diff --git a/desktop/src-tauri/src/managed_agents/discovery.rs b/desktop/src-tauri/src/managed_agents/discovery.rs
index c8a85be34a..a01376b17d 100644
--- a/desktop/src-tauri/src/managed_agents/discovery.rs
+++ b/desktop/src-tauri/src/managed_agents/discovery.rs
@@ -1617,6 +1617,17 @@ const PRESET_HARNESSES: &[PresetHarness] = &[
             Gateway's own environment separately.",
         underlying_cli: None,
     },
+    PresetHarness {
+        id: "devin",
+        label: "Devin",
+        command: "devin",
+        args: &["acp"],
+        install_instructions_url: "https://docs.devin.ai/cli/index",
+        install_hint: "Buzz talks to Devin through the Devin CLI's ACP mode (devin acp). \
+            Install the Devin CLI from https://docs.devin.ai/cli/index and run \
+            `devin auth login` to authenticate.",
+        underlying_cli: Some("devin"),
+    },
 ];
 
 /// Return the static preset harness definitions as `HarnessDefinition` values.
diff --git a/desktop/src/features/settings/ui/harnessCatalogCopy.ts b/desktop/src/features/settings/ui/harnessCatalogCopy.ts
index 79c55f0148..191931531d 100644
--- a/desktop/src/features/settings/ui/harnessCatalogCopy.ts
+++ b/desktop/src/features/settings/ui/harnessCatalogCopy.ts
@@ -43,6 +43,8 @@ const HARNESS_DESCRIPTIONS: Record<string, string> = {
   // Sources: https://github.com/openclaw/openclaw,
   // https://docs.openclaw.ai/start/getting-started
   openclaw: "A personal AI assistant that runs on your own devices.",
+  // Source: https://docs.devin.ai/cli/index
+  devin: "Cognition's autonomous AI software engineer, connected via the Devin CLI's ACP mode.",
 };
 
 /**