diff --git a/detection/constants.go b/detection/constants.go
index e4bde75..225b6a7 100644
--- a/detection/constants.go
+++ b/detection/constants.go
@@ -38,6 +38,12 @@ var SupportedToolsInMentions = []string{
 	"Claude",
 	"GitHub Copilot",
 	"Copilot",
+	"Cursor Grok 4.6",
+	"Cursor Grok 4.5",
+	"Cursor Grok",
+	"Composer 2.5",
+	"Cursor Fast",
+	"Cursor Small",
 	"Cursor",
 	"Aider",
 	"OpenAI Codex",
diff --git a/detection/toolmention/toolmention_test.go b/detection/toolmention/toolmention_test.go
index 8934f1b..6eb8195 100644
--- a/detection/toolmention/toolmention_test.go
+++ b/detection/toolmention/toolmention_test.go
@@ -51,6 +51,13 @@ func TestDetect(t *testing.T) {
 			wantScore:      20,
 			wantConfidence: detection.ConfidenceLow,
 		},
+		{
+			name:           "cursor grok model mentioned",
+			input:          detection.Input{Text: "Assisted by Cursor Grok 4.6"},
+			wantTools:      []string{"Cursor Grok 4.6"},
+			wantScore:      20,
+			wantConfidence: detection.ConfidenceLow,
+		},
 		{
 			name:           "case insensitive",
 			input:          detection.Input{Text: "I used CLAUDE to write this"},
diff --git a/detection/trailer/trailer.go b/detection/trailer/trailer.go
index 05adba4..945ac38 100644
--- a/detection/trailer/trailer.go
+++ b/detection/trailer/trailer.go
@@ -147,6 +147,15 @@ func extractCoauthorModel(tool, namePart string) string {
 			return strings.TrimSpace(namePart[len("Claude "):])
 		}
 		return namePart
+	case "Cursor":
+		if strings.EqualFold(namePart, "Cursor") {
+			return ""
+		}
+		namePartLower := strings.ToLower(namePart)
+		if strings.HasPrefix(namePartLower, "cursor ") {
+			return strings.TrimSpace(namePart[len("Cursor "):])
+		}
+		return namePart
 	}
 
 	return ""
diff --git a/detection/trailer/trailer_test.go b/detection/trailer/trailer_test.go
index c8bbcda..37d9188 100644
--- a/detection/trailer/trailer_test.go
+++ b/detection/trailer/trailer_test.go
@@ -65,6 +65,14 @@ func TestDetect(t *testing.T) {
 			wantScore:      []float64{85},
 			wantConfidence: []detection.Confidence{detection.ConfidenceHigh},
 		},
+		{
+			name:           "coauthor: Cursor trailer with Grok model prefix",
+			message:        "refactor: extract method\n\nCo-Authored-By: Cursor Grok 4.6 <cursoragent@cursor.com>",
+			wantTools:      []string{"Cursor"},
+			wantModels:     []string{"Grok 4.6"},
+			wantScore:      []float64{85},
+			wantConfidence: []detection.Confidence{detection.ConfidenceHigh},
+		},
 		{
 			name:           "coauthor: Copilot trailer with parenthesized model",
 			message:        "feat: add endpoint\n\nCo-Authored-By: Copilot (gpt-4.1) <copilot@github.com>",