feat(editor): Surface used data tables and bound credentials in Artifacts panel

packages/@n8n/api-types/src/index.ts

@@ -348,6 +348,9 @@ export type {
 	InstanceAiAgentNode,
 	InstanceAiTimelineEntry,
 	InstanceAiMessage,
+	InstanceAiReferencedDataTable,
+	InstanceAiAppliedCredential,
+	InstanceAiWorkflowReferences,
 	InstanceAiThreadSummary,
 	InstanceAiSSEConnectionState,
 	InstanceAiThreadInfo,

packages/@n8n/api-types/src/schemas/instance-ai.schema.ts

@@ -1030,6 +1030,28 @@ export class InstanceAiEvalExecutionRequest extends Z.class({
 	scenarioHints: z.string().max(2000).optional(),
 }) {}
 
+// ---------------------------------------------------------------------------
+// Workflow references
+// ---------------------------------------------------------------------------
+
+export interface InstanceAiReferencedDataTable {
+	id: string;
+	name: string;
+	projectId: string;
+}
+
+export interface InstanceAiAppliedCredential {
+	id: string;
+	name: string;
+	credentialType: string;
+}
+
+export interface InstanceAiWorkflowReferences {
+	workflowId: string;
+	referencedDataTables: InstanceAiReferencedDataTable[];
+	appliedCredentials: InstanceAiAppliedCredential[];
+}
+
 // ---------------------------------------------------------------------------
 // Sub-agent evaluation endpoint
 // ---------------------------------------------------------------------------

packages/@n8n/instance-ai/src/tools/attachments/__tests__/parse-file.tool.test.ts

@@ -46,6 +46,7 @@ function createMockContext(overrides?: Partial<InstanceAiContext>): InstanceAiCo
 			listSearchable: jest.fn(),
 		},
 		dataTableService: {
+			get: jest.fn(),
 			list: jest.fn(),
 			create: jest.fn(),
 			delete: jest.fn(),

packages/@n8n/instance-ai/src/tools/workflows.tool.ts

@@ -10,6 +10,7 @@ import { z } from 'zod';
 import { sanitizeInputSchema } from '../agent/sanitize-mcp-schemas';
 import type { InstanceAiContext } from '../types';
 import { formatTimestamp } from '../utils/format-timestamp';
+import { resolveReferences } from './workflows/resolve-references';
 import { setupSuspendSchema, setupResumeSchema } from './workflows/setup-workflow.schema';
 import {
 	analyzeWorkflow,
@@ -401,6 +402,11 @@ async function handleSetup(
 		const allFailedNodes = [...(failedNodes ?? []), ...credTestFailures];
 		const mergedFailedNodes = allFailedNodes.length > 0 ? allFailedNodes : undefined;
 
+		const references = await resolveReferences(context, input.workflowId, {
+			excludeNodeNames: credFailedNodeNames,
+			nodes: updatedWorkflow.nodes,
+		});
+
 		if (pendingRequests.length > 0) {
 			const skippedNodes = pendingRequests.map((r) => ({
 				nodeName: r.node.name,
@@ -415,6 +421,7 @@ async function handleSetup(
 				failedNodes: mergedFailedNodes,
 				updatedNodes,
 				updatedConnections,
+				...(references ? { references } : {}),
 			};
 		}
 
@@ -424,6 +431,7 @@ async function handleSetup(
 			failedNodes: mergedFailedNodes,
 			updatedNodes,
 			updatedConnections,
+			...(references ? { references } : {}),
 		};
 	} catch (error) {
 		return {

packages/@n8n/instance-ai/src/tools/workflows/__tests__/setup-workflow.service.test.ts

@@ -51,6 +51,7 @@ function createMockContext(overrides?: Partial<InstanceAiContext>): InstanceAiCo
 			listSearchable: jest.fn(),
 		},
 		dataTableService: {
+			get: jest.fn(),
 			list: jest.fn(),
 			create: jest.fn(),
 			delete: jest.fn(),

packages/@n8n/instance-ai/src/tools/workflows/build-workflow.tool.ts

@@ -3,6 +3,7 @@ import { generateWorkflowCode, layoutWorkflowJSON } from '@n8n/workflow-sdk';
 import { z } from 'zod';
 
 import { buildCredentialMap, resolveCredentials } from './resolve-credentials';
+import { resolveReferences } from './resolve-references';
 import { stripStaleCredentialsFromWorkflow } from './setup-workflow.service';
 import { ensureWebhookIds } from './submit-workflow.tool';
 import type { InstanceAiContext } from '../../types';
@@ -65,6 +66,17 @@ export function createBuildWorkflowTool(context: InstanceAiContext) {
 			workflowId: z.string().optional(),
 			errors: z.array(z.string()).optional(),
 			warnings: z.array(z.string()).optional(),
+			references: z
+				.object({
+					workflowId: z.string(),
+					referencedDataTables: z.array(
+						z.object({ id: z.string(), name: z.string(), projectId: z.string() }),
+					),
+					appliedCredentials: z.array(
+						z.object({ id: z.string(), name: z.string(), credentialType: z.string() }),
+					),
+				})
+				.optional(),
 		}),
 		execute: async (input: z.infer<typeof buildWorkflowInputSchema>) => {
 			const permKey = input.workflowId ? 'updateWorkflow' : 'createWorkflow';
@@ -182,27 +194,31 @@ export function createBuildWorkflowTool(context: InstanceAiContext) {
 						json,
 						projectId ? { projectId } : undefined,
 					);
+					const references = await resolveReferences(context, updated.id);
 					return {
 						success: true,
 						workflowId: updated.id,
 						warnings:
 							informational.length > 0
 								? informational.map((w) => `[${w.code}]: ${w.message}`)
 								: undefined,
+						...(references ? { references } : {}),
 					};
 				} else {
 					const created = await context.workflowService.createFromWorkflowJSON(json, {
 						...(projectId ? { projectId } : {}),
 						markAsAiTemporary: true,
 					});
 					(context.aiCreatedWorkflowIds ??= new Set<string>()).add(created.id);
+					const references = await resolveReferences(context, created.id);
 					return {
 						success: true,
 						workflowId: created.id,
 						warnings:
 							informational.length > 0
 								? informational.map((w) => `[${w.code}]: ${w.message}`)
 								: undefined,
+						...(references ? { references } : {}),
 					};
 				}
 			} catch (error) {

packages/@n8n/instance-ai/src/tools/workflows/resolve-references.ts

@@ -0,0 +1,33 @@
+import type { InstanceAiWorkflowReferences } from '@n8n/api-types';
+import type { WorkflowJSON } from '@n8n/workflow-sdk';
+
+import type { InstanceAiContext } from '../../types';
+
+export async function resolveReferences(
+	context: InstanceAiContext,
+	workflowId: string,
+	options?: { excludeNodeNames?: Set<string>; nodes?: WorkflowJSON['nodes'] },
+): Promise<InstanceAiWorkflowReferences | undefined> {
+	if (!context.getWorkflowReferences) return undefined;
+	try {
+		const references = await context.getWorkflowReferences(workflowId);
+		const exclude = options?.excludeNodeNames;
+		const nodes = options?.nodes;
+		if (!exclude || exclude.size === 0 || !nodes) return references;
+
+		const validCredIds = new Set<string>();
+		for (const node of nodes) {
+			if (node.name && exclude.has(node.name)) continue;
+			for (const cred of Object.values(node.credentials ?? {})) {
+				if (cred?.id) validCredIds.add(cred.id);
+			}
+		}
+		return {
+			...references,
+			appliedCredentials: references.appliedCredentials.filter((c) => validCredIds.has(c.id)),
+		};
+	} catch (error) {
+		context.logger?.warn?.('getWorkflowReferences failed', { error });
+		return undefined;
+	}
+}

packages/@n8n/instance-ai/src/tools/workflows/submit-workflow.tool.ts

@@ -15,6 +15,7 @@ import { createHash, randomUUID } from 'node:crypto';
 import { z } from 'zod';
 
 import { resolveCredentials, type CredentialMap } from './resolve-credentials';
+import { resolveReferences } from './resolve-references';
 import { stripStaleCredentialsFromWorkflow } from './setup-workflow.service';
 import type { InstanceAiContext } from '../../types';
 import type { ValidationWarning } from '../../workflow-builder';
@@ -162,6 +163,17 @@ export const submitWorkflowOutputSchema = z.object({
 	verificationPinData: z.record(z.array(z.record(z.unknown()))).optional(),
 	errors: z.array(z.string()).optional(),
 	warnings: z.array(z.string()).optional(),
+	references: z
+		.object({
+			workflowId: z.string(),
+			referencedDataTables: z.array(
+				z.object({ id: z.string(), name: z.string(), projectId: z.string() }),
+			),
+			appliedCredentials: z.array(
+				z.object({ id: z.string(), name: z.string(), credentialType: z.string() }),
+			),
+		})
+		.optional(),
 });
 
 export type SubmitWorkflowInput = z.infer<typeof submitWorkflowInputSchema>;
@@ -401,6 +413,7 @@ export function createSubmitWorkflowTool(
 						: undefined,
 				hasUnresolvedPlaceholders: hasPlaceholders || undefined,
 			});
+			const references = await resolveReferences(context, savedId);
 			return {
 				success: true,
 				workflowId: savedId,
@@ -418,6 +431,7 @@ export function createSubmitWorkflowTool(
 					informational.length > 0
 						? informational.map((w) => `[${w.code}]: ${w.message}`)
 						: undefined,
+				...(references ? { references } : {}),
 			};
 		},
 	});

packages/@n8n/instance-ai/src/types.ts

@@ -7,6 +7,7 @@ import type {
 	TaskList,
 	InstanceAiAttachment,
 	InstanceAiPermissions,
+	InstanceAiWorkflowReferences,
 	McpTool,
 	McpToolCallRequest,
 	McpToolCallResult,
@@ -371,6 +372,7 @@ export interface DataTableFilterInput {
 // ── Data table service ───────────────────────────────────────────────────────
 
 export interface InstanceAiDataTableService {
+	get(dataTableId: string): Promise<DataTableSummary>;
 	list(options?: { projectId?: string }): Promise<DataTableSummary[]>;
 	create(
 		name: string,
@@ -565,6 +567,7 @@ export interface InstanceAiContext {
 	currentUserAttachments?: InstanceAiAttachment[];
 	/** Optional logger for diagnostics from domain tools. */
 	logger?: Logger;
+	getWorkflowReferences?(workflowId: string): Promise<InstanceAiWorkflowReferences>;
 }
 
 // ── Task storage ─────────────────────────────────────────────────────────────