Brazilian bank deploys AI agent in VS Code to enforce infrastructure policy at scale

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An engineer at Latin America's largest bank built an AI-powered system to automatically audit technical debt and enforce infrastructure policies across thousands of daily deployments. The core problem was that well-written internal guidelines were routinely ignored during fast-paced sprints, simply because developers had no time to consult documentation. The solution uses an MCP (Model Context Protocol) server to give Claude, running inside GitHub Copilot in VS Code, real-time access to policy documents, databases, and APIs. Instead of requiring developers to seek out rules, the system delivers relevant guardrails directly inside the code editor at the moment a decision is being made. The setup is now used daily by thousands of developers and routes queries through a layered AWS infrastructure including Route 53, Network Firewall, API Gateway, and Lambda.

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