diff --git a/packages/api/src/controllers/databaseConnections.js b/packages/api/src/controllers/databaseConnections.js
index be16f7e95..37a5a0a9b 100644
--- a/packages/api/src/controllers/databaseConnections.js
+++ b/packages/api/src/controllers/databaseConnections.js
@@ -2,7 +2,7 @@ const uuidv1 = require('uuid/v1');
 const connections = require('./connections');
 const socket = require('../utility/socket');
 const { fork } = require('child_process');
-const DatabaseAnalyser = require('dbgate-engines/default/DatabaseAnalyser');
+const { DatabaseAnalyser } = require('dbgate-tools');
 
 module.exports = {
   /** @type {import('dbgate-types').OpenedDatabaseConnection[]} */
diff --git a/packages/engines/mssql/MsSqlAnalyser.js b/packages/engines/mssql/MsSqlAnalyser.js
index 8a272a3c8..7804a4c69 100644
--- a/packages/engines/mssql/MsSqlAnalyser.js
+++ b/packages/engines/mssql/MsSqlAnalyser.js
@@ -2,7 +2,7 @@ const fp = require('lodash/fp');
 const _ = require('lodash');
 const sql = require('./sql');
 
-const DatabaseAnalyser = require('../default/DatabaseAnalyser');
+const { DatabaseAnalyser } = require('dbgate-tools');
 const { filter } = require('lodash');
 const { isTypeString, isTypeNumeric } = require('dbgate-tools');
 
diff --git a/packages/engines/mssql/MsSqlDumper.js b/packages/engines/mssql/MsSqlDumper.js
index ba5bf0b8a..652fc5016 100644
--- a/packages/engines/mssql/MsSqlDumper.js
+++ b/packages/engines/mssql/MsSqlDumper.js
@@ -1,4 +1,4 @@
-const SqlDumper = require('../default/SqlDumper');
+const { SqlDumper } = require('dbgate-tools');
 
 class MsSqlDumper extends SqlDumper {
   autoIncrement() {
diff --git a/packages/engines/mssql/createBulkInsertStream.js b/packages/engines/mssql/createBulkInsertStream.js
index b3f345102..991783b84 100644
--- a/packages/engines/mssql/createBulkInsertStream.js
+++ b/packages/engines/mssql/createBulkInsertStream.js
@@ -1,4 +1,4 @@
-const createBulkInsertStreamBase = require('../default/createBulkInsertStreamBase');
+const { createBulkInsertStreamBase } = require('dbgate-tools');
 
 /**
  *
diff --git a/packages/engines/mssql/index.js b/packages/engines/mssql/index.js
index 2eda2cde9..f09eec170 100644
--- a/packages/engines/mssql/index.js
+++ b/packages/engines/mssql/index.js
@@ -1,8 +1,8 @@
 const _ = require('lodash');
+const { driverBase } = require('dbgate-tools');
 const MsSqlAnalyser = require('./MsSqlAnalyser');
 const MsSqlDumper = require('./MsSqlDumper');
 const createBulkInsertStream = require('./createBulkInsertStream');
-const driverBase = require('../default/driverBase');
 
 /** @type {import('dbgate-types').SqlDialect} */
 const dialect = {
diff --git a/packages/engines/mysql/MySqlAnalyser.js b/packages/engines/mysql/MySqlAnalyser.js
index 64de86467..4ce5aa1a8 100644
--- a/packages/engines/mysql/MySqlAnalyser.js
+++ b/packages/engines/mysql/MySqlAnalyser.js
@@ -2,7 +2,7 @@ const fp = require('lodash/fp');
 const _ = require('lodash');
 const sql = require('./sql');
 
-const DatabaseAnalayser = require('../default/DatabaseAnalyser');
+const { DatabaseAnalyser } = require('dbgate-tools');
 const { isTypeString, isTypeNumeric } = require('dbgate-tools');
 const { rangeStep } = require('lodash/fp');
 
@@ -35,7 +35,7 @@ function objectTypeToField(type) {
   return null;
 }
 
-class MySqlAnalyser extends DatabaseAnalayser {
+class MySqlAnalyser extends DatabaseAnalyser {
   constructor(pool, driver) {
     super(pool, driver);
   }
@@ -103,8 +103,8 @@ class MySqlAnalyser extends DatabaseAnalayser {
         tables: tables.rows.map((table) => ({
           ...table,
           columns: columns.rows.filter((col) => col.pureName == table.pureName).map(getColumnInfo),
-          primaryKey: DatabaseAnalayser.extractPrimaryKeys(table, pkColumns.rows),
-          foreignKeys: DatabaseAnalayser.extractForeignKeys(table, fkColumns.rows),
+          primaryKey: DatabaseAnalyser.extractPrimaryKeys(table, pkColumns.rows),
+          foreignKeys: DatabaseAnalyser.extractForeignKeys(table, fkColumns.rows),
         })),
         views: views.rows.map((view) => ({
           ...view,
diff --git a/packages/engines/mysql/MySqlDumper.js b/packages/engines/mysql/MySqlDumper.js
index 3b778de0c..0a5e6922d 100644
--- a/packages/engines/mysql/MySqlDumper.js
+++ b/packages/engines/mysql/MySqlDumper.js
@@ -1,4 +1,4 @@
-const SqlDumper = require('../default/SqlDumper');
+const { SqlDumper } = require('dbgate-tools');
 
 class MySqlDumper extends SqlDumper {
   /** @param type {import('dbgate-types').TransformType} */
diff --git a/packages/engines/mysql/index.js b/packages/engines/mysql/index.js
index 5aee7c46d..010e7a461 100644
--- a/packages/engines/mysql/index.js
+++ b/packages/engines/mysql/index.js
@@ -1,4 +1,4 @@
-const driverBase = require('../default/driverBase');
+const { driverBase } = require('dbgate-tools');
 const MySqlAnalyser = require('./MySqlAnalyser');
 const MySqlDumper = require('./MySqlDumper');
 
@@ -143,6 +143,12 @@ const driver = {
     const { rows } = await this.query(connection, 'show databases');
     return rows.map((x) => ({ name: x.Database }));
   },
+  async writeTable(pool, name, options) {
+    const { stream } = pool._nativeModules;
+    // @ts-ignore
+    return createBulkInsertStreamBase(this, stream, pool, name, options);
+  },
+
   // createDumper() {
   //   return new MySqlDumper(this);
   // },
diff --git a/packages/engines/postgres/PostgreAnalyser.js b/packages/engines/postgres/PostgreAnalyser.js
index 16ed42b5d..79a4a32a1 100644
--- a/packages/engines/postgres/PostgreAnalyser.js
+++ b/packages/engines/postgres/PostgreAnalyser.js
@@ -2,7 +2,7 @@ const fp = require('lodash/fp');
 const _ = require('lodash');
 const sql = require('./sql');
 
-const DatabaseAnalayser = require('../default/DatabaseAnalyser');
+const { DatabaseAnalyser } = require('dbgate-tools');
 const { isTypeString, isTypeNumeric } = require('dbgate-tools');
 
 function normalizeTypeName(dataType) {
@@ -35,7 +35,7 @@ function getColumnInfo({
   };
 }
 
-class PostgreAnalyser extends DatabaseAnalayser {
+class PostgreAnalyser extends DatabaseAnalyser {
   constructor(pool, driver) {
     super(pool, driver);
   }
@@ -84,8 +84,8 @@ class PostgreAnalyser extends DatabaseAnalayser {
           columns: columns.rows
             .filter((col) => col.pureName == table.pureName && col.schemaName == table.schemaName)
             .map(getColumnInfo),
-          primaryKey: DatabaseAnalayser.extractPrimaryKeys(table, pkColumns.rows),
-          foreignKeys: DatabaseAnalayser.extractForeignKeys(table, fkColumns.rows),
+          primaryKey: DatabaseAnalyser.extractPrimaryKeys(table, pkColumns.rows),
+          foreignKeys: DatabaseAnalyser.extractForeignKeys(table, fkColumns.rows),
         })),
         views: views.rows.map((view) => ({
           ...view,
diff --git a/packages/engines/postgres/PostgreDumper.js b/packages/engines/postgres/PostgreDumper.js
index 12582b547..2fe0bf076 100644
--- a/packages/engines/postgres/PostgreDumper.js
+++ b/packages/engines/postgres/PostgreDumper.js
@@ -1,4 +1,4 @@
-const SqlDumper = require('../default/SqlDumper');
+const { SqlDumper } = require('dbgate-tools');
 
 class PostgreDumper extends SqlDumper {
   /** @param type {import('dbgate-types').TransformType} */
diff --git a/packages/engines/postgres/index.js b/packages/engines/postgres/index.js
index bc09995b4..9aad592cf 100644
--- a/packages/engines/postgres/index.js
+++ b/packages/engines/postgres/index.js
@@ -1,5 +1,5 @@
 const _ = require('lodash');
-const driverBase = require('../default/driverBase');
+const { driverBase } = require('dbgate-tools');
 const PostgreAnalyser = require('./PostgreAnalyser');
 const PostgreDumper = require('./PostgreDumper');
 
@@ -174,6 +174,11 @@ const driver = {
   // createDumper() {
   //   return new PostgreDumper(this);
   // },
+  async writeTable(pool, name, options) {
+    const { stream } = pool._nativeModules;
+    // @ts-ignore
+    return createBulkInsertStreamBase(this, stream, pool, name, options);
+  },
   async listDatabases(client) {
     const { rows } = await this.query(client, 'SELECT datname AS name FROM pg_database WHERE datistemplate = false');
     return rows;
diff --git a/packages/engines/default/DatabaseAnalyser.js b/packages/tools/src/DatabaseAnalyser.ts
similarity index 51%
rename from packages/engines/default/DatabaseAnalyser.js
rename to packages/tools/src/DatabaseAnalyser.ts
index 8874a725e..47360ecca 100644
--- a/packages/engines/default/DatabaseAnalyser.js
+++ b/packages/tools/src/DatabaseAnalyser.ts
@@ -1,21 +1,13 @@
-const _ = require('lodash');
-const fp = require('lodash/fp');
+import { DatabaseInfo, DatabaseModification, EngineDriver } from 'dbgate-types';
+import _ from 'lodash';
+import fp from 'lodash/fp';
 
-class DatabaseAnalyser {
-  /**
-   *
-   * @param {import('dbgate-types').EngineDriver} driver
-   */
-  constructor(pool, driver) {
-    this.pool = pool;
-    this.driver = driver;
-    // this.result = DatabaseAnalyser.createEmptyStructure();
-    /** @type {import('dbgate-types').DatabaseInfo} */
-    this.structure = null;
-    /** import('dbgate-types').DatabaseModification[]) */
-    this.modifications = null;
-    this.singleObjectFilter = null;
-  }
+export class DatabaseAnalyser {
+  structure: DatabaseInfo;
+  modifications: DatabaseModification[];
+  singleObjectFilter: any;
+
+  constructor(public pool, public driver: EngineDriver) {}
 
   async _runAnalysis() {
     return DatabaseAnalyser.createEmptyStructure();
@@ -80,46 +72,46 @@ class DatabaseAnalyser {
   // findObjectById(id) {
   //   return this.structure.tables.find((x) => x.objectId == id);
   // }
+
+  static createEmptyStructure(): DatabaseInfo {
+    return {
+      tables: [],
+      views: [],
+      functions: [],
+      procedures: [],
+      triggers: [],
+      schemas: [],
+    };
+  }
+
+  static byTableFilter(table) {
+    return (x) => x.pureName == table.pureName && x.schemaName == x.schemaName;
+  }
+
+  static extractPrimaryKeys(table, pkColumns) {
+    const filtered = pkColumns.filter(DatabaseAnalyser.byTableFilter(table));
+    if (filtered.length == 0) return undefined;
+    return {
+      ..._.pick(filtered[0], ['constraintName', 'schemaName', 'pureName']),
+      constraintType: 'primaryKey',
+      columns: filtered.map(fp.pick('columnName')),
+    };
+  }
+  static extractForeignKeys(table, fkColumns) {
+    const grouped = _.groupBy(fkColumns.filter(DatabaseAnalyser.byTableFilter(table)), 'constraintName');
+    return _.keys(grouped).map((constraintName) => ({
+      constraintName,
+      constraintType: 'foreignKey',
+      ..._.pick(grouped[constraintName][0], [
+        'constraintName',
+        'schemaName',
+        'pureName',
+        'refSchemaName',
+        'refTableName',
+        'updateAction',
+        'deleteAction',
+      ]),
+      columns: grouped[constraintName].map(fp.pick(['columnName', 'refColumnName'])),
+    }));
+  }
 }
-
-/** @returns {import('dbgate-types').DatabaseInfo} */
-DatabaseAnalyser.createEmptyStructure = () => ({
-  tables: [],
-  views: [],
-  functions: [],
-  procedures: [],
-  triggers: [],
-  schemas: [],
-});
-
-DatabaseAnalyser.byTableFilter = (table) => (x) => x.pureName == table.pureName && x.schemaName == x.schemaName;
-
-DatabaseAnalyser.extractPrimaryKeys = (table, pkColumns) => {
-  const filtered = pkColumns.filter(DatabaseAnalyser.byTableFilter(table));
-  if (filtered.length == 0) return undefined;
-  return {
-    ..._.pick(filtered[0], ['constraintName', 'schemaName', 'pureName']),
-    constraintType: 'primaryKey',
-    columns: filtered.map(fp.pick('columnName')),
-  };
-};
-
-DatabaseAnalyser.extractForeignKeys = (table, fkColumns) => {
-  const grouped = _.groupBy(fkColumns.filter(DatabaseAnalyser.byTableFilter(table)), 'constraintName');
-  return _.keys(grouped).map((constraintName) => ({
-    constraintName,
-    constraintType: 'foreignKey',
-    ..._.pick(grouped[constraintName][0], [
-      'constraintName',
-      'schemaName',
-      'pureName',
-      'refSchemaName',
-      'refTableName',
-      'updateAction',
-      'deleteAction',
-    ]),
-    columns: grouped[constraintName].map(fp.pick(['columnName', 'refColumnName'])),
-  }));
-};
-
-module.exports = DatabaseAnalyser;
diff --git a/packages/engines/default/SqlDumper.js b/packages/tools/src/SqlDumper.ts
similarity index 83%
rename from packages/engines/default/SqlDumper.js
rename to packages/tools/src/SqlDumper.ts
index e00b96ca1..2e9c51ba5 100644
--- a/packages/engines/default/SqlDumper.js
+++ b/packages/tools/src/SqlDumper.ts
@@ -1,13 +1,24 @@
-const _ = require('lodash');
-const moment = require('moment');
+import {
+  ColumnInfo,
+  EngineDriver,
+  ForeignKeyInfo,
+  NamedObjectInfo,
+  SqlDialect,
+  TableInfo,
+  TransformType,
+} from 'dbgate-types';
+import _ from 'lodash';
+import moment from 'moment';
 
-class SqlDumper {
-  /** @param driver {import('dbgate-types').EngineDriver} */
-  constructor(driver) {
-    this.s = '';
+export class SqlDumper {
+  s = '';
+  driver: EngineDriver;
+  dialect: SqlDialect;
+  indentLevel = 0;
+
+  constructor(driver: EngineDriver) {
     this.driver = driver;
     this.dialect = driver.dialect;
-    this.indentLevel = 0;
   }
   endCommand() {
     this.putRaw(';\n');
@@ -85,8 +96,7 @@ class SqlDumper {
     if (!collection) return;
     this.putCollection(', ', collection, (item) => this.putFormattedValue(c, item));
   }
-  /** @param format {string} */
-  put(format, ...args) {
+  put(format: string, ...args) {
     let i = 0;
     let argIndex = 0;
     const length = format.length;
@@ -149,10 +159,7 @@ class SqlDumper {
     this.put(' ^auto_increment');
   }
 
-  /**
-   * @param column {import('dbgate-types').ColumnInfo}
-   */
-  columnDefinition(column, { includeDefault = true, includeNullable = true, includeCollate = true } = {}) {
+  columnDefinition(column: ColumnInfo, { includeDefault = true, includeNullable = true, includeCollate = true } = {}) {
     if (column.computedExpression) {
       this.put('^as %s', column.computedExpression);
       if (column.isPersisted) this.put(' ^persisted');
@@ -175,10 +182,7 @@ class SqlDumper {
     }
   }
 
-  /**
-   * @param column {import('dbgate-types').ColumnInfo}
-   */
-  columnDefault(column) {
+  columnDefault(column: ColumnInfo) {
     if (column.defaultConstraint != null) {
       this.put(' ^constraint %i ^default %s ', column.defaultConstraint, column.defaultValue);
     } else {
@@ -186,13 +190,7 @@ class SqlDumper {
     }
   }
 
-  /**
-   * @template T
-   * @param {string} delimiter
-   * @param {T[]} collection
-   * @param {(col: T) => void} lambda
-   */
-  putCollection(delimiter, collection, lambda) {
+  putCollection<T>(delimiter: string, collection: T[], lambda: (col: T) => void) {
     if (!collection) return;
     let first = true;
     for (const item of collection) {
@@ -202,8 +200,7 @@ class SqlDumper {
     }
   }
 
-  /** @param table {import('dbgate-types').TableInfo} */
-  createTable(table) {
+  createTable(table: TableInfo) {
     this.put('^create ^table %f ( &>&n', table);
     this.putCollection(',&n', table.columns, (col) => {
       this.put('%i ', col.columnName);
@@ -245,8 +242,7 @@ class SqlDumper {
     // }
   }
 
-  /** @param fk {import('dbgate-types').ForeignKeyInfo} */
-  createForeignKeyFore(fk) {
+  createForeignKeyFore(fk: ForeignKeyInfo) {
     if (fk.constraintName != null) this.put('^constraint %i ', fk.constraintName);
     this.put(
       '^foreign ^key (%,i) ^references %f (%,i)',
@@ -258,16 +254,9 @@ class SqlDumper {
     if (fk.updateAction) this.put(' ^on ^update %k', fk.updateAction);
   }
 
-  /** @param type {import('dbgate-types').TransformType} */
-  transform(type, dumpExpr) {
+  transform(type: TransformType, dumpExpr) {
     dumpExpr();
   }
 
-  /**
-   * @param table {import('dbgate-types').NamedObjectInfo}
-   * @param allow {boolean}
-   */
-  allowIdentityInsert(table, allow) {}
+  allowIdentityInsert(table: NamedObjectInfo, allow: boolean) {}
 }
-
-module.exports = SqlDumper;
diff --git a/packages/engines/default/createBulkInsertStreamBase.js b/packages/tools/src/createBulkInsertStreamBase.ts
similarity index 90%
rename from packages/engines/default/createBulkInsertStreamBase.js
rename to packages/tools/src/createBulkInsertStreamBase.ts
index 12550104b..1d02c9eb6 100644
--- a/packages/engines/default/createBulkInsertStreamBase.js
+++ b/packages/tools/src/createBulkInsertStreamBase.ts
@@ -1,11 +1,8 @@
-const { prepareTableForImport } = require('dbgate-tools');
-const _ = require('lodash');
+import { EngineDriver } from 'dbgate-types';
+import _ from 'lodash';
+import { prepareTableForImport } from './tableTransforms';
 
-/**
- *
- * @param {import('dbgate-types').EngineDriver} driver
- */
-function createBulkInsertStreamBase(driver, stream, pool, name, options) {
+export function createBulkInsertStreamBase(driver, stream, pool, name, options): any {
   const fullNameQuoted = name.schemaName
     ? `${driver.dialect.quoteIdentifier(name.schemaName)}.${driver.dialect.quoteIdentifier(name.pureName)}`
     : driver.dialect.quoteIdentifier(name.pureName);
@@ -94,5 +91,3 @@ function createBulkInsertStreamBase(driver, stream, pool, name, options) {
 
   return writable;
 }
-
-module.exports = createBulkInsertStreamBase;
diff --git a/packages/engines/default/driverBase.js b/packages/tools/src/driverBase.ts
similarity index 70%
rename from packages/engines/default/driverBase.js
rename to packages/tools/src/driverBase.ts
index 38c6a9599..6adf8bdec 100644
--- a/packages/engines/default/driverBase.js
+++ b/packages/tools/src/driverBase.ts
@@ -1,6 +1,6 @@
-const createBulkInsertStreamBase = require('./createBulkInsertStreamBase');
+import { createBulkInsertStreamBase } from './createBulkInsertStreamBase';
 
-const driverBase = {
+export const driverBase = {
   analyserClass: null,
   dumperClass: null,
 
@@ -24,11 +24,4 @@ const driverBase = {
   createDumper() {
     return new this.dumperClass(this);
   },
-  async writeTable(pool, name, options) {
-    const { stream, mssql } = pool._nativeModules;
-    // @ts-ignore
-    return createBulkInsertStreamBase(this, stream, pool, name, options);
-  },
 };
-
-module.exports = driverBase;
diff --git a/packages/tools/src/index.ts b/packages/tools/src/index.ts
index 9518e5b90..857fa0aec 100644
--- a/packages/tools/src/index.ts
+++ b/packages/tools/src/index.ts
@@ -2,3 +2,7 @@ export * from './commonTypeParser';
 export * from './nameTools';
 export * from './tableTransforms';
 export * from './packageTools';
+export * from './createBulkInsertStreamBase';
+export * from './DatabaseAnalyser';
+export * from './driverBase';
+export * from './SqlDumper';