diff --git a/cliv2-private/cmd/cliv2/main.go b/cliv2-private/cmd/cliv2/main.go
index 796e3da3e1..bfdfa80a8d 100644
--- a/cliv2-private/cmd/cliv2/main.go
+++ b/cliv2-private/cmd/cliv2/main.go
@@ -6,6 +6,7 @@ import (
 	"github.com/snyk/ambient-canary/pkg/daemon"
 	"github.com/snyk/cli-extension-axi/pkg/agent"
 	"github.com/snyk/cli-extension-cos/pkg/cos"
+	"github.com/snyk/cli-extension-studio/pkg/studio"
 	"github.com/snyk/remy-cli-extension/pkg/remy"
 	"github.com/snyk/rift-cli-extension/pkg/rift"
 
@@ -19,5 +20,6 @@ func main() {
 		core.WithAdditionalExtensions(cos.Init),
 		core.WithAdditionalExtensions(daemon.Init),
 		core.WithAdditionalExtensions(rift.Init),
+		core.WithAdditionalExtensions(studio.Init),
 	))
 }
diff --git a/cliv2-private/go.mod b/cliv2-private/go.mod
index e90b52eb3b..2db45c17cb 100644
--- a/cliv2-private/go.mod
+++ b/cliv2-private/go.mod
@@ -6,6 +6,7 @@ require (
 	github.com/snyk/ambient-canary v0.0.0-20260722064253-fba619a134a9
 	github.com/snyk/cli-extension-axi v0.0.0-20260818155424-6ae9a45c0c55
 	github.com/snyk/cli-extension-cos v0.0.0-20260818151318-d63bb9db9484
+	github.com/snyk/cli-extension-studio v1.0.0
 	github.com/snyk/cli/cliv2 v0.0.0
 	github.com/snyk/remy-cli-extension v1.36.1
 	github.com/snyk/rift-cli-extension v1.1.1
@@ -301,6 +302,8 @@ require (
 // For local development, point to the sibling public module:
 replace github.com/snyk/cli/cliv2 => ../cliv2
 
+// replace github.com/snyk/cli-extension-studio => ../../cli-extension-studio
+
 // replace github.com/snyk/remy-cli-extension => ../../remy-cli-extension
 
 // replace github.com/snyk/go-application-framework => ../../go-application-framework
diff --git a/cliv2-private/go.sum b/cliv2-private/go.sum
index 8c8d4e0efc..a48bb55de1 100644
--- a/cliv2-private/go.sum
+++ b/cliv2-private/go.sum
@@ -584,6 +584,8 @@ github.com/snyk/cli-extension-sbom v0.0.0-20260818092356-16ee760085f9 h1:Kz/UCPa
 github.com/snyk/cli-extension-sbom v0.0.0-20260818092356-16ee760085f9/go.mod h1:YUDazoukFqA0OpYuACIoqVEsfPCAFXo9XotUk9RjmUY=
 github.com/snyk/cli-extension-secrets v0.0.0-20260811115637-ee872c26b0cd h1:sSVkD1CuL8v49boItrt2CnQ4DJIH+sjGwFGheGCVAxo=
 github.com/snyk/cli-extension-secrets v0.0.0-20260811115637-ee872c26b0cd/go.mod h1:PrKXTT4fwEJPIzphT4n1tH5mwt2D1/qadP5HNCvub9Y=
+github.com/snyk/cli-extension-studio v1.0.0 h1:nb4qyX2RzTqynO1RJdKLUfOWm8SSItIdtsCbE2/SIHQ=
+github.com/snyk/cli-extension-studio v1.0.0/go.mod h1:STXQpxTbP8xa7m0IEaHgKXt+juCEDxQyVC95avx73nU=
 github.com/snyk/code-client-go v1.31.8 h1:3o9vJKsgXiKkwiOPplJejw41nqTPylDzXqQmq5Daor8=
 github.com/snyk/code-client-go v1.31.8/go.mod h1:pHrCXCt5BJmG2L99KO5d8Qm4xdSOpbE9HEs61WsoHSo=
 github.com/snyk/container-cli v0.0.0-20260213211631-cd2b2cf8f3ea h1:/v48hCMPiZVjplylgE2FX1ib8Qd8LN/vf8ZIKfA+wkI=
diff --git a/cliv2/Makefile b/cliv2/Makefile
index be8d0a6725..952e1d412e 100644
--- a/cliv2/Makefile
+++ b/cliv2/Makefile
@@ -37,11 +37,17 @@ _validate-build-mode:
 			echo "ERROR: BUILD_MODE=private requested but $(PRIVATE_DIR)/go.mod not found." >&2; \
 			exit 1; \
 		fi; \
-		if ! (cd "$(PRIVATE_DIR)" && $(GOCMD) mod download > /dev/null 2>&1); then \
+		DOWNLOAD_LOG="$$(mktemp)"; \
+		if ! (cd "$(PRIVATE_DIR)" && $(GOCMD) mod download) > "$$DOWNLOAD_LOG" 2>&1; then \
 			echo "ERROR: BUILD_MODE=private requested but private module dependencies cannot be resolved." >&2; \
 			echo "       Check GOPRIVATE and network connectivity." >&2; \
+			echo "       GOPRIVATE=$${GOPRIVATE:-<unset>}" >&2; \
+			echo "       'go mod download' output:" >&2; \
+			sed 's/^/         /' "$$DOWNLOAD_LOG" >&2; \
+			rm -f "$$DOWNLOAD_LOG"; \
 			exit 1; \
 		fi; \
+		rm -f "$$DOWNLOAD_LOG"; \
 	fi
 
 # Build tools