAME", Value: "cluster3"},
+						},
 					},
 				},
 			},
@@ -900,17 +903,19 @@ gsutil cp gs://fake-bucket/rules.zip /workspace/gcs-dir
 						Args: []string{
 							"-clusterConfig", `{"name":"cluster2","type":"cluster","url":"http://10.10.10.10","revision":"","username":"","password":"","namespace":"","token":"","Insecure":false,"cadata":null,"clientKeyData":null,"clientCertificateData":null,"secrets":[{"fieldName":"cadata","secretKey":"cadatakey","secretName":"secret1"}]}`,
 						},
-						Env: []corev1.EnvVar{{
-							ValueFrom: &corev1.EnvVarSource{
-								SecretKeyRef: &corev1.SecretKeySelector{
-									LocalObjectReference: corev1.LocalObjectReference{
-										Name: "secret1",
+						Env: []corev1.EnvVar{
+							{Name: "TEKTON_RESOURCE_NAME", Value: "cluster2"},
+							{
+								ValueFrom: &corev1.EnvVarSource{
+									SecretKeyRef: &corev1.SecretKeySelector{
+										LocalObjectReference: corev1.LocalObjectReference{
+											Name: "secret1",
+										},
+										Key: "cadatakey",
 									},
-									Key: "cadatakey",
 								},
-							},
-							Name: "CADATA",
-						}},
+								Name: "CADATA",
+							}},
 					},
 				},
 			},