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Expose AWS Budgets API Operations to AI Agents via MCP Server

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Created by: David Ashby || cfomodz

David Ashby

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Last update 2 days ago

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Complete MCP server exposing 23 AWS Budgets API operations to AI agents.

⚡ Quick Setup

  1. Import this workflow into your n8n instance
  2. Credentials Add AWS Budgets credentials
  3. Activate the workflow to start your MCP server
  4. Copy the webhook URL from the MCP trigger node
  5. Connect AI agents using the MCP URL

🔧 How it Works

This workflow converts the AWS Budgets API into an MCP-compatible interface for AI agents.

• MCP Trigger: Serves as your server endpoint for AI agent requests
• HTTP Request Nodes: Handle API calls to https://budgets.amazonaws.com
• AI Expressions: Automatically populate parameters via $fromAI() placeholders
• Native Integration: Returns responses directly to the AI agent

📋 Available Operations (23 total)

🔧 #X-Amz-Target=Awsbudgetservicegateway.Createbudget (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.CreateBudget: <p>Creates a budget and, if included, notifications and subscribers. </p> <important> <p>Only one of <code>BudgetLimit</code> or <code>PlannedBudgetLimits</code> can be present in the syntax at one time. Use the syntax that matches your case. The Request Syntax section shows the <code>BudgetLimit</code> syntax. For <code>PlannedBudgetLimits</code>, see the <a href="https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_budgets_CreateBudget.html#API_CreateBudget_Examples">Examples</a> section. </p> </important>

🔧 #X-Amz-Target=Awsbudgetservicegateway.Createbudgetaction (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.CreateBudgetAction: Creates a budget action.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Createnotification (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.CreateNotification: Creates a notification. You must create the budget before you create the associated notification.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Createsubscriber (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.CreateSubscriber: Creates a subscriber. You must create the associated budget and notification before you create the subscriber.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Deletebudget (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DeleteBudget: <p>Deletes a budget. You can delete your budget at any time.</p> <important> <p>Deleting a budget also deletes the notifications and subscribers that are associated with that budget.</p> </important>

🔧 #X-Amz-Target=Awsbudgetservicegateway.Deletebudgetaction (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DeleteBudgetAction: Deletes a budget action.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Deletenotification (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DeleteNotification: <p>Deletes a notification.</p> <important> <p>Deleting a notification also deletes the subscribers that are associated with the notification.</p> </important>

🔧 #X-Amz-Target=Awsbudgetservicegateway.Deletesubscriber (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DeleteSubscriber: <p>Deletes a subscriber.</p> <important> <p>Deleting the last subscriber to a notification also deletes the notification.</p> </important>

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudget (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudget: <p>Describes a budget.</p> <important> <p>The Request Syntax section shows the <code>BudgetLimit</code> syntax. For <code>PlannedBudgetLimits</code>, see the <a href="https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_budgets_DescribeBudget.html#API_DescribeBudget_Examples">Examples</a> section. </p> </important>

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudgetaction (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudgetAction: Describes a budget action detail.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudgetactionhistories (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudgetActionHistories: Describes a budget action history detail.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudgetactionsforaccount (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudgetActionsForAccount: Describes all of the budget actions for an account.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudgetactionsforbudget (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudgetActionsForBudget: Describes all of the budget actions for a budget.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudgetnotificationsforaccount (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudgetNotificationsForAccount: Lists the budget names and notifications that are associated with an account.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudgetperformancehistory (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudgetPerformanceHistory: Describes the history for <code>DAILY</code>, <code>MONTHLY</code>, and <code>QUARTERLY</code> budgets. Budget history isn't available for <code>ANNUAL</code> budgets.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describebudgets (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeBudgets: <p>Lists the budgets that are associated with an account.</p> <important> <p>The Request Syntax section shows the <code>BudgetLimit</code> syntax. For <code>PlannedBudgetLimits</code>, see the <a href="https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_budgets_DescribeBudgets.html#API_DescribeBudgets_Examples">Examples</a> section. </p> </important>

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describenotificationsforbudget (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeNotificationsForBudget: Lists the notifications that are associated with a budget.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Describesubscribersfornotification (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.DescribeSubscribersForNotification: Lists the subscribers that are associated with a notification.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Executebudgetaction (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.ExecuteBudgetAction: Executes a budget action.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Updatebudget (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.UpdateBudget: <p>Updates a budget. You can change every part of a budget except for the <code>budgetName</code> and the <code>calculatedSpend</code>. When you modify a budget, the <code>calculatedSpend</code> drops to zero until Amazon Web Services has new usage data to use for forecasting.</p> <important> <p>Only one of <code>BudgetLimit</code> or <code>PlannedBudgetLimits</code> can be present in the syntax at one time. Use the syntax that matches your case. The Request Syntax section shows the <code>BudgetLimit</code> syntax. For <code>PlannedBudgetLimits</code>, see the <a href="https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_budgets_UpdateBudget.html#API_UpdateBudget_Examples">Examples</a> section. </p> </important>

🔧 #X-Amz-Target=Awsbudgetservicegateway.Updatebudgetaction (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.UpdateBudgetAction: Updates a budget action.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Updatenotification (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.UpdateNotification: Updates a notification.

🔧 #X-Amz-Target=Awsbudgetservicegateway.Updatesubscriber (1 endpoints)

• POST /#X-Amz-Target=AWSBudgetServiceGateway.UpdateSubscriber: Updates a subscriber.

🤖 AI Integration

Parameter Handling: AI agents automatically provide values for:
• Path parameters and identifiers
• Query parameters and filters
• Request body data
• Headers and authentication

Response Format: Native AWS Budgets API responses with full data structure

Error Handling: Built-in n8n HTTP request error management

💡 Usage Examples

Connect this MCP server to any AI agent or workflow:

• Claude Desktop: Add MCP server URL to configuration
• Cursor: Add MCP server SSE URL to configuration
• Custom AI Apps: Use MCP URL as tool endpoint
• API Integration: Direct HTTP calls to MCP endpoints

✨ Benefits

• Zero Setup: No parameter mapping or configuration needed
• AI-Ready: Built-in $fromAI() expressions for all parameters
• Production Ready: Native n8n HTTP request handling and logging
• Extensible: Easily modify or add custom logic

🆓 Free for community use! Ready to deploy in under 2 minutes.