diff --git a/packages/app/src/pages/session/use-session-commands.tsx b/packages/app/src/pages/session/use-session-commands.tsx
index 461351878b6..c3b2d698dcb 100644
--- a/packages/app/src/pages/session/use-session-commands.tsx
+++ b/packages/app/src/pages/session/use-session-commands.tsx
@@ -17,9 +17,11 @@ import { DialogSelectMcp } from "@/components/dialog-select-mcp"
 import { DialogFork } from "@/components/dialog-fork"
 import { showToast } from "@opencode-ai/ui/toast"
 import { findLast } from "@opencode-ai/util/array"
+import { base64Encode } from "@opencode-ai/util/encode"
 import { extractPromptFromParts } from "@/utils/prompt"
 import { UserMessage } from "@opencode-ai/sdk/v2"
 import { canAddSelectionContext } from "@/pages/session/session-command-helpers"
+import { DialogSelectDirectory } from "@/components/dialog-select-directory"
 
 export type SessionCommandContext = {
   navigateMessageByOffset: (offset: number) => void
@@ -87,6 +89,10 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
   const navigateMessageByOffset = actions.navigateMessageByOffset
   const setActiveMessage = actions.setActiveMessage
   const focusInput = actions.focusInput
+  const openDir = (dir: string) => {
+    layout.projects.open(dir)
+    navigate(`/${base64Encode(dir)}/session`)
+  }
 
   const sessionCommand = withCategory(language.t("command.category.session"))
   const fileCommand = withCategory(language.t("command.category.file"))
@@ -106,6 +112,23 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
       slash: "new",
       onSelect: () => navigate(`/${params.dir}/session`),
     }),
+    sessionCommand({
+      id: "project.cd",
+      title: language.t("command.project.open"),
+      description: language.t("dialog.directory.search.placeholder"),
+      slash: "cd",
+      onSelect: () => {
+        dialog.show(() => (
+          <DialogSelectDirectory
+            title="/cd"
+            onSelect={(result) => {
+              if (!result || Array.isArray(result)) return
+              openDir(result)
+            }}
+          />
+        ))
+      },
+    }),
   ])
 
   const fileCommands = createMemo(() => [