diff --git a/src/application/SupportedClients.ts b/src/application/SupportedClients.ts
index 55a651a52..7c3811a23 100644
--- a/src/application/SupportedClients.ts
+++ b/src/application/SupportedClients.ts
@@ -539,7 +539,7 @@ export const SUPPORTED_CLIENT_DEFINITIONS = [
     configPath: ({ home, platform, env }: ClientPathContext) =>
       join(devinDirectory({ home, platform, env }), "mcp_config.json"),
     markerPath: devinDirectory,
-    format: "json",
+    format: "devin",
   },
   {
     name: "opencode",