From 74f2df9c799b3750297808d33ea8e6a7e787eb43 Mon Sep 17 00:00:00 2001
From: Mantra <87142457+mantrakp04@users.noreply.github.com>
Date: Tue, 14 Apr 2026 21:36:31 -0700
Subject: [PATCH] fix(ai): Accept header for docs-tools MCP endpoint (#1334)

---
 apps/backend/src/lib/ai/tools/docs.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/apps/backend/src/lib/ai/tools/docs.ts b/apps/backend/src/lib/ai/tools/docs.ts
index 91f45ea10..f13fd5a97 100644
--- a/apps/backend/src/lib/ai/tools/docs.ts
+++ b/apps/backend/src/lib/ai/tools/docs.ts
@@ -25,7 +25,11 @@ async function postDocsToolAction(action: Record<string, unknown>): Promise<stri
 
   const res = await fetch(`${base}/api/internal/docs-tools`, {
     method: "POST",
-    headers: { "Content-Type": "application/json" },
+    headers: {
+      "Content-Type": "application/json",
+      // MCP-style JSON-RPC endpoint requires clients to advertise both JSON and SSE.
+      Accept: "application/json, text/event-stream",
+    },
     body: JSON.stringify(action),
   });