diff --git a/packages/tui/internal/commands/command.go b/packages/tui/internal/commands/command.go
index bd5d61b958a4..c7b804721771 100644
--- a/packages/tui/internal/commands/command.go
+++ b/packages/tui/internal/commands/command.go
@@ -364,6 +364,7 @@ func LoadFromConfig(config *opencode.Config) CommandRegistry {
 			Name:        MessagesCopyCommand,
 			Description: "copy message",
 			Keybindings: parseBindings("<leader>y"),
+			Trigger:     []string{"copy"},
 		},
 		{
 			Name:        MessagesUndoCommand,
diff --git a/packages/web/src/content/docs/docs/tui.mdx b/packages/web/src/content/docs/docs/tui.mdx
index e6ad10162422..3b493a227dfe 100644
--- a/packages/web/src/content/docs/docs/tui.mdx
+++ b/packages/web/src/content/docs/docs/tui.mdx
@@ -61,6 +61,18 @@ Compact the current session. _Alias_: `/summarize`
 
 ---
 
+### copy
+
+Copy the last assistant message to clipboard.
+
+```bash frame="none"
+/copy
+```
+
+**Keybind:** `ctrl+x y`
+
+---
+
 ### details
 
 Toggle tool execution details.