kaii9 · Oct 9, 2026
@@ -1144,6 +1144,13 @@ For negotiated supported protocol versions `2026-07-28` or newer, the consolidat
   - **OAuth Challenge Scopes**: `notifications`
   - `notificationID`: The ID of the notification (string, required)
 
+- **get_subject_subscription** - Get subject subscription
+  - **OAuth Challenge Scopes**: `repo`
+  - `number`: Issue, pull request, or discussion number (integer, required)
+  - `owner`: Repository owner (string, required)
+  - `repo`: Repository name (string, required)
+  - `subjectType`: Type of the subject to subscribe to (string, required)
+
 - **list_notifications** - List notifications
   - **OAuth Challenge Scopes**: `notifications`
   - `before`: Only show notifications updated before the given time (ISO 8601 format) (string, optional)
@@ -1165,6 +1172,14 @@ For negotiated supported protocol versions `2026-07-28` or newer, the consolidat
   - `owner`: The account owner of the repository. (string, required)
   - `repo`: The name of the repository. (string, required)
 
+- **manage_subject_subscription** - Manage subject subscription
+  - **OAuth Challenge Scopes**: `repo`, `notifications`
+  - `number`: Issue, pull request, or discussion number (integer, required)
+  - `owner`: Repository owner (string, required)
+  - `repo`: Repository name (string, required)
+  - `state`: subscribed: receive all updates; unsubscribed: only participating or mentions; ignored: receive no notifications (string, required)
+  - `subjectType`: Type of the subject to subscribe to (string, required)
+
 - **mark_all_notifications_read** - Mark all notifications as read
   - **OAuth Challenge Scopes**: `notifications`
   - `lastReadAt`: Describes the last point that notifications were checked (optional). Default: Now (string, optional)

@@ -0,0 +1,43 @@
+{
+  "annotations": {
+    "idempotentHint": false,
+    "readOnlyHint": true,
+    "title": "Get subject subscription"
+  },
+  "description": "Get the authenticated user's notification subscription state for a specific issue, pull request, or discussion by repository and number. Does not require an existing notification thread.",
+  "inputSchema": {
+    "properties": {
+      "number": {
+        "description": "Issue, pull request, or discussion number",
+        "maximum": 2147483647,
+        "minimum": 1,
+        "type": "integer"
+      },
+      "owner": {
+        "description": "Repository owner",
+        "type": "string"
+      },
+      "repo": {
+        "description": "Repository name",
+        "type": "string"
+      },
+      "subjectType": {
+        "description": "Type of the subject to subscribe to",
+        "enum": [
+          "issue",
+          "pull_request",
+          "discussion"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "owner",
+      "repo",
+      "subjectType",
+      "number"
+    ],
+    "type": "object"
+  },
+  "name": "get_subject_subscription"
+}
@@ -0,0 +1,44 @@
+{
+  "inputSchema": null,
+  "name": "get_subject_subscription",
+  "outputSchema": {
+    "additionalProperties": false,
+    "properties": {
+      "can_subscribe": {
+        "type": "boolean"
+      },
+      "id": {
+        "type": "string"
+      },
+      "number": {
+        "maximum": 2147483647,
+        "minimum": -2147483648,
+        "type": "integer"
+      },
+      "state": {
+        "type": [
+          "null",
+          "string"
+        ]
+      },
+      "subject_type": {
+        "type": "string"
+      },
+      "url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "id",
+      "subject_type",
+      "number",
+      "url",
+      "state",
+      "can_subscribe"
+    ],
+    "type": [
+      "null",
+      "object"
+    ]
+  }
+}
@@ -0,0 +1,54 @@
+{
+  "annotations": {
+    "destructiveHint": true,
+    "idempotentHint": true,
+    "readOnlyHint": false,
+    "title": "Manage subject subscription"
+  },
+  "description": "Subscribe, unsubscribe, or ignore a specific issue, pull request, or discussion for the authenticated user by repository and number. Does not require an existing notification thread and does not watch the whole repository. Use get_subject_subscription to check the current state.",
+  "inputSchema": {
+    "properties": {
+      "number": {
+        "description": "Issue, pull request, or discussion number",
+        "maximum": 2147483647,
+        "minimum": 1,
+        "type": "integer"
+      },
+      "owner": {
+        "description": "Repository owner",
+        "type": "string"
+      },
+      "repo": {
+        "description": "Repository name",
+        "type": "string"
+      },
+      "state": {
+        "description": "subscribed: receive all updates; unsubscribed: only participating or mentions; ignored: receive no notifications",
+        "enum": [
+          "subscribed",
+          "unsubscribed",
+          "ignored"
+        ],
+        "type": "string"
+      },
+      "subjectType": {
+        "description": "Type of the subject to subscribe to",
+        "enum": [
+          "issue",
+          "pull_request",
+          "discussion"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "owner",
+      "repo",
+      "subjectType",
+      "number",
+      "state"
+    ],
+    "type": "object"
+  },
+  "name": "manage_subject_subscription"
+}
@@ -0,0 +1,44 @@
+{
+  "inputSchema": null,
+  "name": "manage_subject_subscription",
+  "outputSchema": {
+    "additionalProperties": false,
+    "properties": {
+      "can_subscribe": {
+        "type": "boolean"
+      },
+      "id": {
+        "type": "string"
+      },
+      "number": {
+        "maximum": 2147483647,
+        "minimum": -2147483648,
+        "type": "integer"
+      },
+      "state": {
+        "type": [
+          "null",
+          "string"
+        ]
+      },
+      "subject_type": {
+        "type": "string"
+      },
+      "url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "id",
+      "subject_type",
+      "number",
+      "url",
+      "state",
+      "can_subscribe"
+    ],
+    "type": [
+      "null",
+      "object"
+    ]
+  }
+}