AWS Billing and Cost Management MCP Server: Setup for Claude and Cursor

• Analyzes past and forecast AWS costs

  Pulls cost and usage data from Cost Explorer: costs grouped by service, account or tag, forecasts, and the values you can filter on.

  Try: “What were my top 5 AWS services by cost last month?”

  Network · cost-explorer

• Compares costs between two months

  Compares the costs of one calendar month with another and shows what drove the change. It does not do week or quarter comparisons.

  Try: “Why did my bill go up in October compared to September?”

  Network · cost-comparison

• Shows unusual spending

  Gets cost anomalies from Cost Explorer.

  Try: “Show cost anomalies from the last 30 days.”

  Network · cost-anomaly

• Shows your AWS budgets

  Reads budget information from AWS Budgets.

  Try: “Which of my budgets are close to their limit?”

  Network · budgets

• Gets right-sizing advice

  Gets performance-based right-sizing recommendations from AWS Compute Optimizer, per region, for resources such as EC2, Lambda and EBS.

  Try: “Which EC2 instances are oversized?”

  Network · compute-optimizer

• Lists cost-saving opportunities

  Gets recommendations and efficiency metrics from Cost Optimization Hub.

  Try: “What are my biggest savings opportunities?”

  Network · cost-optimization

• Shows Savings Plans coverage and use

  Retrieves how much eligible spend Savings Plans cover and how much of the commitment is used.

  Try: “How well are my Savings Plans being used?”

  Network · sp-performance

• Gets Savings Plans purchase advice

  Retrieves Savings Plans purchase recommendations and can start recommendation generation.

  Try: “What Savings Plans should I buy?”

  Write · sp-recommendation

• Runs what-if Savings Plans analyses

  Runs a Savings Plans purchase what-if analysis, which starts an analysis in your account.

  Try: “What would happen if I bought a 1-year compute plan?”

  Write · sp-purchase-analyzer

• Shows Reserved Instance coverage and use

  Retrieves Reserved Instance coverage and utilization from Cost Explorer.

  Try: “Are my Reserved Instances fully used?”

  Network · ri-performance

• Shows Free Tier usage

  Gets Free Tier usage, account plan state or account activities.

  Try: “Am I close to my Free Tier limits?”

  Network · free-tier-usage

• Queries S3 Storage Lens metrics

  Queries S3 Storage Lens data with Athena SQL, and can create an Athena database and table to do it.

  Try: “Which S3 buckets grew the most this quarter?”

  Write · storage-lens

• Looks up AWS prices

  Looks up AWS prices in four steps: list service codes, list a service's filters, list filter values, then fetch the prices.

  Try: “What does an m5.large cost in eu-west-1?”

  Network · aws-pricing

• Works with the BCM Pricing Calculator

  Lists and reads workload estimates in the Billing and Cost Management Pricing Calculator, plus its rate preferences.

  Try: “List my pricing calculator workload estimates.”

  Network · bcm-pricing-calc

• Queries stored results with SQL

  Runs SQL on a local session database that holds large tool results. It can also load rows you pass in as a new table.

  Try: “Sort that last result by cost and show the top 10.”

  Read · session-sql

• Lists cost allocation tags

  Lists the cost allocation tags in your account.

  Try: “Which cost allocation tags are active?”

  Network · list-cost-allocation-tags

Watch out for

• Your spending data goes to your AI app

  Bills, accounts and budgets can be sensitive. Use it with an assistant you trust with that data.

• A few tools start jobs or create Athena tables

  The Storage Lens tool can create an Athena database and tables. The Savings Plans tools start analyses.

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