diff --git a/shortcuts/application/shortcuts.go b/shortcuts/application/shortcuts.go
index a1f83ae49..549455d0a 100644
--- a/shortcuts/application/shortcuts.go
+++ b/shortcuts/application/shortcuts.go
@@ -11,5 +11,6 @@ import "github.com/larksuite/cli/shortcuts/common"
 func Shortcuts() []common.Shortcut {
 	return []common.Shortcut{
 		SlashCommandList,
+		SlashCommandCreate,
 	}
 }
diff --git a/shortcuts/application/slash_command_create.go b/shortcuts/application/slash_command_create.go
new file mode 100644
index 000000000..19540cd06
--- /dev/null
+++ b/shortcuts/application/slash_command_create.go
@@ -0,0 +1,109 @@
+// Copyright (c) 2026 Lark Technologies Pte. Ltd.
+// SPDX-License-Identifier: MIT
+
+package application
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"strings"
+
+	"github.com/larksuite/cli/errs"
+	"github.com/larksuite/cli/internal/validate"
+	"github.com/larksuite/cli/shortcuts/common"
+)
+
+// SlashCommandCreate registers a new slash command on the current bound app.
+var SlashCommandCreate = common.Shortcut{
+	Service:     "application",
+	Command:     "+slash-command-create",
+	Description: "Register a slash command (/ command) on the current bound Open Platform app; --force converts a name collision into an update (idempotent re-run)",
+	Risk:        "write",
+	BotScopes:   []string{"application:app_slash_command:write"},
+	ConditionalBotScopes: []string{
+		"application:app_slash_command:read", // only the --force collision path lists to resolve the id
+	},
+	AuthTypes: []string{"bot", "user"},
+	Flags: []common.Flag{
+		{Name: "command", Desc: "command name WITHOUT the leading slash (server enforces uniqueness per app; max 100 commands)", Required: true},
+		{Name: "description", Desc: "default description shown in the client command panel (description.default_value)", Required: true},
+		{Name: "description-i18n", Type: "string_array", Desc: "localized description, repeatable, format <lang>=<text> (e.g. zh_cn=发送问候); language codes are passed through to the server"},
+		{Name: "icon-key", Desc: "icon key (server default: skill_outlined; invalid keys are rejected server-side with code 40000031)"},
+		{Name: "force", Type: "bool", Desc: "on name collision, resolve the existing command by name and PATCH it instead (like `gh label create --force`)"},
+	},
+	Tips: []string{
+		`lark-cli application +slash-command-create --command greet --description "say hi" --description-i18n zh_cn=问候 --as bot`,
+		"changes take ~5 minutes to appear in clients (client-side cache); the server updates immediately",
+		"user identity needs explicit authorization first: lark-cli auth login --scope application:app_slash_command:write",
+	},
+	Validate: func(ctx context.Context, runtime *common.RuntimeContext) error {
+		if err := validateCommandName(runtime.Str("command"), "--command"); err != nil {
+			return err
+		}
+		if len(strings.TrimSpace(runtime.Str("description"))) == 0 {
+			return errs.NewValidationError(errs.SubtypeInvalidArgument,
+				"--description must not be blank").WithParam("--description")
+		}
+		if _, err := parseDescriptionI18n(runtime.StrArray("description-i18n")); err != nil {
+			return err
+		}
+		return nil
+	},
+	DryRun: func(ctx context.Context, runtime *common.RuntimeContext) *common.DryRunAPI {
+		i18n, err := parseDescriptionI18n(runtime.StrArray("description-i18n"))
+		if err != nil {
+			return common.NewDryRunAPI().Set("error", err.Error())
+		}
+		body := buildSlashCommandBody(runtime.Str("command"), runtime.Str("description"), i18n, runtime.Str("icon-key"))
+		d := common.NewDryRunAPI().
+			Desc("Create a slash command on the current bound app").
+			POST(slashCommandBasePath).
+			Body(body)
+		if runtime.Bool("force") {
+			d.Desc("--force: on 'command already exists' (code 40000000), GET list to resolve command_id then PATCH the same body")
+		}
+		return d
+	},
+	Execute: func(ctx context.Context, runtime *common.RuntimeContext) error {
+		name := runtime.Str("command")
+		i18n, err := parseDescriptionI18n(runtime.StrArray("description-i18n"))
+		if err != nil {
+			return err
+		}
+		body := buildSlashCommandBody(name, runtime.Str("description"), i18n, runtime.Str("icon-key"))
+
+		data, err := runtime.CallAPITyped("POST", slashCommandBasePath, nil, body)
+		action := "created"
+		if err != nil {
+			if !isCommandExists(err) {
+				return err
+			}
+			if !runtime.Bool("force") {
+				p, _ := errs.ProblemOf(err)
+				return errs.NewAPIError(p.Subtype, "slash command %q already exists", name).
+					WithHint("rerun with --force to update it, or use `lark-cli application +slash-command-update --command %q`", name)
+			}
+			// --force: name collision -> resolve id -> PATCH (idempotent re-run).
+			id, _, rerr := resolveCommandID(runtime, name)
+			if rerr != nil {
+				return rerr
+			}
+			patchBody := buildSlashCommandBody("", runtime.Str("description"), i18n, runtime.Str("icon-key"))
+			data, err = runtime.CallAPITyped("PATCH", slashCommandBasePath+"/"+validate.EncodePathSegment(id), nil, patchBody)
+			if err != nil {
+				return err
+			}
+			action = "updated"
+		}
+		if data == nil {
+			data = map[string]interface{}{}
+		}
+		data["action"] = action
+		fmt.Fprintln(runtime.IO().ErrOut, clientCacheHint)
+		runtime.OutFormat(data, nil, func(w io.Writer) {
+			fmt.Fprintf(w, "%s /%v (command_id: %v)\n", action, data["command"], data["command_id"])
+		})
+		return nil
+	},
+}
diff --git a/shortcuts/application/slash_command_create_test.go b/shortcuts/application/slash_command_create_test.go
new file mode 100644
index 000000000..62ecec0c5
--- /dev/null
+++ b/shortcuts/application/slash_command_create_test.go
@@ -0,0 +1,143 @@
+// Copyright (c) 2026 Lark Technologies Pte. Ltd.
+// SPDX-License-Identifier: MIT
+
+package application
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"github.com/larksuite/cli/errs"
+	"github.com/larksuite/cli/internal/cmdutil"
+	"github.com/larksuite/cli/internal/httpmock"
+)
+
+func createOKStub() *httpmock.Stub {
+	return &httpmock.Stub{
+		Method: "POST",
+		URL:    "/open-apis/application/v7/app_slash_commands",
+		Body: map[string]interface{}{
+			"code": 0, "msg": "success",
+			"data": sampleItem("greet", "id-new"),
+		},
+	}
+}
+
+func createConflictStub() *httpmock.Stub {
+	return &httpmock.Stub{
+		Method: "POST",
+		URL:    "/open-apis/application/v7/app_slash_commands",
+		Body: map[string]interface{}{
+			"code": 40000000, "msg": "Invalid Param 'command'. command already exists.",
+		},
+	}
+}
+
+func patchOKStub(id string) *httpmock.Stub {
+	return &httpmock.Stub{
+		Method: "PATCH",
+		URL:    "/open-apis/application/v7/app_slash_commands/" + id,
+		Body: map[string]interface{}{
+			"code": 0, "msg": "success",
+			"data": sampleItem("greet", id),
+		},
+	}
+}
+
+func TestSlashCommandCreate_OK(t *testing.T) {
+	f, stdout, _, reg := cmdutil.TestFactory(t, appTestConfig())
+	reg.Register(createOKStub())
+
+	err := mountAndRun(t, SlashCommandCreate, []string{"+slash-command-create",
+		"--command", "greet", "--description", "hi",
+		"--description-i18n", "zh_cn=你好", "--description-i18n", "en_us=Hello",
+		"--icon-key", "skill_outlined", "--format", "json", "--as", "bot"}, f, stdout)
+	if err != nil {
+		t.Fatalf("execute: %v", err)
+	}
+	var got map[string]interface{}
+	if err := json.Unmarshal(stdout.Bytes(), &got); err != nil {
+		t.Fatalf("json: %v\n%s", err, stdout.String())
+	}
+	data := got["data"].(map[string]interface{})
+	if data["action"] != "created" {
+		t.Fatalf("action = %v", data["action"])
+	}
+	if data["command_id"] != "id-new" {
+		t.Fatalf("command_id = %v", data["command_id"])
+	}
+}
+
+func TestSlashCommandCreate_ValidateRejects(t *testing.T) {
+	f, stdout, _, _ := cmdutil.TestFactory(t, appTestConfig())
+	cases := [][]string{
+		{"+slash-command-create", "--command", "/greet", "--description", "hi", "--as", "bot"},
+		{"+slash-command-create", "--command", "greet", "--description", "hi", "--description-i18n", "bad", "--as", "bot"},
+		{"+slash-command-create", "--command", "greet", "--description", "hi", "--description-i18n", "zh_cn=a", "--description-i18n", "zh_cn=b", "--as", "bot"},
+		{"+slash-command-create", "--command", "greet", "--description", "  ", "--as", "bot"},
+	}
+	for i, args := range cases {
+		err := mountAndRun(t, SlashCommandCreate, args, f, stdout)
+		if err == nil {
+			t.Errorf("case %d: expected validation error", i)
+			continue
+		}
+		p, ok := errs.ProblemOf(err)
+		if !ok || p.Category != errs.CategoryValidation {
+			t.Errorf("case %d: expected validation problem, got %v", i, err)
+		}
+	}
+}
+
+func TestSlashCommandCreate_ConflictNoForce(t *testing.T) {
+	f, stdout, _, reg := cmdutil.TestFactory(t, appTestConfig())
+	reg.Register(createConflictStub())
+
+	err := mountAndRun(t, SlashCommandCreate, []string{"+slash-command-create",
+		"--command", "greet", "--description", "hi", "--as", "bot"}, f, stdout)
+	if err == nil {
+		t.Fatal("expected conflict error")
+	}
+	p, _ := errs.ProblemOf(err)
+	if !strings.Contains(p.Hint, "--force") || !strings.Contains(p.Hint, "+slash-command-update") {
+		t.Fatalf("hint must offer --force and update, got %q", p.Hint)
+	}
+}
+
+func TestSlashCommandCreate_ForceConvertsToUpdate(t *testing.T) {
+	f, stdout, _, reg := cmdutil.TestFactory(t, appTestConfig())
+	reg.Register(createConflictStub())
+	reg.Register(listStub([]interface{}{sampleItem("greet", "id-exist")}))
+	reg.Register(patchOKStub("id-exist"))
+
+	err := mountAndRun(t, SlashCommandCreate, []string{"+slash-command-create",
+		"--command", "greet", "--description", "hi2", "--force", "--format", "json", "--as", "bot"}, f, stdout)
+	if err != nil {
+		t.Fatalf("execute: %v", err)
+	}
+	var got map[string]interface{}
+	if err := json.Unmarshal(stdout.Bytes(), &got); err != nil {
+		t.Fatalf("json: %v", err)
+	}
+	data := got["data"].(map[string]interface{})
+	if data["action"] != "updated" {
+		t.Fatalf("action = %v (force must convert to update)", data["action"])
+	}
+}
+
+func TestSlashCommandCreate_DryRun(t *testing.T) {
+	f, stdout, _, _ := cmdutil.TestFactory(t, appTestConfig())
+	if err := mountAndRun(t, SlashCommandCreate, []string{"+slash-command-create",
+		"--command", "greet", "--description", "hi", "--icon-key", "skill_outlined", "--dry-run", "--as", "bot"}, f, stdout); err != nil {
+		t.Fatalf("execute: %v", err)
+	}
+	out := stdout.String()
+	if !strings.Contains(out, "POST") || !strings.Contains(out, slashCommandBasePath) {
+		t.Fatalf("dry-run must show POST path: %s", out)
+	}
+	// icon 顶层：dry-run body 里 icon 不嵌套在 description 内
+	if !strings.Contains(out, "icon_key") {
+		t.Fatalf("dry-run must include body: %s", out)
+	}
+}