From 86c54b5466df97b4d381aaf2735d17a940a4ea02 Mon Sep 17 00:00:00 2001
From: Basil Hosmer <basil@anthropic.com>
Date: Tue, 17 Feb 2026 15:07:52 -0500
Subject: [PATCH] feat: update Slack plugin to HTTP transport with OAuth config

- Switch from SSE to HTTP transport
- Update URL from /sse to /mcp endpoint
- Add OAuth clientId and callbackPort for Claude Code auth flow
---
 external_plugins/slack/.mcp.json | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/external_plugins/slack/.mcp.json b/external_plugins/slack/.mcp.json
index 2c73e48..dae2c58 100644
--- a/external_plugins/slack/.mcp.json
+++ b/external_plugins/slack/.mcp.json
@@ -1,6 +1,10 @@
 {
   "slack": {
-    "type": "sse",
-    "url": "https://mcp.slack.com/sse"
+    "type": "http",
+    "url": "https://mcp.slack.com/mcp",
+    "oauth": {
+      "clientId": "1601185624273.8899143856786",
+      "callbackPort": 3118
+    }
   }
 }