diff --git a/open-sse/services/tokenRefresh.ts b/open-sse/services/tokenRefresh.ts
index ab5cda91009..1f4f1f1ae6b 100755
--- a/open-sse/services/tokenRefresh.ts
+++ b/open-sse/services/tokenRefresh.ts
@@ -1,3 +1,4 @@
+import { CLAUDE_CONFIG } from "@/lib/oauth/constants/oauth";
 import { PROVIDERS, OAUTH_ENDPOINTS } from "../config/constants.ts";
 import { pbkdf2Sync } from "node:crypto";
 import { runWithProxyContext } from "../utils/proxyFetch.ts";
@@ -226,6 +227,7 @@ export async function refreshClaudeOAuthToken(refreshToken, log, proxyConfig = n
       grant_type: "refresh_token",
       refresh_token: refreshToken,
       client_id: PROVIDERS.claude.clientId,
+      scope: CLAUDE_CONFIG.scopes.join(" "),
     };
 
     const makeRequest = (contentType, extraHeaders = {}) =>
diff --git a/tests/unit/oauth-providers-config.test.mjs b/tests/unit/oauth-providers-config.test.mjs
index b4a6d162aea..b9f38c7b4d4 100644
--- a/tests/unit/oauth-providers-config.test.mjs
+++ b/tests/unit/oauth-providers-config.test.mjs
@@ -301,6 +301,7 @@ test("device and import-token providers expose the flow-specific fields expected
 });
 
 test("provider-specific config shapes remain valid for special cases", () => {
+  assert.equal(CLAUDE_CONFIG.redirectUri, "https://platform.claude.com/oauth/code/callback");
   assert.ok(Array.isArray(CLAUDE_CONFIG.scopes) && CLAUDE_CONFIG.scopes.length > 0);
   assert.ok(Array.isArray(GEMINI_CONFIG.scopes) && GEMINI_CONFIG.scopes.length > 0);
   assert.ok(Array.isArray(ANTIGRAVITY_CONFIG.scopes) && ANTIGRAVITY_CONFIG.scopes.length > 0);
diff --git a/tests/unit/token-refresh-service.test.mjs b/tests/unit/token-refresh-service.test.mjs
index 07d3c0560a3..afeb8e30407 100644
--- a/tests/unit/token-refresh-service.test.mjs
+++ b/tests/unit/token-refresh-service.test.mjs
@@ -310,6 +310,8 @@ test("refreshClaudeOAuthToken first matches Claude auth exchange token contract"
     grant_type: "refresh_token",
     refresh_token: "claude-refresh",
     client_id: PROVIDERS.claude.clientId,
+    scope:
+      "org:create_api_key user:profile user:inference user:sessions:claude_code user:mcp_servers",
   });
 });
 
@@ -352,6 +354,7 @@ test("refreshClaudeOAuthToken retries with user-agent JSON then form when format
   assert.equal(calls[2].options.headers["Content-Type"], "application/x-www-form-urlencoded");
   assert.match(calls[2].options.body, /grant_type=refresh_token/);
   assert.match(calls[2].options.body, /client_id=/);
+  assert.match(calls[2].options.body, /scope=org%3Acreate_api_key/);
 });
 
 test("refreshGoogleToken exchanges refresh tokens against the shared google endpoint", async () => {