diff --git a/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py b/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py index 4b6020f582b..d6fe3f2b9cf 100644 --- a/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py +++ b/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py @@ -447,7 +447,7 @@ async def oauth_authorization_server_mcp( "authorization_endpoint": authorization_endpoint, "token_endpoint": token_endpoint, "response_types_supported": ["code"], - "grant_types_supported": ["authorization_code"], + "grant_types_supported": ["authorization_code", "refresh_token"], "code_challenge_methods_supported": ["S256"], "token_endpoint_auth_methods_supported": ["client_secret_post"], # Claude expects a registration endpoint, even if we just fake it diff --git a/tests/test_litellm/proxy/_experimental/mcp_server/test_discoverable_endpoints.py b/tests/test_litellm/proxy/_experimental/mcp_server/test_discoverable_endpoints.py index 6df9abd3fee..30f3d55f028 100644 --- a/tests/test_litellm/proxy/_experimental/mcp_server/test_discoverable_endpoints.py +++ b/tests/test_litellm/proxy/_experimental/mcp_server/test_discoverable_endpoints.py @@ -354,7 +354,7 @@ async def test_register_client_remote_registration_success(): request_payload = { "client_name": "Litellm Proxy", - "grant_types": ["authorization_code"], + "grant_types": ["authorization_code", "refresh_token"], "response_types": ["code"], "token_endpoint_auth_method": "client_secret_post", } @@ -603,6 +603,7 @@ async def test_oauth_authorization_server_respects_x_forwarded_proto(): assert response["authorization_endpoint"].startswith("https://litellm.example.com/") assert response["token_endpoint"].startswith("https://litellm.example.com/") assert response["registration_endpoint"].startswith("https://litellm.example.com/") + assert response["grant_types_supported"] == ["authorization_code", "refresh_token"] @pytest.mark.asyncio diff --git a/ui/litellm-dashboard/src/hooks/useMcpOAuthFlow.tsx b/ui/litellm-dashboard/src/hooks/useMcpOAuthFlow.tsx index 9600c962564..a62d8baa75b 100644 --- a/ui/litellm-dashboard/src/hooks/useMcpOAuthFlow.tsx +++ b/ui/litellm-dashboard/src/hooks/useMcpOAuthFlow.tsx @@ -136,7 +136,7 @@ export const useMcpOAuthFlow = ({ if (!hasPreconfiguredCredentials) { const registration = await registerMcpOAuthClient(accessToken, serverId, { client_name: temporaryPayload.alias || temporaryPayload.server_name || serverId, - grant_types: ["authorization_code"], + grant_types: ["authorization_code", "refresh_token"], response_types: ["code"], token_endpoint_auth_method: temporaryPayload.credentials && temporaryPayload.credentials.client_secret ? "client_secret_post" : "none",