diff --git a/packages/app-executor/bin/executor.ts b/packages/app-executor/bin/executor.ts
index 80b9d7f78..bc4df28cd 100644
--- a/packages/app-executor/bin/executor.ts
+++ b/packages/app-executor/bin/executor.ts
@@ -5,9 +5,10 @@ import {
   NodeRegistration,
   plugins as rivetPlugins,
   registerBuiltInNodes,
+  NodeDatasetProvider,
 } from '@ironclad/rivet-node';
 import * as Rivet from '@ironclad/rivet-core';
-import { RivetPluginInitializer } from '@ironclad/rivet-core';
+import { InMemoryDatasetProvider, RivetPluginInitializer } from '@ironclad/rivet-core';
 import yargs from 'yargs';
 import { hideBin } from 'yargs/helpers';
 import { P, match } from 'ts-pattern';
@@ -106,12 +107,16 @@ const rivetDebugger = startDebuggerServer({
     }
 
     try {
+      console.dir({ currentDebuggerState });
+
+      const datasetProvider = new InMemoryDatasetProvider(currentDebuggerState.datsets ?? []);
       const processor = createProcessor(project, {
         graph: graphId,
         inputs,
         ...currentDebuggerState.settings!,
         remoteDebugger: rivetDebugger,
         registry,
+        datasetProvider,
         onTrace: (trace) => {
           console.log(trace);
         },
diff --git a/packages/app/src/components/DataStudio.tsx b/packages/app/src/components/DataStudio.tsx
index 27e97bfc5..c77b4d060 100644
--- a/packages/app/src/components/DataStudio.tsx
+++ b/packages/app/src/components/DataStudio.tsx
@@ -1,13 +1,12 @@
-import { FC, useEffect, useState } from 'react';
+import { FC, useState } from 'react';
 import { useRecoilState, useRecoilValue } from 'recoil';
 import { overlayOpenState } from '../state/ui';
 import { css } from '@emotion/react';
 import { projectState } from '../state/savedGraphs';
 import { ErrorBoundary } from 'react-error-boundary';
-import useIndexedDb from '../hooks/useIndexedDb';
 import { selectedDatasetState } from '../state/dataStudio';
 import { toast } from 'react-toastify';
-import { Dataset, DatasetId, DatasetMetadata, DatasetRow, getError, newId } from '@ironclad/rivet-core';
+import { DatasetId, DatasetMetadata, DatasetRow, getError, newId } from '@ironclad/rivet-core';
 import Button from '@atlaskit/button';
 import TextField from '@atlaskit/textfield';
 import clsx from 'clsx';
@@ -27,7 +26,7 @@ export const DataStudioRenderer: FC = () => {
   if (openOverlay !== 'dataStudio') return null;
 
   return (
-    <ErrorBoundary fallback={null}>
+    <ErrorBoundary fallbackRender={() => 'Failed to render Data Studio'}>
       <DataStudio onClose={() => setOpenOverlay(undefined)} />
     </ErrorBoundary>
   );
diff --git a/packages/app/src/components/PromptDesigner.tsx b/packages/app/src/components/PromptDesigner.tsx
index bb8e23bf4..579fbfdbb 100644
--- a/packages/app/src/components/PromptDesigner.tsx
+++ b/packages/app/src/components/PromptDesigner.tsx
@@ -51,6 +51,7 @@ import { toast } from 'react-toastify';
 import { produce } from 'immer';
 import { overlayOpenState } from '../state/ui';
 import { BrowserDatasetProvider } from '../io/BrowserDatasetProvider';
+import { datasetProvider } from '../utils/globals';
 
 const styles = css`
   position: fixed;
@@ -987,7 +988,7 @@ async function runAdHocChat(messages: ChatMessage[], config: AdHocChatConfig) {
         createSubProcessor: undefined!,
         settings,
         nativeApi: new TauriNativeApi(),
-        datasetProvider: new BrowserDatasetProvider(),
+        datasetProvider,
         processId: nanoid() as ProcessId,
         executionCache: new Map(),
         externalFunctions: {},
@@ -1045,7 +1046,7 @@ function useRunTestGroup() {
     const outputs = await processor.processGraph(
       {
         nativeApi: new TauriNativeApi(),
-        datasetProvider: new BrowserDatasetProvider(),
+        datasetProvider,
         settings,
       },
       {
diff --git a/packages/app/src/hooks/useLocalExecutor.ts b/packages/app/src/hooks/useLocalExecutor.ts
index 13608b1b4..ebbf2e316 100644
--- a/packages/app/src/hooks/useLocalExecutor.ts
+++ b/packages/app/src/hooks/useLocalExecutor.ts
@@ -25,6 +25,7 @@ import { fillMissingSettingsFromEnvironmentVariables } from '../utils/tauri';
 import { trivetState } from '../state/trivet';
 import { runTrivet } from '@ironclad/trivet';
 import { BrowserDatasetProvider } from '../io/BrowserDatasetProvider';
+import { datasetProvider } from '../utils/globals';
 
 export function useLocalExecutor() {
   const project = useRecoilValue(projectState);
@@ -129,7 +130,7 @@ export function useLocalExecutor() {
               globalRivetNodeRegistry.getPlugins(),
             ),
             nativeApi: new TauriNativeApi(),
-            datasetProvider: new BrowserDatasetProvider(),
+            datasetProvider,
           });
         }
 
@@ -187,7 +188,7 @@ export function useLocalExecutor() {
                   globalRivetNodeRegistry.getPlugins(),
                 ),
                 nativeApi: new TauriNativeApi(),
-                datasetProvider: new BrowserDatasetProvider(),
+                datasetProvider,
               },
               inputs,
             );
diff --git a/packages/app/src/hooks/useRemoteExecutor.ts b/packages/app/src/hooks/useRemoteExecutor.ts
index 5dc0c6128..046dfecf3 100644
--- a/packages/app/src/hooks/useRemoteExecutor.ts
+++ b/packages/app/src/hooks/useRemoteExecutor.ts
@@ -4,6 +4,7 @@ import {
   ProcessEvents,
   StringArrayDataValue,
   globalRivetNodeRegistry,
+  serializeDatasets,
 } from '@ironclad/rivet-core';
 import { useCurrentExecution } from './useCurrentExecution';
 import { useRecoilState, useRecoilValue, useSetRecoilState } from 'recoil';
@@ -21,6 +22,7 @@ import { userInputModalQuestionsState, userInputModalSubmitState } from '../stat
 import { pluginsState } from '../state/plugins';
 import { entries } from '../../../core/src/utils/typeSafety';
 import { selectedExecutorState } from '../state/execution';
+import { datasetProvider } from '../utils/globals';
 
 // TODO: This allows us to retrieve the GraphOutputs from the remote debugger.
 // If the remote debugger events had a unique ID for each run, this would feel a lot less hacky.
@@ -146,6 +148,7 @@ export function useRemoteExecutor() {
             savedSettings,
             globalRivetNodeRegistry.getPlugins(),
           ),
+          datasets: serializeDatasets(await datasetProvider.exportDatasetsForProject(project.metadata.id)),
         });
 
         for (const [id, dataValue] of entries(projectData)) {
@@ -208,6 +211,7 @@ export function useRemoteExecutor() {
                   savedSettings,
                   globalRivetNodeRegistry.getPlugins(),
                 ),
+                datasets: await datasetProvider.exportDatasetsForProject(project.metadata.id),
               });
             }
 
diff --git a/packages/app/src/io/BrowserDatasetProvider.ts b/packages/app/src/io/BrowserDatasetProvider.ts
index f615bce9b..34137b0d7 100644
--- a/packages/app/src/io/BrowserDatasetProvider.ts
+++ b/packages/app/src/io/BrowserDatasetProvider.ts
@@ -52,7 +52,7 @@ export class BrowserDatasetProvider implements DatasetProvider {
       };
       cursorRequest.onsuccess = () => {
         const cursor = cursorRequest.result;
-        if (cursor) {
+        if (cursor?.value) {
           const dataset = cursor.value as DatasetMetadata;
           if (dataset.projectId === projectId) {
             metadata.push(dataset);
@@ -127,6 +127,14 @@ export class BrowserDatasetProvider implements DatasetProvider {
 
     if (matchingDataset) {
       matchingDataset.meta = metadata;
+    } else {
+      this.#currentProjectDatasets.push({
+        meta: metadata,
+        data: {
+          id: metadata.id,
+          rows: [],
+        },
+      });
     }
 
     // Sync the database
diff --git a/packages/core/src/model/nodes/ReadDirectoryNode.ts b/packages/core/src/model/nodes/ReadDirectoryNode.ts
index 5e74bf686..e082cbba3 100644
--- a/packages/core/src/model/nodes/ReadDirectoryNode.ts
+++ b/packages/core/src/model/nodes/ReadDirectoryNode.ts
@@ -147,6 +147,12 @@ export class ReadDirectoryNodeImpl extends NodeImpl<ReadDirectoryNode> {
   }
 
   async process(inputData: Inputs, context: InternalProcessContext): Promise<Outputs> {
+    const { nativeApi } = context;
+
+    if (nativeApi == null) {
+      throw new Error('This node requires a native API to run.');
+    }
+
     const path = this.chartNode.data.usePathInput
       ? expectType(inputData['path' as PortId], 'string')
       : this.chartNode.data.path;
@@ -181,7 +187,7 @@ export class ReadDirectoryNodeImpl extends NodeImpl<ReadDirectoryNode> {
     }
 
     try {
-      const files = await context.nativeApi.readdir(path, undefined, {
+      const files = await nativeApi.readdir(path, undefined, {
         recursive,
         includeDirectories,
         filterGlobs,
diff --git a/packages/core/src/model/nodes/ReadFileNode.ts b/packages/core/src/model/nodes/ReadFileNode.ts
index 5eaf5ec3c..c4d48551e 100644
--- a/packages/core/src/model/nodes/ReadFileNode.ts
+++ b/packages/core/src/model/nodes/ReadFileNode.ts
@@ -70,12 +70,18 @@ export class ReadFileNodeImpl extends NodeImpl<ReadFileNode> {
     inputData: Record<PortId, DataValue>,
     context: InternalProcessContext,
   ): Promise<Record<PortId, DataValue>> {
+    const { nativeApi } = context;
+
+    if (nativeApi == null) {
+      throw new Error('This node requires a native API to run.');
+    }
+
     const path = this.chartNode.data.usePathInput
       ? expectType(inputData['path' as PortId], 'string')
       : this.chartNode.data.path;
 
     try {
-      const content = await context.nativeApi.readTextFile(path, undefined);
+      const content = await nativeApi.readTextFile(path, undefined);
       return {
         ['content' as PortId]: { type: 'string', value: content },
       };
diff --git a/packages/node/src/api.ts b/packages/node/src/api.ts
index d6233fbdd..d3b99abfd 100644
--- a/packages/node/src/api.ts
+++ b/packages/node/src/api.ts
@@ -1,5 +1,6 @@
 import {
   DataValue,
+  DatasetProvider,
   ExternalFunction,
   GraphId,
   GraphProcessor,
@@ -47,6 +48,7 @@ export type RunGraphOptions = {
   context?: Record<string, LooseDataValue>;
   remoteDebugger?: RivetDebuggerServer;
   nativeApi?: NativeApi;
+  datasetProvider?: DatasetProvider;
   externalFunctions?: {
     [key: string]: ExternalFunction;
   };
@@ -193,6 +195,7 @@ export function createProcessor(project: Project, options: RunGraphOptions) {
       const outputs = await processor.processGraph(
         {
           nativeApi: options.nativeApi ?? new NodeNativeApi(),
+          datasetProvider: options.datasetProvider,
           settings: {
             openAiKey: options.openAiKey ?? '',
             openAiOrganization: options.openAiOrganization ?? '',
diff --git a/packages/node/src/debugger.ts b/packages/node/src/debugger.ts
index f71a1b6d9..65b791f21 100644
--- a/packages/node/src/debugger.ts
+++ b/packages/node/src/debugger.ts
@@ -9,6 +9,8 @@ import {
   NodeId,
   StringArrayDataValue,
   DataId,
+  deserializeDatasets,
+  CombinedDataset,
 } from '@ironclad/rivet-core';
 import { match } from 'ts-pattern';
 import Emittery from 'emittery';
@@ -32,6 +34,7 @@ export interface DebuggerEvents {
 export const currentDebuggerState = {
   uploadedProject: undefined as Project | undefined,
   settings: undefined as Settings | undefined,
+  datsets: [] as CombinedDataset[] | undefined,
 };
 
 export type DynamicGraphRunOptions = {
@@ -90,9 +93,14 @@ export function startDebuggerServer(
           })
           .with({ type: 'set-dynamic-data' }, async () => {
             if (options.allowGraphUpload) {
-              const { project, settings } = message.data as { project: Project; settings: Settings };
+              const { project, settings, datasets } = message.data as {
+                project: Project;
+                settings: Settings;
+                datasets: string;
+              };
               currentDebuggerState.uploadedProject = project;
               currentDebuggerState.settings = settings;
+              currentDebuggerState.datsets = deserializeDatasets(datasets);
             }
           })
           .otherwise(async () => {
diff --git a/packages/node/src/index.ts b/packages/node/src/index.ts
index 24cf27117..4f661876b 100644
--- a/packages/node/src/index.ts
+++ b/packages/node/src/index.ts
@@ -3,3 +3,4 @@ export * from '@ironclad/rivet-core';
 export * from './native/NodeNativeApi.js';
 export * from './api.js';
 export * from './debugger.js';
+export * from './native/NodeDatasetProvider.js';