diff --git a/packages/drivers/sql/src/index.ts b/packages/drivers/sql/src/index.ts
index f98f2986..3e318e25 100644
--- a/packages/drivers/sql/src/index.ts
+++ b/packages/drivers/sql/src/index.ts
@@ -9,6 +9,10 @@
 import { Driver, IntrospectedSchema, IntrospectedTable, IntrospectedColumn, IntrospectedForeignKey } from '@objectql/types';
 import knex, { Knex } from 'knex';
 
+/**
+ * SQL Driver for ObjectQL
+ * Implements Driver interface from @objectql/types
+ */
 export class SqlDriver implements Driver {
     private knex: Knex;
     private config: any;
@@ -277,7 +281,7 @@ export class SqlDriver implements Driver {
         }
     }
     
-    // Bulk
+    // Bulk Operations
     async createMany(objectName: string, data: any[], options?: any): Promise<any> {
         const builder = this.getBuilder(objectName, options);
         return await builder.insert(data).returning('*');
@@ -506,6 +510,8 @@ export class SqlDriver implements Driver {
         return data;
     }
 
+    /**
+
     /**
      * Introspect the database schema to discover existing tables, columns, and relationships.
      */
diff --git a/packages/foundation/core/src/app.ts b/packages/foundation/core/src/app.ts
index e3156994..afc1f52d 100644
--- a/packages/foundation/core/src/app.ts
+++ b/packages/foundation/core/src/app.ts
@@ -19,7 +19,8 @@ import {
     HookContext,
     ActionHandler,
     ActionContext,
-    LoaderPlugin
+    LoaderPlugin,
+    Driver
 } from '@objectql/types';
 import { ObjectRepository } from './repository';
 
@@ -28,13 +29,12 @@ import { registerHookHelper, triggerHookHelper, HookEntry } from './hook';
 import { registerObjectHelper, getConfigsHelper } from './object';
 import { convertIntrospectedSchemaToObjects } from './util';
 
-// Import ObjectStack engine and standard driver interface
+// Import ObjectStack engine (without using its driver types)
 import { ObjectQL as ObjectStackEngine } from '@objectstack/objectql';
-import { DriverInterface } from '@objectstack/spec';
 
 export class ObjectQL implements IObjectQL {
     public metadata: MetadataRegistry;
-    private datasources: Record<string, DriverInterface> = {};
+    private datasources: Record<string, Driver> = {};
     private remotes: string[] = [];
     private hooks: Record<string, HookEntry[]> = {};
     private actions: Record<string, ActionEntry> = {};
@@ -55,8 +55,9 @@ export class ObjectQL implements IObjectQL {
         this.stackEngine = new ObjectStackEngine({});
         
         // Register drivers with ObjectStack engine (no wrapping needed)
+        // Cast to any since our Driver interface is compatible with spec's DriverInterface
         for (const [name, driver] of Object.entries(this.datasources)) {
-            this.stackEngine.registerDriver(driver, name === 'default');
+            this.stackEngine.registerDriver(driver as any, name === 'default');
         }
         
         if (config.connection) {
@@ -89,12 +90,13 @@ export class ObjectQL implements IObjectQL {
     /**
      * Register a new driver with ObjectStack engine
      */
-    registerDriver(name: string, driver: DriverInterface, isDefault: boolean = false) {
+    registerDriver(name: string, driver: Driver, isDefault: boolean = false) {
         if (this.datasources[name]) {
             console.warn(`[ObjectQL] Driver '${name}' already exists. Overwriting...`);
         }
         this.datasources[name] = driver;
-        this.stackEngine.registerDriver(driver, isDefault);
+        // Cast to any since our Driver interface is compatible with spec's DriverInterface
+        this.stackEngine.registerDriver(driver as any, isDefault);
     }
 
     removePackage(name: string) {
@@ -189,7 +191,7 @@ export class ObjectQL implements IObjectQL {
         return getConfigsHelper(this.metadata);
     }
 
-    datasource(name: string): DriverInterface {
+    datasource(name: string): Driver {
         const driver = this.datasources[name];
         if (!driver) {
             throw new Error(`Datasource '${name}' not found`);
diff --git a/packages/foundation/types/src/config.ts b/packages/foundation/types/src/config.ts
index 3eacf401..d7750b82 100644
--- a/packages/foundation/types/src/config.ts
+++ b/packages/foundation/types/src/config.ts
@@ -9,12 +9,12 @@
 import { MetadataRegistry } from "./registry";
 import { ObjectConfig } from "./object";
 import { ObjectQLPlugin } from "./plugin";
-// Import DriverInterface from @objectstack/spec
-import type { DriverInterface } from "@objectstack/spec";
+// Import Driver from local types package
+import type { Driver } from "./driver";
 
 export interface ObjectQLConfig {
     registry?: MetadataRegistry;
-    datasources?: Record<string, DriverInterface>;
+    datasources?: Record<string, Driver>;
     /**
      * Optional connection string for auto-configuration.
      * e.g. "sqlite://dev.db", "postgres://localhost/db", "mongodb://localhost/db"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d370a4c6..9fe393ec 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -243,31 +243,6 @@ importers:
         specifier: ^5.0.0
         version: 5.9.3
 
-  examples/plugin-driver-memory:
-    dependencies:
-      '@objectql/core':
-        specifier: workspace:*
-        version: link:../../packages/foundation/core
-      '@objectql/types':
-        specifier: workspace:*
-        version: link:../../packages/foundation/types
-      '@objectstack/objectql':
-        specifier: ^0.1.1
-        version: 0.1.1
-      '@objectstack/spec':
-        specifier: ^0.1.2
-        version: 0.1.2
-    devDependencies:
-      '@types/node':
-        specifier: ^20.0.0
-        version: 20.19.29
-      ts-node:
-        specifier: ^10.9.0
-        version: 10.9.2(@types/node@20.19.29)(typescript@5.9.3)
-      typescript:
-        specifier: ^5.0.0
-        version: 5.9.3
-
   examples/quickstart/hello-world:
     dependencies:
       '@objectql/core':