diff --git a/src/brainyData.ts b/src/brainyData.ts
index 110fa3ea..38e4b193 100644
--- a/src/brainyData.ts
+++ b/src/brainyData.ts
@@ -4,19 +4,19 @@
  */
 
 import { v4 as uuidv4 } from 'uuid'
-import { HNSWIndex } from './hnsw/hnswIndex.js'
-import { createStorage } from './storage/opfsStorage.js'
+import { HNSWIndex } from './hnsw/hnswIndex.ts'
+import { createStorage } from './storage/opfsStorage.ts'
 import {
   DistanceFunction,
   Edge,
   EmbeddingFunction,
-  HNSWConfig,
+  HNSWConfig, HNSWNode,
   SearchResult,
   StorageAdapter,
   Vector,
   VectorDocument
-} from './coreTypes.js'
-import { cosineDistance, defaultEmbeddingFunction, euclideanDistance } from './utils/index.js'
+} from './coreTypes.ts'
+import { cosineDistance, defaultEmbeddingFunction, euclideanDistance } from './utils/index.ts'
 
 export interface BrainyDataConfig {
   /**
@@ -94,7 +94,7 @@ export class BrainyData<T = any> {
       await this.storage!.init()
 
       // Load all nodes from storage
-      const nodes = await this.storage!.getAllNodes()
+      const nodes: HNSWNode[] = await this.storage!.getAllNodes()
 
       // Clear the index and add all nodes
       this.index.clear()
@@ -631,12 +631,12 @@ export class BrainyData<T = any> {
       // Check if the storage adapter has a getStorageStatus method
       if (typeof this.storage.getStorageStatus !== 'function') {
         // If not, determine the storage type based on the constructor name
-        const storageType = this.storage.constructor.name.toLowerCase().replace('storage', '');
+        const storageType = this.storage.constructor.name.toLowerCase().replace('storage', '')
         return {
           type: storageType || 'unknown',
           used: 0,
           quota: null,
-          details: { 
+          details: {
             error: 'Storage adapter does not implement getStorageStatus method',
             storageAdapter: this.storage.constructor.name,
             indexSize: this.size()
@@ -666,13 +666,13 @@ export class BrainyData<T = any> {
       console.error('Failed to get storage status:', error)
 
       // Determine the storage type based on the constructor name
-      const storageType = this.storage.constructor.name.toLowerCase().replace('storage', '');
+      const storageType = this.storage.constructor.name.toLowerCase().replace('storage', '')
 
       return {
         type: storageType || 'unknown',
         used: 0,
         quota: null,
-        details: { 
+        details: {
           error: String(error),
           storageAdapter: this.storage.constructor.name,
           indexSize: this.size()
diff --git a/src/examples/basicUsage.ts b/src/examples/basicUsage.ts
index 83f881c4..9971defe 100644
--- a/src/examples/basicUsage.ts
+++ b/src/examples/basicUsage.ts
@@ -2,7 +2,7 @@
  * Basic usage example for the Soulcraft Brainy database
  */
 
-import { BrainyData } from '../brainyData.js'
+import { BrainyData } from '../brainyData.ts'
 
 // Example data - word embeddings
 const wordEmbeddings = {
diff --git a/src/hnsw/hnswIndex.ts b/src/hnsw/hnswIndex.ts
index efaf3daa..9ac89499 100644
--- a/src/hnsw/hnswIndex.ts
+++ b/src/hnsw/hnswIndex.ts
@@ -3,8 +3,8 @@
  * Based on the paper: "Efficient and robust approximate nearest neighbor search using Hierarchical Navigable Small World graphs"
  */
 
-import { DistanceFunction, HNSWConfig, HNSWNode, Vector, VectorDocument } from '../coreTypes.js'
-import { euclideanDistance } from '../utils/index.js'
+import { DistanceFunction, HNSWConfig, HNSWNode, Vector, VectorDocument } from '../coreTypes.ts'
+import { euclideanDistance } from '../utils/index.ts'
 
 // Default HNSW parameters
 const DEFAULT_CONFIG: HNSWConfig = {
diff --git a/src/index.ts b/src/index.ts
index 6d959ba9..ba0a6ef9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,7 +4,7 @@
  */
 
 // Export main BrainyData class and related types
-import { BrainyData, BrainyDataConfig } from './brainyData.js'
+import { BrainyData, BrainyDataConfig } from './brainyData.ts'
 export { BrainyData }
 export type { BrainyDataConfig }
 
@@ -14,7 +14,7 @@ import {
   cosineDistance, 
   manhattanDistance, 
   dotProductDistance 
-} from './utils/index.js'
+} from './utils/index.ts'
 export { 
   euclideanDistance, 
   cosineDistance, 
@@ -30,7 +30,7 @@ import {
   createTensorFlowEmbeddingFunction,
   createSimpleEmbeddingFunction,
   defaultEmbeddingFunction
-} from './utils/embedding.js'
+} from './utils/embedding.ts'
 export {
   SimpleEmbedding,
   UniversalSentenceEncoder,
@@ -45,7 +45,7 @@ import {
   OPFSStorage, 
   MemoryStorage, 
   createStorage 
-} from './storage/opfsStorage.js'
+} from './storage/opfsStorage.ts'
 export { 
   OPFSStorage, 
   MemoryStorage, 
@@ -58,7 +58,7 @@ import {
   augmentationPipeline,
   ExecutionMode,
   PipelineOptions
-} from './augmentationPipeline.js'
+} from './augmentationPipeline.ts'
 export {
   AugmentationPipeline,
   augmentationPipeline,
@@ -72,12 +72,12 @@ import {
   configureAndStartPipeline,
   createSensePluginConfig,
   createConduitPluginConfig
-} from './pluginLoader.js'
+} from './pluginLoader.ts'
 import type {
   PluginLoaderOptions,
   PluginConfig,
   PluginLoadResult
-} from './pluginLoader.js'
+} from './pluginLoader.ts'
 export {
   loadPlugins,
   configureAndStartPipeline,
@@ -102,7 +102,7 @@ import type {
   Edge,
   HNSWConfig,
   StorageAdapter
-} from './coreTypes.js'
+} from './coreTypes.ts'
 export type {
   Vector,
   VectorDocument,
@@ -128,8 +128,8 @@ import type {
   IPerceptionAugmentation,
   IDialogAugmentation,
   IActivationAugmentation
-} from './types/augmentations.js'
-import { AugmentationType, BrainyAugmentations } from './types/augmentations.js'
+} from './types/augmentations.ts'
+import { AugmentationType, BrainyAugmentations } from './types/augmentations.ts'
 export type {
   IAugmentation,
   AugmentationResponse,
@@ -156,7 +156,7 @@ export type {
   IWebSocketDialogAugmentation,
   IWebSocketConduitAugmentation,
   IWebSocketMemoryAugmentation
-} from './types/augmentations.js'
+} from './types/augmentations.ts'
 
 // Export graph types
 import type {
@@ -169,8 +169,8 @@ import type {
   Event,
   Concept,
   Content
-} from './types/graphTypes.js'
-import { NounType, VerbType } from './types/graphTypes.js'
+} from './types/graphTypes.ts'
+import { NounType, VerbType } from './types/graphTypes.ts'
 export type {
   GraphNoun,
   GraphVerb,
diff --git a/src/storage/fileSystemStorage.ts b/src/storage/fileSystemStorage.ts
index 26399f66..c79ece06 100644
--- a/src/storage/fileSystemStorage.ts
+++ b/src/storage/fileSystemStorage.ts
@@ -1,4 +1,4 @@
-import { Edge, HNSWNode, StorageAdapter } from '../coreTypes.js'
+import { Edge, HNSWNode, StorageAdapter } from '../coreTypes.ts'
 
 // We'll dynamically import Node.js built-in modules
 let fs: any
diff --git a/src/storage/opfsStorage.ts b/src/storage/opfsStorage.ts
index 6b2f71b8..2826e846 100644
--- a/src/storage/opfsStorage.ts
+++ b/src/storage/opfsStorage.ts
@@ -3,7 +3,7 @@
  * Provides persistent storage for the vector database using the Origin Private File System API
  */
 
-import { Edge, HNSWNode, StorageAdapter } from '../coreTypes.js'
+import { Edge, HNSWNode, StorageAdapter } from '../coreTypes.ts'
 
 // Directory and file names
 const ROOT_DIR = 'opfs-vector-db'
@@ -902,7 +902,7 @@ export async function createStorage(options: {
   if (isNode) {
     // In Node.js, use FileSystemStorage first, then fall back to memory
     try {
-      const fileSystemModule = await import('./fileSystemStorage.js')
+      const fileSystemModule = await import('./fileSystemStorage.ts')
       return new fileSystemModule.FileSystemStorage()
     } catch (error) {
       console.warn('Failed to load FileSystemStorage, falling back to in-memory storage:', error)
@@ -928,7 +928,7 @@ export async function createStorage(options: {
       try {
         // Try to load FileSystemStorage for browser environments
         // Note: This will likely fail as FileSystemStorage is designed for Node.js
-        const fileSystemModule = await import('./fileSystemStorage.js')
+        const fileSystemModule = await import('./fileSystemStorage.ts')
         return new fileSystemModule.FileSystemStorage()
       } catch (error) {
         console.warn('FileSystem storage is not available, falling back to in-memory storage')
diff --git a/src/utils/distance.ts b/src/utils/distance.ts
index 6cd71c81..8bb29858 100644
--- a/src/utils/distance.ts
+++ b/src/utils/distance.ts
@@ -2,7 +2,7 @@
  * Distance functions for vector similarity calculations
  */
 
-import { DistanceFunction, Vector } from '../coreTypes.js'
+import { DistanceFunction, Vector } from '../coreTypes.ts'
 
 /**
  * Calculates the Euclidean distance between two vectors
diff --git a/src/utils/embedding.ts b/src/utils/embedding.ts
index 7445b121..5a2df8d7 100644
--- a/src/utils/embedding.ts
+++ b/src/utils/embedding.ts
@@ -2,7 +2,7 @@
  * Embedding functions for converting data to vectors
  */
 
-import { EmbeddingFunction, EmbeddingModel, Vector } from '../coreTypes.js'
+import { EmbeddingFunction, EmbeddingModel, Vector } from '../coreTypes.ts'
 
 /**
  * Simple character-based embedding function
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 11db368e..97935fc8 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,2 +1,2 @@
-export * from './distance.js'
-export * from './embedding.js'
+export * from './distance.ts'
+export * from './embedding.ts'
diff --git a/tsconfig.json b/tsconfig.json
index 9949368e..64b185c0 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,7 +14,7 @@
     ],
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
-    "allowImportingTsExtensions": false,
+    "allowImportingTsExtensions": true,
     "noEmit": false,
     "preserveConstEnums": true,
     "sourceMap": true