diff --git a/sim/blocks/blocks/google_sheets.ts b/sim/blocks/blocks/google_sheets.ts
index 3da55297b9..7f1ee8d4eb 100644
--- a/sim/blocks/blocks/google_sheets.ts
+++ b/sim/blocks/blocks/google_sheets.ts
@@ -82,7 +82,7 @@ export const GoogleSheetsBlock: BlockConfig<GoogleSheetsResponse> = {
       title: 'Values',
       type: 'long-input',
       layout: 'full',
-      placeholder: 'Enter values as JSON array of arrays (e.g., [["A1", "B1"], ["A2", "B2"]])',
+      placeholder: 'Enter values as JSON array of arrays (e.g., [["A1", "B1"], ["A2", "B2"]]) or an array of objects (e.g., [{"name":"John", "age":30}, {"name":"Jane", "age":25}])',
       condition: { field: 'operation', value: 'write' },
     },
     {
@@ -102,7 +102,7 @@ export const GoogleSheetsBlock: BlockConfig<GoogleSheetsResponse> = {
       title: 'Values',
       type: 'long-input',
       layout: 'full',
-      placeholder: 'Enter values as JSON array of arrays (e.g., [["A1", "B1"], ["A2", "B2"]])',
+      placeholder: 'Enter values as JSON array of arrays (e.g., [["A1", "B1"], ["A2", "B2"]]) or an array of objects (e.g., [{"name":"John", "age":30}, {"name":"Jane", "age":25}])',
       condition: { field: 'operation', value: 'update' },
     },
     {
@@ -122,7 +122,7 @@ export const GoogleSheetsBlock: BlockConfig<GoogleSheetsResponse> = {
       title: 'Values',
       type: 'long-input',
       layout: 'full',
-      placeholder: 'Enter values as JSON array of arrays (e.g., [["A1", "B1"], ["A2", "B2"]])',
+      placeholder: 'Enter values as JSON array of arrays (e.g., [["A1", "B1"], ["A2", "B2"]]) or an array of objects (e.g., [{"name":"John", "age":30}, {"name":"Jane", "age":25}])',
       condition: { field: 'operation', value: 'append' },
     },
     {
diff --git a/sim/tools/google_sheets/append.ts b/sim/tools/google_sheets/append.ts
index 67f5ad5e82..ee96aee245 100644
--- a/sim/tools/google_sheets/append.ts
+++ b/sim/tools/google_sheets/append.ts
@@ -78,8 +78,40 @@ export const appendTool: ToolConfig<GoogleSheetsToolParams, GoogleSheetsAppendRe
         }
       }
       
-      // Validate that processedValues is actually an array of arrays
-      if (!Array.isArray(processedValues)) {
+      // New logic to handle array of objects
+      if (Array.isArray(processedValues) && processedValues.length > 0 && typeof processedValues[0] === 'object' && !Array.isArray(processedValues[0])) {
+        // It's an array of objects
+        
+        // First, extract all unique keys from all objects to create headers
+        const allKeys = new Set<string>()
+        processedValues.forEach((obj: any) => {
+          if (obj && typeof obj === 'object') {
+            Object.keys(obj).forEach(key => allKeys.add(key))
+          }
+        })
+        const headers = Array.from(allKeys)
+        
+        // Then create rows with object values in the order of headers
+        const rows = processedValues.map((obj: any) => {
+          if (!obj || typeof obj !== 'object') {
+            // Handle non-object items by creating an array with empty values
+            return Array(headers.length).fill('')
+          }
+          return headers.map(key => {
+            const value = obj[key]
+            // Handle nested objects/arrays by converting to JSON string
+            if (value !== null && typeof value === 'object') {
+              return JSON.stringify(value)
+            }
+            return value === undefined ? '' : value
+          })
+        })
+        
+        // Add headers as the first row, then add data rows
+        processedValues = [headers, ...rows]
+      }
+      // Continue with existing logic for other array types
+      else if (!Array.isArray(processedValues)) {
         processedValues = [[String(processedValues)]]
       } else if (!processedValues.every((item: any) => Array.isArray(item))) {
         // If it's an array but not all elements are arrays, wrap each element
diff --git a/sim/tools/google_sheets/update.ts b/sim/tools/google_sheets/update.ts
index 8b874a6609..159abe1506 100644
--- a/sim/tools/google_sheets/update.ts
+++ b/sim/tools/google_sheets/update.ts
@@ -44,9 +44,44 @@ export const updateTool: ToolConfig<GoogleSheetsToolParams, GoogleSheetsUpdateRe
       'Content-Type': 'application/json',
     }),
     body: (params) => {
+      let processedValues: any = params.values || []
+
+      // Handle array of objects
+      if (Array.isArray(processedValues) && processedValues.length > 0 && typeof processedValues[0] === 'object' && !Array.isArray(processedValues[0])) {
+        // It's an array of objects
+        
+        // First, extract all unique keys from all objects to create headers
+        const allKeys = new Set<string>()
+        processedValues.forEach((obj: any) => {
+          if (obj && typeof obj === 'object') {
+            Object.keys(obj).forEach(key => allKeys.add(key))
+          }
+        })
+        const headers = Array.from(allKeys)
+        
+        // Then create rows with object values in the order of headers
+        const rows = processedValues.map((obj: any) => {
+          if (!obj || typeof obj !== 'object') {
+            // Handle non-object items by creating an array with empty values
+            return Array(headers.length).fill('')
+          }
+          return headers.map(key => {
+            const value = obj[key]
+            // Handle nested objects/arrays by converting to JSON string
+            if (value !== null && typeof value === 'object') {
+              return JSON.stringify(value)
+            }
+            return value === undefined ? '' : value
+          })
+        })
+        
+        // Add headers as the first row, then add data rows
+        processedValues = [headers, ...rows]
+      }
+      
       const body: Record<string, any> = {
         majorDimension: params.majorDimension || 'ROWS',
-        values: params.values || [],
+        values: processedValues,
       }
 
       // Only include range if it's provided
diff --git a/sim/tools/google_sheets/write.ts b/sim/tools/google_sheets/write.ts
index 12ceb8acb1..d755fe1c84 100644
--- a/sim/tools/google_sheets/write.ts
+++ b/sim/tools/google_sheets/write.ts
@@ -44,9 +44,44 @@ export const writeTool: ToolConfig<GoogleSheetsToolParams, GoogleSheetsWriteResp
       'Content-Type': 'application/json',
     }),
     body: (params) => {
+      let processedValues: any = params.values || []
+
+      // Handle array of objects
+      if (Array.isArray(processedValues) && processedValues.length > 0 && typeof processedValues[0] === 'object' && !Array.isArray(processedValues[0])) {
+        // It's an array of objects
+        
+        // First, extract all unique keys from all objects to create headers
+        const allKeys = new Set<string>()
+        processedValues.forEach((obj: any) => {
+          if (obj && typeof obj === 'object') {
+            Object.keys(obj).forEach(key => allKeys.add(key))
+          }
+        })
+        const headers = Array.from(allKeys)
+        
+        // Then create rows with object values in the order of headers
+        const rows = processedValues.map((obj: any) => {
+          if (!obj || typeof obj !== 'object') {
+            // Handle non-object items by creating an array with empty values
+            return Array(headers.length).fill('')
+          }
+          return headers.map(key => {
+            const value = obj[key]
+            // Handle nested objects/arrays by converting to JSON string
+            if (value !== null && typeof value === 'object') {
+              return JSON.stringify(value)
+            }
+            return value === undefined ? '' : value
+          })
+        })
+        
+        // Add headers as the first row, then add data rows
+        processedValues = [headers, ...rows]
+      }
+      
       const body: Record<string, any> = {
         majorDimension: params.majorDimension || 'ROWS',
-        values: params.values || [],
+        values: processedValues,
       }
 
       // Only include range if it's provided