diff --git a/packages/monaco-json-interpolation/src/index.ts b/packages/monaco-json-interpolation/src/index.ts
index b8d59c9f..43a06bea 100644
--- a/packages/monaco-json-interpolation/src/index.ts
+++ b/packages/monaco-json-interpolation/src/index.ts
@@ -1,6 +1,7 @@
 /*---------------------------------------------------------------------------------------------
  *  Monaco JSON Interpolation
  *  Standalone add-on for Monaco Editor providing JSON with ${...} variable interpolation
+ *  Integrates with Monaco's built-in JSON language service for full functionality
  *--------------------------------------------------------------------------------------------*/
 
 import * as monaco from 'monaco-editor';
@@ -94,7 +95,11 @@ class LanguageServiceDefaultsImpl implements LanguageServiceDefaults {
 			documentSymbols: true,
 			tokens: true,
 			foldingRanges: true,
-			diagnostics: true
+			diagnostics: true,
+			documentFormattingEdits: true,
+			documentRangeFormattingEdits: true,
+			selectionRanges: true,
+			colors: true
 		};
 	}
 
@@ -134,174 +139,630 @@ class LanguageServiceDefaultsImpl implements LanguageServiceDefaults {
 	}
 }
 
+// --- Helper to get JSON worker ---
+
+type JSONWorker = {
+	doComplete(uri: string, position: { lineNumber: number; column: number }): Promise<monaco.languages.CompletionList | null>;
+	doHover(uri: string, position: { line: number; character: number }): Promise<{ contents: { kind: string; value: string }[]; range?: any } | null>;
+	doValidation(uri: string): Promise<any[]>;
+	format(uri: string, range: any, options: any): Promise<any[]>;
+	findDocumentSymbols(uri: string): Promise<any[]>;
+	getFoldingRanges(uri: string): Promise<any[]>;
+	getSelectionRanges(uri: string, positions: any[]): Promise<any[]>;
+	findDocumentColors(uri: string): Promise<any[]>;
+	getColorPresentations(uri: string, color: any, range: any): Promise<any[]>;
+};
+
+async function getJSONWorker(resource: monaco.Uri): Promise<JSONWorker | null> {
+	// Access Monaco's built-in JSON language service
+	const json = (monaco.languages as any).json;
+	if (!json || !json.getWorker) {
+		console.warn('monaco-json-interpolation: JSON language service not available');
+		return null;
+	}
+
+	try {
+		const getWorker = await json.getWorker();
+		const worker = await getWorker(resource);
+		return worker;
+	} catch (e) {
+		console.warn('monaco-json-interpolation: Failed to get JSON worker', e);
+		return null;
+	}
+}
+
+// --- Check if position is inside interpolation ---
+
+function isInsideInterpolation(model: monaco.editor.ITextModel, position: monaco.Position): boolean {
+	const textUntilPosition = model.getValueInRange({
+		startLineNumber: 1,
+		startColumn: 1,
+		endLineNumber: position.lineNumber,
+		endColumn: position.column
+	});
+
+	const lastInterpolationStart = textUntilPosition.lastIndexOf('${');
+	if (lastInterpolationStart === -1) {
+		return false;
+	}
+
+	const afterInterpolationStart = textUntilPosition.substring(lastInterpolationStart);
+	return !afterInterpolationStart.includes('}');
+}
+
 // --- Providers ---
 
 function registerProviders(defaults: LanguageServiceDefaultsImpl): void {
-	// Variable completion provider
+	// Completion provider - combines JSON completions with variable completions
 	monaco.languages.registerCompletionItemProvider(LANGUAGE_ID, {
-		triggerCharacters: ['$', '{'],
+		triggerCharacters: ['"', ':', ' ', '$', '{'],
 
 		async provideCompletionItems(
 			model: monaco.editor.ITextModel,
-			position: monaco.Position
+			position: monaco.Position,
+			context: monaco.languages.CompletionContext
 		): Promise<monaco.languages.CompletionList | null> {
-			const variableContext = defaults.variableContext;
-			if (!variableContext) {
+			// Check if we're inside an interpolation
+			if (isInsideInterpolation(model, position)) {
+				// Provide variable completions
+				const variableContext = defaults.variableContext;
+				if (variableContext) {
+					const variables = await variableContext.getVariables();
+					const wordInfo = model.getWordUntilPosition(position);
+					const range = {
+						startLineNumber: position.lineNumber,
+						startColumn: wordInfo.startColumn,
+						endLineNumber: position.lineNumber,
+						endColumn: wordInfo.endColumn
+					};
+
+					const suggestions: monaco.languages.CompletionItem[] = variables.map((variable) => ({
+						label: variable.name,
+						kind: monaco.languages.CompletionItemKind.Variable,
+						detail: variable.detail || variable.type,
+						documentation: formatDocumentation(variable),
+						insertText: variable.name,
+						range: range
+					}));
+
+					return { suggestions };
+				}
 				return null;
 			}
 
-			// Check if we're inside an interpolation ${...}
-			const textUntilPosition = model.getValueInRange({
-				startLineNumber: 1,
-				startColumn: 1,
-				endLineNumber: position.lineNumber,
-				endColumn: position.column
-			});
-
-			const lastInterpolationStart = textUntilPosition.lastIndexOf('${');
-			if (lastInterpolationStart === -1) {
+			// Get JSON completions from the worker
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
 				return null;
 			}
 
-			const afterInterpolationStart = textUntilPosition.substring(lastInterpolationStart);
-			if (afterInterpolationStart.includes('}')) {
+			try {
+				const info = await worker.doComplete(model.uri.toString(), {
+					lineNumber: position.lineNumber,
+					column: position.column
+				});
+
+				if (!info) {
+					return null;
+				}
+
+				// Convert LSP completions to Monaco completions
+				const suggestions: monaco.languages.CompletionItem[] = (info.items || []).map((item: any) => ({
+					label: item.label,
+					kind: convertCompletionItemKind(item.kind),
+					detail: item.detail,
+					documentation: item.documentation,
+					insertText: item.insertText || item.label,
+					insertTextRules: item.insertTextFormat === 2
+						? monaco.languages.CompletionItemInsertTextRule.InsertAsSnippet
+						: undefined,
+					range: item.textEdit?.range ? convertRange(item.textEdit.range) : undefined,
+					sortText: item.sortText,
+					filterText: item.filterText
+				}));
+
+				return { suggestions, incomplete: info.isIncomplete || false };
+			} catch (e) {
+				console.error('JSON completion error:', e);
 				return null;
 			}
-
-			const variables = await variableContext.getVariables();
-			const wordInfo = model.getWordUntilPosition(position);
-			const range = {
-				startLineNumber: position.lineNumber,
-				startColumn: wordInfo.startColumn,
-				endLineNumber: position.lineNumber,
-				endColumn: wordInfo.endColumn
-			};
-
-			const suggestions: monaco.languages.CompletionItem[] = variables.map((variable) => ({
-				label: variable.name,
-				kind: monaco.languages.CompletionItemKind.Variable,
-				detail: variable.detail || variable.type,
-				documentation: formatDocumentation(variable),
-				insertText: variable.name,
-				range: range
-			}));
-
-			return { suggestions };
 		}
 	});
 
-	// Variable hover provider
+	// Hover provider - combines JSON hover with variable hover
 	monaco.languages.registerHoverProvider(LANGUAGE_ID, {
 		async provideHover(
 			model: monaco.editor.ITextModel,
 			position: monaco.Position
 		): Promise<monaco.languages.Hover | null> {
-			const variableContext = defaults.variableContext;
-			if (!variableContext) {
-				return null;
-			}
+			// Check if we're inside an interpolation
+			if (isInsideInterpolation(model, position)) {
+				const variableContext = defaults.variableContext;
+				if (variableContext) {
+					const wordInfo = model.getWordAtPosition(position);
+					if (wordInfo) {
+						const variables = await variableContext.getVariables();
+						const variable = variables.find((v) => v.name === wordInfo.word);
 
-			const line = model.getLineContent(position.lineNumber);
-			const offset = position.column - 1;
+						if (variable) {
+							const contents: monaco.IMarkdownString[] = [];
 
-			// Find interpolation boundaries
-			let inInterpolation = false;
-			let interpStart = -1;
+							if (variable.type) {
+								contents.push({
+									value: `\`\`\`typescript\n(variable) ${variable.name}: ${variable.type}\n\`\`\``
+								});
+							} else {
+								contents.push({
+									value: `\`\`\`typescript\n(variable) ${variable.name}\n\`\`\``
+								});
+							}
 
-			for (let i = 0; i < line.length - 1; i++) {
-				if (line[i] === '$' && line[i + 1] === '{') {
-					if (i < offset) {
-						inInterpolation = true;
-						interpStart = i + 2;
-					}
-				} else if (line[i] === '}' && inInterpolation) {
-					if (i >= offset) {
-						break;
-					}
-					inInterpolation = false;
-				}
-			}
+							if (variable.description) {
+								contents.push({ value: variable.description });
+							}
 
-			if (!inInterpolation || interpStart === -1) {
-				return null;
-			}
+							if (variable.value !== undefined) {
+								contents.push({
+									value: `**Current value:**\n\`\`\`json\n${JSON.stringify(variable.value, null, 2)}\n\`\`\``
+								});
+							}
 
-			const wordInfo = model.getWordAtPosition(position);
-			if (!wordInfo) {
-				return null;
-			}
-
-			const variableName = wordInfo.word;
-			const variables = await variableContext.getVariables();
-			const variable = variables.find((v) => v.name === variableName);
-
-			if (!variable) {
-				return null;
-			}
-
-			const contents: monaco.IMarkdownString[] = [];
-
-			if (variable.type) {
-				contents.push({
-					value: `\`\`\`typescript\n(variable) ${variable.name}: ${variable.type}\n\`\`\``
-				});
-			} else {
-				contents.push({
-					value: `\`\`\`typescript\n(variable) ${variable.name}\n\`\`\``
-				});
-			}
-
-			if (variable.description) {
-				contents.push({ value: variable.description });
-			}
-
-			if (variable.value !== undefined) {
-				contents.push({
-					value: `**Current value:**\n\`\`\`json\n${JSON.stringify(variable.value, null, 2)}\n\`\`\``
-				});
-			}
-
-			return {
-				contents,
-				range: {
-					startLineNumber: position.lineNumber,
-					startColumn: wordInfo.startColumn,
-					endLineNumber: position.lineNumber,
-					endColumn: wordInfo.endColumn
-				}
-			};
-		}
-	});
-
-	// Folding range provider (basic JSON-like folding)
-	monaco.languages.registerFoldingRangeProvider(LANGUAGE_ID, {
-		provideFoldingRanges(
-			model: monaco.editor.ITextModel
-		): monaco.languages.FoldingRange[] {
-			const ranges: monaco.languages.FoldingRange[] = [];
-			const stack: { char: string; line: number }[] = [];
-
-			for (let i = 1; i <= model.getLineCount(); i++) {
-				const line = model.getLineContent(i);
-				for (const char of line) {
-					if (char === '{' || char === '[') {
-						stack.push({ char, line: i });
-					} else if (char === '}' || char === ']') {
-						const open = stack.pop();
-						if (open && open.line < i) {
-							ranges.push({
-								start: open.line,
-								end: i,
-								kind: monaco.languages.FoldingRangeKind.Region
-							});
+							return {
+								contents,
+								range: {
+									startLineNumber: position.lineNumber,
+									startColumn: wordInfo.startColumn,
+									endLineNumber: position.lineNumber,
+									endColumn: wordInfo.endColumn
+								}
+							};
 						}
 					}
 				}
+				return null;
 			}
 
-			return ranges;
+			// Get JSON hover from the worker
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const info = await worker.doHover(model.uri.toString(), {
+					line: position.lineNumber - 1,
+					character: position.column - 1
+				});
+
+				if (!info) {
+					return null;
+				}
+
+				const contents: monaco.IMarkdownString[] = info.contents.map((c: any) => {
+					if (typeof c === 'string') {
+						return { value: c };
+					}
+					return { value: c.value || '' };
+				});
+
+				return {
+					contents,
+					range: info.range ? convertRange(info.range) : undefined
+				};
+			} catch (e) {
+				console.error('JSON hover error:', e);
+				return null;
+			}
 		}
 	});
+
+	// Diagnostics adapter
+	setupDiagnostics(defaults);
+
+	// Document formatting provider
+	monaco.languages.registerDocumentFormattingEditProvider(LANGUAGE_ID, {
+		async provideDocumentFormattingEdits(
+			model: monaco.editor.ITextModel,
+			options: monaco.languages.FormattingOptions
+		): Promise<monaco.languages.TextEdit[] | null> {
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const edits = await worker.format(model.uri.toString(), null, {
+					tabSize: options.tabSize,
+					insertSpaces: options.insertSpaces
+				});
+
+				return edits.map((edit: any) => ({
+					range: convertRange(edit.range),
+					text: edit.newText
+				}));
+			} catch (e) {
+				console.error('JSON formatting error:', e);
+				return null;
+			}
+		}
+	});
+
+	// Document range formatting provider
+	monaco.languages.registerDocumentRangeFormattingEditProvider(LANGUAGE_ID, {
+		async provideDocumentRangeFormattingEdits(
+			model: monaco.editor.ITextModel,
+			range: monaco.Range,
+			options: monaco.languages.FormattingOptions
+		): Promise<monaco.languages.TextEdit[] | null> {
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const edits = await worker.format(
+					model.uri.toString(),
+					{
+						start: { line: range.startLineNumber - 1, character: range.startColumn - 1 },
+						end: { line: range.endLineNumber - 1, character: range.endColumn - 1 }
+					},
+					{
+						tabSize: options.tabSize,
+						insertSpaces: options.insertSpaces
+					}
+				);
+
+				return edits.map((edit: any) => ({
+					range: convertRange(edit.range),
+					text: edit.newText
+				}));
+			} catch (e) {
+				console.error('JSON range formatting error:', e);
+				return null;
+			}
+		}
+	});
+
+	// Document symbols provider
+	monaco.languages.registerDocumentSymbolProvider(LANGUAGE_ID, {
+		async provideDocumentSymbols(
+			model: monaco.editor.ITextModel
+		): Promise<monaco.languages.DocumentSymbol[] | null> {
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const symbols = await worker.findDocumentSymbols(model.uri.toString());
+				return symbols.map(convertSymbol);
+			} catch (e) {
+				console.error('JSON symbols error:', e);
+				return null;
+			}
+		}
+	});
+
+	// Folding range provider
+	monaco.languages.registerFoldingRangeProvider(LANGUAGE_ID, {
+		async provideFoldingRanges(
+			model: monaco.editor.ITextModel
+		): Promise<monaco.languages.FoldingRange[] | null> {
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const ranges = await worker.getFoldingRanges(model.uri.toString());
+				return ranges.map((range: any) => ({
+					start: range.startLine + 1,
+					end: range.endLine + 1,
+					kind: range.kind
+				}));
+			} catch (e) {
+				console.error('JSON folding error:', e);
+				return null;
+			}
+		}
+	});
+
+	// Selection range provider
+	monaco.languages.registerSelectionRangeProvider(LANGUAGE_ID, {
+		async provideSelectionRanges(
+			model: monaco.editor.ITextModel,
+			positions: monaco.Position[]
+		): Promise<monaco.languages.SelectionRange[][] | null> {
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const lspPositions = positions.map((p) => ({
+					line: p.lineNumber - 1,
+					character: p.column - 1
+				}));
+
+				const ranges = await worker.getSelectionRanges(model.uri.toString(), lspPositions);
+				return ranges.map((rangeList: any) => {
+					const result: monaco.languages.SelectionRange[] = [];
+					let current = rangeList;
+					while (current) {
+						result.push({
+							range: convertRange(current.range)
+						});
+						current = current.parent;
+					}
+					return result;
+				});
+			} catch (e) {
+				console.error('JSON selection range error:', e);
+				return null;
+			}
+		}
+	});
+
+	// Color provider
+	monaco.languages.registerColorProvider(LANGUAGE_ID, {
+		async provideDocumentColors(
+			model: monaco.editor.ITextModel
+		): Promise<monaco.languages.IColorInformation[] | null> {
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const colors = await worker.findDocumentColors(model.uri.toString());
+				return colors.map((info: any) => ({
+					range: convertRange(info.range),
+					color: info.color
+				}));
+			} catch (e) {
+				console.error('JSON colors error:', e);
+				return null;
+			}
+		},
+
+		async provideColorPresentations(
+			model: monaco.editor.ITextModel,
+			colorInfo: monaco.languages.IColorInformation
+		): Promise<monaco.languages.IColorPresentation[] | null> {
+			const worker = await getJSONWorker(model.uri);
+			if (!worker) {
+				return null;
+			}
+
+			try {
+				const presentations = await worker.getColorPresentations(
+					model.uri.toString(),
+					colorInfo.color,
+					{
+						start: {
+							line: colorInfo.range.startLineNumber - 1,
+							character: colorInfo.range.startColumn - 1
+						},
+						end: {
+							line: colorInfo.range.endLineNumber - 1,
+							character: colorInfo.range.endColumn - 1
+						}
+					}
+				);
+
+				return presentations.map((p: any) => ({
+					label: p.label,
+					textEdit: p.textEdit
+						? {
+								range: convertRange(p.textEdit.range),
+								text: p.textEdit.newText
+						  }
+						: undefined
+				}));
+			} catch (e) {
+				console.error('JSON color presentations error:', e);
+				return null;
+			}
+		}
+	});
+}
+
+// --- Diagnostics ---
+
+function setupDiagnostics(defaults: LanguageServiceDefaultsImpl): void {
+	const listeners: { [uri: string]: monaco.IDisposable } = {};
+
+	const doValidate = async (model: monaco.editor.ITextModel) => {
+		if (model.getLanguageId() !== LANGUAGE_ID) {
+			return;
+		}
+
+		const worker = await getJSONWorker(model.uri);
+		if (!worker) {
+			return;
+		}
+
+		try {
+			const diagnostics = await worker.doValidation(model.uri.toString());
+
+			// Filter out diagnostics that overlap with interpolations
+			const text = model.getValue();
+			const filteredDiagnostics = diagnostics.filter((diag: any) => {
+				const startOffset = model.getOffsetAt({
+					lineNumber: diag.range.start.line + 1,
+					column: diag.range.start.character + 1
+				});
+				const endOffset = model.getOffsetAt({
+					lineNumber: diag.range.end.line + 1,
+					column: diag.range.end.character + 1
+				});
+
+				// Check for overlap with interpolations
+				const interpolationRegex = /\$\{[^}]*\}/g;
+				let match;
+
+				while ((match = interpolationRegex.exec(text)) !== null) {
+					const interpStart = match.index;
+					const interpEnd = interpStart + match[0].length;
+
+					if (startOffset < interpEnd && endOffset > interpStart) {
+						return false;
+					}
+				}
+
+				return true;
+			});
+
+			// Convert to Monaco markers
+			const markers: monaco.editor.IMarkerData[] = filteredDiagnostics.map((diag: any) => ({
+				severity: convertSeverity(diag.severity),
+				startLineNumber: diag.range.start.line + 1,
+				startColumn: diag.range.start.character + 1,
+				endLineNumber: diag.range.end.line + 1,
+				endColumn: diag.range.end.character + 1,
+				message: diag.message,
+				code: typeof diag.code === 'number' ? String(diag.code) : diag.code
+			}));
+
+			monaco.editor.setModelMarkers(model, LANGUAGE_ID, markers);
+		} catch (e) {
+			console.error('JSON validation error:', e);
+		}
+	};
+
+	const onModelAdd = (model: monaco.editor.ITextModel) => {
+		if (model.getLanguageId() !== LANGUAGE_ID) {
+			return;
+		}
+
+		let handle: ReturnType<typeof setTimeout>;
+		listeners[model.uri.toString()] = model.onDidChangeContent(() => {
+			clearTimeout(handle);
+			handle = setTimeout(() => doValidate(model), 500);
+		});
+
+		doValidate(model);
+	};
+
+	const onModelRemoved = (model: monaco.editor.ITextModel) => {
+		monaco.editor.setModelMarkers(model, LANGUAGE_ID, []);
+		const listener = listeners[model.uri.toString()];
+		if (listener) {
+			listener.dispose();
+			delete listeners[model.uri.toString()];
+		}
+	};
+
+	monaco.editor.onDidCreateModel(onModelAdd);
+	monaco.editor.onWillDisposeModel(onModelRemoved);
+	monaco.editor.onDidChangeModelLanguage((event) => {
+		onModelRemoved(event.model);
+		onModelAdd(event.model);
+	});
+
+	// Validate existing models
+	monaco.editor.getModels().forEach(onModelAdd);
+}
+
+// --- Conversion utilities ---
+
+function convertRange(range: any): monaco.IRange {
+	return {
+		startLineNumber: range.start.line + 1,
+		startColumn: range.start.character + 1,
+		endLineNumber: range.end.line + 1,
+		endColumn: range.end.character + 1
+	};
+}
+
+function convertSeverity(severity: number): monaco.MarkerSeverity {
+	switch (severity) {
+		case 1:
+			return monaco.MarkerSeverity.Error;
+		case 2:
+			return monaco.MarkerSeverity.Warning;
+		case 3:
+			return monaco.MarkerSeverity.Info;
+		case 4:
+			return monaco.MarkerSeverity.Hint;
+		default:
+			return monaco.MarkerSeverity.Error;
+	}
+}
+
+function convertCompletionItemKind(kind: number): monaco.languages.CompletionItemKind {
+	const kindMap: { [key: number]: monaco.languages.CompletionItemKind } = {
+		1: monaco.languages.CompletionItemKind.Text,
+		2: monaco.languages.CompletionItemKind.Method,
+		3: monaco.languages.CompletionItemKind.Function,
+		4: monaco.languages.CompletionItemKind.Constructor,
+		5: monaco.languages.CompletionItemKind.Field,
+		6: monaco.languages.CompletionItemKind.Variable,
+		7: monaco.languages.CompletionItemKind.Class,
+		8: monaco.languages.CompletionItemKind.Interface,
+		9: monaco.languages.CompletionItemKind.Module,
+		10: monaco.languages.CompletionItemKind.Property,
+		11: monaco.languages.CompletionItemKind.Unit,
+		12: monaco.languages.CompletionItemKind.Value,
+		13: monaco.languages.CompletionItemKind.Enum,
+		14: monaco.languages.CompletionItemKind.Keyword,
+		15: monaco.languages.CompletionItemKind.Snippet,
+		16: monaco.languages.CompletionItemKind.Color,
+		17: monaco.languages.CompletionItemKind.File,
+		18: monaco.languages.CompletionItemKind.Reference,
+		19: monaco.languages.CompletionItemKind.Folder,
+		20: monaco.languages.CompletionItemKind.EnumMember,
+		21: monaco.languages.CompletionItemKind.Constant,
+		22: monaco.languages.CompletionItemKind.Struct,
+		23: monaco.languages.CompletionItemKind.Event,
+		24: monaco.languages.CompletionItemKind.Operator,
+		25: monaco.languages.CompletionItemKind.TypeParameter
+	};
+	return kindMap[kind] || monaco.languages.CompletionItemKind.Property;
+}
+
+function convertSymbolKind(kind: number): monaco.languages.SymbolKind {
+	const kindMap: { [key: number]: monaco.languages.SymbolKind } = {
+		1: monaco.languages.SymbolKind.File,
+		2: monaco.languages.SymbolKind.Module,
+		3: monaco.languages.SymbolKind.Namespace,
+		4: monaco.languages.SymbolKind.Package,
+		5: monaco.languages.SymbolKind.Class,
+		6: monaco.languages.SymbolKind.Method,
+		7: monaco.languages.SymbolKind.Property,
+		8: monaco.languages.SymbolKind.Field,
+		9: monaco.languages.SymbolKind.Constructor,
+		10: monaco.languages.SymbolKind.Enum,
+		11: monaco.languages.SymbolKind.Interface,
+		12: monaco.languages.SymbolKind.Function,
+		13: monaco.languages.SymbolKind.Variable,
+		14: monaco.languages.SymbolKind.Constant,
+		15: monaco.languages.SymbolKind.String,
+		16: monaco.languages.SymbolKind.Number,
+		17: monaco.languages.SymbolKind.Boolean,
+		18: monaco.languages.SymbolKind.Array,
+		19: monaco.languages.SymbolKind.Object,
+		20: monaco.languages.SymbolKind.Key,
+		21: monaco.languages.SymbolKind.Null,
+		22: monaco.languages.SymbolKind.EnumMember,
+		23: monaco.languages.SymbolKind.Struct,
+		24: monaco.languages.SymbolKind.Event,
+		25: monaco.languages.SymbolKind.Operator,
+		26: monaco.languages.SymbolKind.TypeParameter
+	};
+	return kindMap[kind] || monaco.languages.SymbolKind.Property;
+}
+
+function convertSymbol(symbol: any): monaco.languages.DocumentSymbol {
+	return {
+		name: symbol.name,
+		detail: symbol.detail || '',
+		kind: convertSymbolKind(symbol.kind),
+		range: convertRange(symbol.range),
+		selectionRange: convertRange(symbol.selectionRange),
+		children: symbol.children ? symbol.children.map(convertSymbol) : undefined,
+		tags: symbol.tags || []
+	};
 }
 
 function formatDocumentation(
diff --git a/packages/monaco-json-interpolation/src/types.ts b/packages/monaco-json-interpolation/src/types.ts
index 5b39f154..1169d430 100644
--- a/packages/monaco-json-interpolation/src/types.ts
+++ b/packages/monaco-json-interpolation/src/types.ts
@@ -126,6 +126,26 @@ export interface ModeConfiguration {
 	 * Defines whether the built-in diagnostic provider is enabled
 	 */
 	readonly diagnostics?: boolean;
+
+	/**
+	 * Defines whether the built-in documentFormattingEdit provider is enabled
+	 */
+	readonly documentFormattingEdits?: boolean;
+
+	/**
+	 * Defines whether the built-in documentRangeFormattingEdit provider is enabled
+	 */
+	readonly documentRangeFormattingEdits?: boolean;
+
+	/**
+	 * Defines whether the built-in selectionRange provider is enabled
+	 */
+	readonly selectionRanges?: boolean;
+
+	/**
+	 * Defines whether the built-in color provider is enabled
+	 */
+	readonly colors?: boolean;
 }
 
 /**