feat(core): allow configurable apps MCP URL

codex-rs/core/config.schema.json

@@ -1141,6 +1141,10 @@
       "description": "Base URL for requests to ChatGPT (as opposed to the OpenAI API).",
       "type": "string"
     },
+    "connectors_mcp_url": {
+      "description": "Optional override for the Codex Apps MCP endpoint URL.",
+      "type": "string"
+    },
     "check_for_update_on_startup": {
       "description": "When `true`, checks for Codex updates on startup and surfaces update prompts. Set to `false` only if your Codex updates are centrally managed. Defaults to `true`.",
       "type": "boolean"
@@ -1588,4 +1592,4 @@
   },
   "title": "ConfigToml",
   "type": "object"
-}
+}