From 1f8bb65e275e92b2b887b86a7f5ebcf74931c48f Mon Sep 17 00:00:00 2001
From: Tin Chi Lo <tin@berri.ai>
Date: Mon, 15 Jun 2026 16:53:39 -0700
Subject: [PATCH] test(mcp): drop discovery default regression tests

---
 .../mcp_server/test_mcp_discovery.py          | 30 -------------------
 .../mcp_tools/create_mcp_server.test.tsx      | 24 ---------------
 2 files changed, 54 deletions(-)

diff --git a/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_discovery.py b/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_discovery.py
index 3d3f9cfd781..9a741a3f861 100644
--- a/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_discovery.py
+++ b/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_discovery.py
@@ -92,38 +92,8 @@ class TestMCPRegistryFile:
         linear = next(s for s in data["servers"] if s["name"] == "linear")
         assert linear["transport"] == "http"
         assert linear["url"] == "https://mcp.linear.app/mcp"
-        assert linear["auth_type"] == "oauth2"
         assert "/sse" not in linear["url"]
 
-    def test_slack_defaults_to_streamable_http_oauth(self, registry_path):
-        """Slack's MCP server should default to streamable HTTP with the hosted /mcp endpoint and OAuth."""
-        with open(registry_path, "r") as f:
-            data = json.load(f)
-        slack = next(s for s in data["servers"] if s["name"] == "slack")
-        assert slack["transport"] == "http"
-        assert slack["url"] == "https://mcp.slack.com/mcp"
-        assert slack["auth_type"] == "oauth2"
-        assert "command" not in slack
-        assert "args" not in slack
-
-    def test_notion_defaults_to_streamable_http_oauth(self, registry_path):
-        """Notion's MCP server should default to streamable HTTP at /mcp with OAuth, not SSE at /sse."""
-        with open(registry_path, "r") as f:
-            data = json.load(f)
-        notion = next(s for s in data["servers"] if s["name"] == "notion")
-        assert notion["transport"] == "http"
-        assert notion["url"] == "https://mcp.notion.com/mcp"
-        assert notion["auth_type"] == "oauth2"
-        assert "/sse" not in notion["url"]
-
-    def test_atlassian_uses_authv2_endpoint(self, registry_path):
-        """Atlassian's MCP server should default to the streamable HTTP authv2 endpoint."""
-        with open(registry_path, "r") as f:
-            data = json.load(f)
-        atlassian = next(s for s in data["servers"] if s["name"] == "atlassian")
-        assert atlassian["transport"] == "http"
-        assert atlassian["url"] == "https://mcp.atlassian.com/v1/mcp/authv2"
-
     def test_well_known_servers_present(self, registry_path):
         """Ensure key well-known MCPs are in the registry."""
         with open(registry_path, "r") as f:
diff --git a/ui/litellm-dashboard/src/components/mcp_tools/create_mcp_server.test.tsx b/ui/litellm-dashboard/src/components/mcp_tools/create_mcp_server.test.tsx
index 72f9b1a6b2a..e70548d6a96 100644
--- a/ui/litellm-dashboard/src/components/mcp_tools/create_mcp_server.test.tsx
+++ b/ui/litellm-dashboard/src/components/mcp_tools/create_mcp_server.test.tsx
@@ -754,30 +754,6 @@ describe("CreateMCPServer", () => {
         expect(nameInput).toHaveValue("github_mcp");
       });
     });
-
-    it("prefills streamable HTTP, URL, and OAuth from a discovery preset like Slack", async () => {
-      const prefillData = {
-        name: "slack",
-        title: "Slack",
-        description: "Channel management, messaging, and Slack workspace integration",
-        category: "Communication",
-        transport: "http",
-        url: "https://mcp.slack.com/mcp",
-        auth_type: "oauth2",
-      };
-
-      render(<CreateMCPServer {...defaultProps} prefillData={prefillData} />);
-
-      await waitFor(() => {
-        const urlInput = screen.getByPlaceholderText("https://your-mcp-server.com");
-        expect(urlInput).toHaveValue("https://mcp.slack.com/mcp");
-      });
-
-      // Setting auth_type to oauth2 should render the OAuth form fields
-      await waitFor(() => {
-        expect(screen.getByText("OAuth Flow Type")).toBeInTheDocument();
-      });
-    });
   });
 
   describe("with back to discovery button", () => {