diff --git a/packages/backend-core/src/plugin/utils.js b/packages/backend-core/src/plugin/utils.js
index 60a40f3a76..b943747483 100644
--- a/packages/backend-core/src/plugin/utils.js
+++ b/packages/backend-core/src/plugin/utils.js
@@ -51,6 +51,7 @@ function validateDatasource(schema) {
   const queryValidator = joi
     .object({
       type: joi.string().allow(...Object.values(QueryType)),
+      readable: joi.boolean(),
       fields: joi.object().pattern(joi.string(), fieldValidator),
     })
     .required()
diff --git a/packages/server/src/integrations/mongodb.ts b/packages/server/src/integrations/mongodb.ts
index d7709a08c7..9ccefbda58 100644
--- a/packages/server/src/integrations/mongodb.ts
+++ b/packages/server/src/integrations/mongodb.ts
@@ -58,6 +58,7 @@ const SCHEMA: Integration = {
     },
     aggregate: {
       type: QueryType.JSON,
+      readable: true,
       steps: [
         {
           key: "$addFields",