diff --git a/modules/mesh-build-go/buildstep/pull_bus.go b/modules/mesh-build-go/buildstep/pull_bus.go
index 8633ed77b..20c0528be 100644
--- a/modules/mesh-build-go/buildstep/pull_bus.go
+++ b/modules/mesh-build-go/buildstep/pull_bus.go
@@ -93,7 +93,8 @@ func DeclareAskWorkers(ctx context.Context, js jetstream.JetStream, language str
 	for _, kind := range sdkstep.AskKinds {
 		worker, _ := sdkstep.AskWorker(language, kind)
 		subject, _ := sdkstep.AskSubject(language, kind)
-		if _, err := js.CreateOrUpdateConsumer(ctx, stream, jetstream.ConsumerConfig{Durable: worker, FilterSubject: subject,
+		// Both forms of the accept subject: main's and the asker's, `<main's>.<asker>` (design 47 G §600).
+		if _, err := js.CreateOrUpdateConsumer(ctx, stream, jetstream.ConsumerConfig{Durable: worker, FilterSubjects: []string{subject, subject + ".*"},
 			AckPolicy: jetstream.AckExplicitPolicy, AckWait: ackWait, MaxDeliver: 5}); err != nil {
 			return fmt.Errorf("the worker %s: %w", worker, err)
 		}
diff --git a/modules/mesh-build-go/buildstep/pull_integration_test.go b/modules/mesh-build-go/buildstep/pull_integration_test.go
index 63bfc2df2..d6f043a6f 100644
--- a/modules/mesh-build-go/buildstep/pull_integration_test.go
+++ b/modules/mesh-build-go/buildstep/pull_integration_test.go
@@ -196,3 +196,32 @@ func TestAnAskThatMetTheNetworkIsGivenAgainAndADroppedOneIsEnded(t *testing.T) {
 }
 
 func contains(s, sub string) bool { return strings.Contains(s, sub) }
+
+// Design 47 G §600: the seat's worker takes an ask put on either form of the accept subject, main's and the asker's.
+func TestTheWorkerTakesBothFormsOfTheAcceptSubject(t *testing.T) {
+	js := askBus(t, 30*time.Second)
+	stream, _ := sdkstep.AskStream(sdkstep.AskGo)
+	worker, _ := sdkstep.AskWorker(sdkstep.AskGo, sdkstep.AskDelivery)
+	main, _ := sdkstep.AskSubject(sdkstep.AskGo, sdkstep.AskDelivery)
+	for _, subject := range []string{main, main + ".builder"} {
+		if _, err := js.Publish(context.Background(), subject, []byte("{}")); err != nil {
+			t.Fatal(err)
+		}
+	}
+	c, err := js.Consumer(context.Background(), stream, worker)
+	if err != nil {
+		t.Fatal(err)
+	}
+	batch, err := c.Fetch(2, jetstream.FetchMaxWait(3*time.Second))
+	if err != nil {
+		t.Fatal(err)
+	}
+	var got []string
+	for m := range batch.Messages() {
+		got = append(got, m.Subject())
+		_ = m.Ack()
+	}
+	if len(got) != 2 {
+		t.Errorf("the worker took %v, want both forms of %s", got, main)
+	}
+}
diff --git a/modules/mesh-build-node/cmd/mesh-build-node/fetch.go b/modules/mesh-build-node/cmd/mesh-build-node/fetch.go
index 8d96b6641..79828d1e3 100644
--- a/modules/mesh-build-node/cmd/mesh-build-node/fetch.go
+++ b/modules/mesh-build-node/cmd/mesh-build-node/fetch.go
@@ -260,7 +260,7 @@ func (m *Module) typeScriptModules(ctx context.Context, tree string) (dirs []str
 	return dirs, packages, nil
 }
 
-// ownDependencies are the package.json's dependencies beyond the SDK and beyond what is build-time: the types and
+// ownDependencies are the package.json's dependencies beyond the mesh's own packages (@novox/mesh-*, design 47 G A-72) and beyond what is build-time: the types and
 // typescript, which the toolchain carries (dependencies.go:49-70). Sorted; none for a module without a package.json.
 func ownDependencies(dir string) (names []string, pkg map[string]any, err error) {
 	raw, err := os.ReadFile(filepath.Join(dir, "package.json"))
@@ -275,7 +275,7 @@ func ownDependencies(dir string) (names []string, pkg map[string]any, err error)
 	}
 	deps, _ := pkg["dependencies"].(map[string]any)
 	for name := range deps {
-		if name != sdkPackage && name != "typescript" && !strings.HasPrefix(name, "@types/") {
+		if name != sdkPackage && !strings.HasPrefix(name, "@novox/mesh-") && name != "typescript" && !strings.HasPrefix(name, "@types/") {
 			names = append(names, name)
 		}
 	}
diff --git a/modules/mesh-build-node/cmd/mesh-build-node/fetch_test.go b/modules/mesh-build-node/cmd/mesh-build-node/fetch_test.go
index 76bda1a28..d88060097 100644
--- a/modules/mesh-build-node/cmd/mesh-build-node/fetch_test.go
+++ b/modules/mesh-build-node/cmd/mesh-build-node/fetch_test.go
@@ -96,6 +96,20 @@ func TestAModuleNamingOnlyTheSdkAndTypesInstallsNothing(t *testing.T) {
 	}
 }
 
+// 47/G A-72: a module naming another @novox/mesh-* package beside the SDK has no package beyond the SDK, so it installs
+// nothing and is not refused for want of a lock.
+func TestAMeshPackageIsNotBeyondTheSdk(t *testing.T) {
+	m, f := fetchMachine(t, typeScriptModule(`{"dependencies":{"@novox/mesh-sdk":"^0.1.6","@novox/mesh-tools":"^0.1.6"}}`), nil)
+	out, err := m.fetch(context.Background(), fetchArgs)
+	if err != nil {
+		t.Fatal(err)
+	}
+	r := out.(FetchResult)
+	if len(npmCalls(f)) != 0 || len(r.Installed) != 0 || len(r.Refused) != 0 {
+		t.Errorf("result = %+v, npm calls %d, want nothing installed and nothing refused", r, len(npmCalls(f)))
+	}
+}
+
 // 1489/AC2: a module naming lodash with a lock gets npm ci --omit=dev --ignore-scripts (fake runner), its install put
 // at its node_modules without the SDK and without any copy of it; without a lock the step fails naming the directory.
 func TestAModuleNamingLodashWithALockIsInstalledWithoutTheSdkAndWithoutALockFails(t *testing.T) {