diff --git a/docs-master/Config.md b/docs-master/Config.md
index 38887b3e2..92256be18 100644
--- a/docs-master/Config.md
+++ b/docs-master/Config.md
@@ -481,6 +481,13 @@ git:
   # to 40 to disable truncation.
   truncateCopiedCommitHashesTo: 12
 
+  # Config for external commit message generation (e.g. AI)
+  commitMessageGenerator:
+    # Shell command to generate a commit message from staged changes.
+    # The command should call `git diff --cached` itself and output a
+    # commit message (first line = title, rest after blank line = body).
+    command: ""
+
 # Periodic update checks
 update:
   # One of: 'prompt' (default) | 'background' | 'never'
diff --git a/pkg/gui/controllers/helpers/commits_helper.go b/pkg/gui/controllers/helpers/commits_helper.go
index f6ae4f0f4..19c86f5be 100644
--- a/pkg/gui/controllers/helpers/commits_helper.go
+++ b/pkg/gui/controllers/helpers/commits_helper.go
@@ -253,7 +253,7 @@ func (self *CommitsHelper) addCoAuthor(suggestionFunc func(string) []*types.Sugg
 
 func (self *CommitsHelper) generateCommitMessageAsync(command string) {
 	origSubtitle := self.c.Views().CommitDescription.Subtitle
-	self.c.Views().CommitDescription.Subtitle = "Generating commit message..."
+	self.c.Views().CommitDescription.Subtitle = self.c.Tr.GeneratingCommitMessage
 
 	// Snapshot current content so we can detect user edits
 	origSummary := self.getCommitSummary()
diff --git a/pkg/i18n/english.go b/pkg/i18n/english.go
index ce87693a2..3fd07c189 100644
--- a/pkg/i18n/english.go
+++ b/pkg/i18n/english.go
@@ -331,6 +331,7 @@ type TranslationSet struct {
 	CommitSummaryTitle                    string
 	CommitDescriptionTitle                string
 	CommitDescriptionSubTitle             string
+	GeneratingCommitMessage               string
 	CommitDescriptionFooter               string
 	CommitDescriptionFooterTwoBindings    string
 	CommitHooksDisabledSubTitle           string
@@ -1434,6 +1435,7 @@ func EnglishTranslationSet() *TranslationSet {
 		CommitSummaryTitle:                   "Commit summary",
 		CommitDescriptionTitle:               "Commit description",
 		CommitDescriptionSubTitle:            "Press {{.togglePanelKeyBinding}} to toggle focus, {{.commitMenuKeybinding}} to open menu",
+		GeneratingCommitMessage:              "Generating commit message...",
 		CommitDescriptionFooter:              "Press {{.confirmInEditorKeybinding}} to submit",
 		CommitDescriptionFooterTwoBindings:   "Press {{.confirmInEditorKeybinding1}} or {{.confirmInEditorKeybinding2}} to submit",
 		CommitHooksDisabledSubTitle:          "(hooks disabled)",
diff --git a/schema-master/config.json b/schema-master/config.json
index 0e880b066..ea406f941 100644
--- a/schema-master/config.json
+++ b/schema-master/config.json
@@ -37,6 +37,17 @@
       "type": "object",
       "description": "Config relating to the commit length indicator"
     },
+    "CommitMessageGeneratorConfig": {
+      "properties": {
+        "command": {
+          "type": "string",
+          "description": "Shell command to generate a commit message from staged changes.\nThe command should call `git diff --cached` itself and output a\ncommit message (first line = title, rest after blank line = body)."
+        }
+      },
+      "additionalProperties": false,
+      "type": "object",
+      "description": "Config for external commit message generation (e.g. AI)"
+    },
     "CommitPrefixConfig": {
       "properties": {
         "pattern": {
@@ -446,6 +457,10 @@
           "type": "integer",
           "description": "When copying commit hashes to the clipboard, truncate them to this length. Set to 40 to disable truncation.",
           "default": 12
+        },
+        "commitMessageGenerator": {
+          "$ref": "#/$defs/CommitMessageGeneratorConfig",
+          "description": "Config for external commit message generation (e.g. AI)"
         }
       },
       "additionalProperties": false,