diff --git a/README.md b/README.md
index 6f63308..3ee45ed 100644
--- a/README.md
+++ b/README.md
@@ -170,12 +170,17 @@ harness get gateways [-o table|json|yaml]
 harness describe <name>
     Detailed status for a specific sandbox (phase, gateway, providers).
 
+harness delete <name> [<name>...]
+    Delete specific sandboxes by name.
+
+harness delete --all
+    Delete all sandboxes, providers, and k8s resources.
+
+harness delete --providers / --k8s
+    Delete providers or k8s resources selectively.
+
 harness stop [NAME] / harness start [NAME]
     Stop or start a sandbox without deleting it.
-
-harness teardown [--sandboxes] [--providers] [--k8s]
-    Tear down resources. At least one flag required.
-    (Deprecated: will be replaced by 'harness delete')
 ```
 
 For sandbox connect/logs, use openshell directly:
diff --git a/SPEC.md b/SPEC.md
index 9078b47..191c0f4 100644
--- a/SPEC.md
+++ b/SPEC.md
@@ -114,6 +114,10 @@ These are convenience wrappers. For full details, use `openshell sandbox list`,
 
 Show detailed status for a specific sandbox: phase, active gateway, and registered providers.
 
+### `harness delete [NAME...] [--all] [--providers] [--k8s]`
+
+Delete sandboxes by name, or use flags for bulk operations. `--all` deletes sandboxes, providers, and k8s resources. Reuses the same teardown functions as the old `teardown` command.
+
 ### `harness deploy [local|ocp|kind]`
 
 Deploy or verify the gateway for a target. Reads `profiles/gateways/<target>.yaml`.
@@ -128,7 +132,7 @@ These commands still work but will be removed in a future release:
 
 | Old command | Replacement | Notes |
 |-------------|-------------|-------|
-| `harness teardown` | `harness delete` (planned) | Flags: `--sandboxes`, `--providers`, `--k8s` |
+| `harness teardown` | `harness delete` | Same flags: `--sandboxes`, `--providers`, `--k8s` |
 | `harness status` | `harness get agents` | |
 
 ## Config Files
diff --git a/cmd/delete.go b/cmd/delete.go
new file mode 100644
index 0000000..5ec8b3e
--- /dev/null
+++ b/cmd/delete.go
@@ -0,0 +1,85 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/robbycochran/harness-openshell/internal/gateway"
+	"github.com/robbycochran/harness-openshell/internal/k8s"
+	"github.com/robbycochran/harness-openshell/internal/status"
+	"github.com/spf13/cobra"
+)
+
+func NewDeleteCmd(harnessDir, cli string) *cobra.Command {
+	var (
+		all       bool
+		sandboxes bool
+		providers bool
+		k8sFlag   bool
+	)
+
+	cmd := &cobra.Command{
+		Use:   "delete [NAME...] [--all] [--providers] [--k8s]",
+		Short: "Delete sandboxes, providers, or k8s resources",
+		Long: `Delete specific sandboxes by name, or use flags for bulk operations.
+
+Examples:
+  harness delete my-sandbox          Delete a specific sandbox
+  harness delete agent test          Delete multiple sandboxes
+  harness delete --all               Delete all sandboxes, providers, and k8s resources
+  harness delete --providers         Delete all providers (no running sandboxes allowed)
+  harness delete --k8s               Delete k8s resources (helm, namespace, SCCs)`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if len(args) == 0 && !all && !sandboxes && !providers && !k8sFlag {
+				return fmt.Errorf("specify sandbox name(s) or use --all, --sandboxes, --providers, --k8s")
+			}
+
+			gw := gateway.New(cli)
+
+			// Targeted sandbox deletion
+			if len(args) > 0 {
+				for _, name := range args {
+					if err := gw.SandboxDelete(name); err != nil {
+						status.Failf("%s: %v", name, err)
+					} else {
+						status.OKf("Deleted sandbox %s", name)
+					}
+				}
+				if !all && !providers && !k8sFlag {
+					return nil
+				}
+			}
+
+			activeGW := gw.ActiveGateway()
+			if activeGW != "" {
+				status.Infof("Active gateway: %s", activeGW)
+			} else {
+				status.Info("Active gateway: none")
+			}
+			fmt.Println()
+
+			if all || sandboxes {
+				teardownSandboxes(gw, activeGW)
+			}
+			if all || providers {
+				if err := teardownProviders(gw, activeGW); err != nil {
+					return err
+				}
+			}
+			if all || k8sFlag {
+				ns := k8s.DefaultNamespace()
+				gwCfg, _ := resolveGatewayConfig(harnessDir, "ocp")
+				teardownK8s(gw, gwCfg, k8s.New("", ns), k8s.New("", ""))
+			}
+
+			status.Done("Done.")
+			return nil
+		},
+	}
+
+	cmd.Flags().BoolVar(&all, "all", false, "Delete all sandboxes, providers, and k8s resources")
+	cmd.Flags().BoolVar(&sandboxes, "sandboxes", false, "Delete all sandboxes")
+	cmd.Flags().BoolVar(&providers, "providers", false, "Delete all providers")
+	cmd.Flags().BoolVar(&k8sFlag, "k8s", false, "Delete k8s resources")
+
+	return cmd
+}
diff --git a/main.go b/main.go
index 9b1bf9c..35c60b2 100644
--- a/main.go
+++ b/main.go
@@ -64,6 +64,7 @@ func main() {
 		cmd.NewApplyCmd(harnessDir, cli),
 		cmd.NewGetCmd(harnessDir, cli),
 		cmd.NewDescribeCmd(harnessDir, cli),
+		cmd.NewDeleteCmd(harnessDir, cli),
 		cmd.NewDeployCmd(harnessDir, cli),
 		cmd.NewStopCmd(harnessDir, cli),
 		cmd.NewStartCmd(harnessDir, cli),
@@ -72,7 +73,7 @@ func main() {
 	// Deprecated aliases
 	teardownCmd := cmd.NewTeardownCmd(harnessDir, cli)
 	teardownCmd.Hidden = true
-	teardownCmd.Deprecated = "will be replaced by 'harness delete' in a future release"
+	teardownCmd.Deprecated = "use 'harness delete' instead"
 	statusCmd := cmd.NewStatusCmd(harnessDir, cli)
 	statusCmd.Hidden = true
 	statusCmd.Deprecated = "use 'harness get agents' instead"
diff --git a/test/test-flow.sh b/test/test-flow.sh
index 0900796..27a3c53 100755
--- a/test/test-flow.sh
+++ b/test/test-flow.sh
@@ -182,11 +182,11 @@ test_errors() {
   step_fail "nonexistent profile" harness apply --gateway local --agent nonexistent
 
   if $REUSE_GATEWAY; then
-    step "teardown (first)" harness teardown --sandboxes --providers
-    step "teardown (second)" harness teardown --sandboxes --providers
+    step "teardown (first)" harness delete --sandboxes --providers
+    step "teardown (second)" harness delete --sandboxes --providers
   else
-    step "teardown (first)" harness teardown --sandboxes --providers --k8s
-    step "teardown (second)" harness teardown --sandboxes --providers --k8s
+    step "teardown (first)" harness delete --sandboxes --providers --k8s
+    step "teardown (second)" harness delete --sandboxes --providers --k8s
   fi
 
   echo ""
@@ -199,7 +199,7 @@ test_local() {
   $NO_PROVIDERS && mode="$mode, no-providers"
   echo "=== test-flow: local ($mode) ==="
 
-  step "teardown" harness teardown --sandboxes --providers
+  step "teardown" harness delete --sandboxes --providers
   step "deploy" harness deploy local
   step "gateway reachable" "$CLI" inference get
 
@@ -217,12 +217,12 @@ test_local() {
   if ! $NO_PROVIDERS; then
     echo ""
     echo "=== test: missing providers ==="
-    step "teardown providers" harness teardown --providers
+    step "teardown providers" harness delete --providers
     step "up with no providers" harness apply --gateway local --name test-noprov
-    step "cleanup" harness teardown --sandboxes
+    step "cleanup" harness delete --sandboxes
   fi
 
-  step "teardown (clean)" harness teardown --sandboxes --providers
+  step "teardown (clean)" harness delete --sandboxes --providers
 }
 
 # ── GWS lifecycle test ───────────────────────────────────────────────
@@ -259,7 +259,7 @@ test_kind() {
     return
   fi
 
-  step "teardown" harness teardown --sandboxes --providers --k8s
+  step "teardown" harness delete --sandboxes --providers --k8s
   step "deploy" harness deploy kind
   step "gateway reachable" "$CLI" inference get
 
@@ -273,7 +273,7 @@ test_kind() {
 
   step "sandbox delete" "$CLI" sandbox delete "$sandbox_name"
 
-  step "teardown (clean)" harness teardown --sandboxes --providers --k8s
+  step "teardown (clean)" harness delete --sandboxes --providers --k8s
   echo ""
 }
 
@@ -288,14 +288,14 @@ test_ocp() {
     OCP_GW=$("$CLI" gateway list 2>/dev/null | strip_ansi | awk '/-remote-/ {gsub(/^\*/, ""); print $1; exit}')
     [[ -n "$OCP_GW" ]] && "$CLI" gateway select "$OCP_GW" 2>/dev/null || true
 
-    step "teardown sandboxes+providers" harness teardown --sandboxes --providers
+    step "teardown sandboxes+providers" harness delete --sandboxes --providers
     if ! "$CLI" inference get &>/dev/null; then
       step "deploy" harness deploy ocp
     else
       step "gateway reachable" "$CLI" inference get
     fi
   else
-    step "teardown" harness teardown --sandboxes --providers --k8s
+    step "teardown" harness delete --sandboxes --providers --k8s
     step "deploy" harness deploy ocp
   fi
 
@@ -312,9 +312,9 @@ test_ocp() {
   step "sandbox delete" "$CLI" sandbox delete "$sandbox_name"
 
   if $REUSE_GATEWAY; then
-    step "teardown (sandboxes+providers)" harness teardown --sandboxes --providers
+    step "teardown (sandboxes+providers)" harness delete --sandboxes --providers
   else
-    step "teardown (clean)" harness teardown --sandboxes --providers --k8s
+    step "teardown (clean)" harness delete --sandboxes --providers --k8s
   fi
 }