diff --git a/customer-support/.mcp.json b/customer-support/.mcp.json
index ecb8205..29ff072 100644
--- a/customer-support/.mcp.json
+++ b/customer-support/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "intercom": {
       "type": "http",
diff --git a/design/.mcp.json b/design/.mcp.json
index 21edf1a..075ddf3 100644
--- a/design/.mcp.json
+++ b/design/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "figma": {
       "type": "http",
diff --git a/engineering/.mcp.json b/engineering/.mcp.json
index 2aa7875..56b47e7 100644
--- a/engineering/.mcp.json
+++ b/engineering/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "linear": {
       "type": "http",
diff --git a/enterprise-search/.mcp.json b/enterprise-search/.mcp.json
index 1f7add1..01bbb6f 100644
--- a/enterprise-search/.mcp.json
+++ b/enterprise-search/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "notion": {
       "type": "http",
diff --git a/finance/.mcp.json b/finance/.mcp.json
index 5b3a873..9da45e9 100644
--- a/finance/.mcp.json
+++ b/finance/.mcp.json
@@ -14,7 +14,11 @@
     },
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "ms365": {
       "type": "http",
diff --git a/human-resources/.mcp.json b/human-resources/.mcp.json
index 3165313..3b920e9 100644
--- a/human-resources/.mcp.json
+++ b/human-resources/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "google calendar": {
       "type": "http",
diff --git a/legal/.mcp.json b/legal/.mcp.json
index 310ffb0..8c03d90 100644
--- a/legal/.mcp.json
+++ b/legal/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "box": {
       "type": "http",
diff --git a/marketing/.mcp.json b/marketing/.mcp.json
index c99ef35..796edd7 100644
--- a/marketing/.mcp.json
+++ b/marketing/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "canva": {
       "type": "http",
diff --git a/operations/.mcp.json b/operations/.mcp.json
index 0f3966e..a54bbd8 100644
--- a/operations/.mcp.json
+++ b/operations/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "google calendar": {
       "type": "http",
diff --git a/product-management/.mcp.json b/product-management/.mcp.json
index 0d83191..40bb6b0 100644
--- a/product-management/.mcp.json
+++ b/product-management/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "linear": {
       "type": "http",
diff --git a/productivity/.mcp.json b/productivity/.mcp.json
index 495473e..0097bab 100644
--- a/productivity/.mcp.json
+++ b/productivity/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "notion": {
       "type": "http",
diff --git a/sales/.mcp.json b/sales/.mcp.json
index d605849..c84f56f 100644
--- a/sales/.mcp.json
+++ b/sales/.mcp.json
@@ -2,7 +2,11 @@
   "mcpServers": {
     "slack": {
       "type": "http",
-      "url": "https://mcp.slack.com/mcp"
+      "url": "https://mcp.slack.com/mcp",
+      "oauth": {
+        "clientId": "1601185624273.8899143856786",
+        "callbackPort": 3118
+      }
     },
     "hubspot": {
       "type": "http",